2 Commits

83 changed files with 357 additions and 1822 deletions
+1
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@@ -4,6 +4,7 @@
*.autosave
*.slx.r*
*.mdl.r*
*.bak
# Derived content-obscured files
*.p
+2 -4
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@@ -32,9 +32,7 @@ classdef agent
properties (SetAccess = private, GetAccess = public)
initialStepSize = NaN;
initialMaxAngleStepSize = NaN;
stepDecayRate = NaN;
angleStepDecayRate = NaN;
end
methods (Access = public)
@@ -50,8 +48,8 @@ classdef agent
obj.commsGeometry = spherical;
end
[obj] = initialize(obj, pos, pan, tilt, collisionGeometry, sensorModel, guidanceModel, comRange, index, label);
[obj] = run(obj, domain, partitioning, t, index, useDoubleIntegrator, dampingCoeff, dt, optimizeSensorPointing, otherAgents);
[partitioning, agents] = partition(obj, agents, objective)
[obj] = run(obj, domain, partitioning, t, index, agents);
[partitioning] = partition(obj, agents, objective)
[obj, f] = plot(obj, ind, f);
updatePlots(obj);
end
+2 -5
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@@ -1,4 +1,4 @@
function obj = initialize(obj, pos, collisionGeometry, sensorModel, comRange, maxIter, initialStepSize, initialMaxAngleStepSize, label, plotCommsGeometry)
function obj = initialize(obj, pos, collisionGeometry, sensorModel, comRange, maxIter, initialStepSize, label, plotCommsGeometry)
arguments (Input)
obj (1, 1) {mustBeA(obj, "agent")};
pos (1, 3) double;
@@ -7,7 +7,6 @@ function obj = initialize(obj, pos, collisionGeometry, sensorModel, comRange, ma
comRange (1, 1) double;
maxIter (1, 1) double;
initialStepSize (1, 1) double = 0.2;
initialMaxAngleStepSize (1, 1) double = 5.0;
label (1, 1) string = "";
plotCommsGeometry (1, 1) logical = false;
end
@@ -24,9 +23,7 @@ function obj = initialize(obj, pos, collisionGeometry, sensorModel, comRange, ma
obj.label = label;
obj.plotCommsGeometry = plotCommsGeometry;
obj.initialStepSize = initialStepSize;
obj.initialMaxAngleStepSize = initialMaxAngleStepSize;
obj.stepDecayRate = obj.initialStepSize / maxIter;
obj.angleStepDecayRate = obj.initialMaxAngleStepSize / maxIter;
% Initialize performance vector
if coder.target('MATLAB')
@@ -38,5 +35,5 @@ function obj = initialize(obj, pos, collisionGeometry, sensorModel, comRange, ma
% Initialize FOV cone
obj.fovGeometry = cone;
obj.fovGeometry = obj.fovGeometry.initialize([obj.pos(1:3)], tand(obj.sensorModel.halfAngle()) * obj.pos(3), obj.pos(3), REGION_TYPE.FOV, sprintf("%s FOV", obj.label), obj.sensorModel.tilt, obj.sensorModel.azimuth);
obj.fovGeometry = obj.fovGeometry.initialize([obj.pos(1:3)], tand(obj.sensorModel.alphaTilt) * obj.pos(3), obj.pos(3), REGION_TYPE.FOV, sprintf("%s FOV", obj.label));
end
+3 -18
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@@ -1,4 +1,4 @@
function [partitioning, agents] = partition(obj, agents, objective)
function [partitioning] = partition(obj, agents, objective)
arguments (Input)
obj (1, 1) {mustBeA(obj, "agent")};
agents (:, 1) {mustBeA(agents, "cell")};
@@ -6,7 +6,6 @@ function [partitioning, agents] = partition(obj, agents, objective)
end
arguments (Output)
partitioning (:, :) double;
agents (:, 1) cell;
end
nAgents = size(agents, 1);
@@ -19,22 +18,8 @@ function [partitioning, agents] = partition(obj, agents, objective)
% minimum threshold that must be exceeded for any assignment.
agentPerf = zeros(nPoints, nAgents + 1);
for aa = 1:nAgents
if isa(agents{aa}.sensorModel, "sigmoidSensor")
p = agents{aa}.sensorModel.sensorPerformance(agents{aa}.pos, ...
[objective.X(:), objective.Y(:), zeros(nPoints, 1)]);
elseif isa(agents{aa}.sensorModel, "rfSensor")
otherSensorsIdx = [1:(aa - 1), (aa + 1):size(agents, 1)];
otherSensors = agents(otherSensorsIdx);
otherSensorsPos = cell2mat(cellfun(@(x) x.pos, otherSensors, "UniformOutput", false));
otherSensors = cellfun(@(x) x.sensorModel, otherSensors, "UniformOutput", false);
[p, ~, agents{aa}.sensorModel, otherSensors] = agents{aa}.sensorModel.sensorPerformance(agents{aa}.pos, ...
[objective.X(:), objective.Y(:), zeros(nPoints, 1)], otherSensorsPos, otherSensors);
for k = 1:numel(otherSensorsIdx)
agents{otherSensorsIdx(k)}.sensorModel = otherSensors{k};
end
else
error("?");
end
p = agents{aa}.sensorModel.sensorPerformance(agents{aa}.pos, ...
[objective.X(:), objective.Y(:), zeros(nPoints, 1)]);
agentPerf(:, aa) = p(:);
end
agentPerf(:, nAgents + 1) = objective.sensorPerformanceMinimum;
+33 -80
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@@ -1,15 +1,14 @@
function obj = run(obj, domain, partitioning, timestepIndex, index, useDoubleIntegrator, dampingCoeff, dt, optimizeSensorPointing, otherAgents)
function obj = run(obj, domain, partitioning, timestepIndex, index, agents, useDoubleIntegrator, dampingCoeff, dt)
arguments (Input)
obj (1, 1) {mustBeA(obj, "agent")};
domain (1, 1) {mustBeGeometry};
partitioning (:, :) double;
timestepIndex (1, 1) double;
index (1, 1) double;
agents (:, 1) {mustBeA(agents, "cell")};
useDoubleIntegrator (1, 1) logical = false;
dampingCoeff (1, 1) double = 2.0;
dt (1, 1) double = 1.0;
optimizeSensorPointing (1, 1) logical = false;
otherAgents (:, 1) cell = cell();
end
arguments (Output)
obj (1, 1) {mustBeA(obj, "agent")};
@@ -34,62 +33,33 @@ function obj = run(obj, domain, partitioning, timestepIndex, index, useDoubleInt
maskedX = domain.objective.X(partitionMask);
maskedY = domain.objective.Y(partitionMask);
if isa(obj.sensorModel, "rfSensor")
% Extract other agents' sensor models and positions once, outside the delta loop.
% Mask the full-grid RSS caches (filled by partition()) down to this agent's
% partition subset so sensorPerformance can reuse them for all perturbations.
otherSensorsPos = cell2mat(cellfun(@(x) x.pos, otherAgents, "UniformOutput", false));
otherSensors = cellfun(@(x) x.sensorModel, otherAgents, "UniformOutput", false);
partitionIndices = find(partitionMask);
for kk = 1:numel(otherSensors)
if ~isempty(otherSensors{kk}.rssCache)
otherSensors{kk}.rssCache = otherSensors{kk}.rssCache(partitionIndices);
end
end
% Pre-mask this agent's own full-grid cache to the partition subset.
% Used for ii==1 (current position, no perturbation) to avoid recomputing.
baseSensorModel = obj.sensorModel;
if ~isempty(obj.sensorModel.rssCache)
baseSensorModel.rssCache = obj.sensorModel.rssCache(partitionIndices);
end
end
if optimizeSensorPointing
% Stash actual current sensor model tilt/azimuth before messing with it
% in these following hypotheticals
tilt = obj.sensorModel.tilt;
azimuth = obj.sensorModel.azimuth;
end
% Compute agent performance at the current position and each delta position +/- X, Y, Z, tilt, azimuth
deltaPos = domain.objective.discretizationStep; % smallest possible step size that gets different results
if optimizeSensorPointing
deltaAngle = atan2d(domain.objective.discretizationStep, obj.pos(3)); % smallest possible angle derived from smallest possible step size and current height
end
deltaApplicator = [0, 0, 0, 0, 0; 1, 0, 0, 0, 0; -1, 0, 0, 0, 0; 0, 1, 0, 0, 0; 0, -1, 0, 0, 0; 0, 0, 1, 0, 0; 0, 0, -1, 0, 0; 0, 0, 0, 1, 0; 0, 0, 0, -1, 0; 0, 0, 0, 0, 1; 0, 0, 0, 0, -1;]; % none, +X, -X, +Y, -Y, +Z, -Z, +tilt, -tilt, +azimuth, -azimuth
C_delta = NaN(size(deltaApplicator, 1), 1); % agent performance at delta steps in each direction
for ii = 1:size(deltaApplicator, 1)
if ~optimizeSensorPointing && ii > 7; break; end
% Compute agent performance at the current position and each delta position +/- X, Y, Z
delta = domain.objective.discretizationStep; % smallest possible step size that gets different results
deltaApplicator = [0, 0, 0; 1, 0, 0; -1, 0, 0; 0, 1, 0; 0, -1, 0; 0, 0, 1; 0, 0, -1]; % none, +X, -X, +Y, -Y, +Z, -Z
C_delta = NaN(7, 1); % agent performance at delta steps in each direction
for ii = 1:7
% Apply delta to position
pos = obj.pos + deltaPos * deltaApplicator(ii, 1:3);
if optimizeSensorPointing
% Apply delta to tilt and azimuth
obj.sensorModel.tilt = tilt + deltaAngle * deltaApplicator(ii, 4);
obj.sensorModel.azimuth = azimuth + deltaAngle * deltaApplicator(ii, 5);
end
pos = obj.pos + delta * deltaApplicator(ii, 1:3);
% Compute performance values on partition
if isa(obj.sensorModel, "sigmoidSensor")
if ii < 6
% Compute sensing performance
sensorValues = obj.sensorModel.sensorPerformance(pos, [maskedX, maskedY, zeros(size(maskedX))]); % S_n(omega, P_n) on W_n
elseif isa(obj.sensorModel, "rfSensor")
if ii == 1
sensorModelForDelta = baseSensorModel; % reuse partition-step cache; no recompute needed
else
sensorModelForDelta = obj.sensorModel.clearRssCache;
end
[sensorValues, ~, ~, ~] = sensorModelForDelta.sensorPerformance(pos, [maskedX, maskedY, zeros(size(maskedX))], otherSensorsPos, otherSensors);
% Objective performance does not change for 0, +/- X, +/- Y steps.
% Those values are computed once before the loop and are only
% recomputed when +/- Z steps are applied
else
error("?");
% Redo partitioning for Z stepping only
partitioning = obj.partition(agents, domain.objective);
% Recompute partiton-derived performance values for objective
partitionMask = partitioning == index;
objectiveValues = domain.objective.values(partitionMask); % f(omega) on W_n
% Recompute partiton-derived performance values for sensing
maskedX = domain.objective.X(partitionMask);
maskedY = domain.objective.Y(partitionMask);
sensorValues = obj.sensorModel.sensorPerformance(pos, [maskedX, maskedY, zeros(size(maskedX))]); % S_n(omega, P_n) on W_n
end
% Rearrange data into image arrays
@@ -103,54 +73,37 @@ function obj = run(obj, domain, partitioning, timestepIndex, index, useDoubleInt
C_delta(ii) = sum(C(~isnan(C)));
end
if optimizeSensorPointing
% Reset sensor model to actual tilt and azimuth angles
obj.sensorModel.tilt = tilt;
obj.sensorModel.azimuth = azimuth;
end
% Store agent performance at current time and place
if coder.target('MATLAB')
obj.performance(timestepIndex + 1) = C_delta(1);
end
% Compute gradient by finite central differences
gradC = [(C_delta(2)-C_delta(3))/(2*deltaPos), (C_delta(4)-C_delta(5))/(2*deltaPos), (C_delta(6)-C_delta(7))/(2*deltaPos)];
if optimizeSensorPointing
gradC(4) = (C_delta(8) -C_delta(9)) /(2*deltaAngle);
gradC(5) = (C_delta(10)-C_delta(11))/(2*deltaAngle);
end
gradC = [(C_delta(2)-C_delta(3))/(2*delta), (C_delta(4)-C_delta(5))/(2*delta), (C_delta(6)-C_delta(7))/(2*delta)];
% Compute scaling factor
targetPosRate = obj.initialStepSize - obj.stepDecayRate * timestepIndex; % slow down as you get closer
gradPosNorm = norm(gradC(1:3));
targetRate = obj.initialStepSize - obj.stepDecayRate * timestepIndex; % slow down as you get closer
gradNorm = norm(gradC);
% Compute unconstrained next state
if useDoubleIntegrator
% Double-integrator: gradient produces desired acceleration with damping
if gradPosNorm < 1e-100
a_gradient = zeros(1, 5);
if gradNorm < 1e-100
a_gradient = zeros(1, 3);
else
% Scale so steady-state step targetRate (matching SI behavior)
a_gradient = (targetPosRate * dampingCoeff / (gradPosNorm * dt)) * gradC;
a_gradient = (targetRate * dampingCoeff / (gradNorm * dt)) * gradC;
end
% Semi-implicit Euler: unconditionally stable for any dampingCoeff and dt
obj.vel = (obj.vel + a_gradient(1:3) * dt) / (1 + dampingCoeff * dt);
obj.vel = (obj.vel + a_gradient * dt) / (1 + dampingCoeff * dt);
obj.pos = obj.lastPos + obj.vel * dt;
else
% Single-integrator: gradient directly sets position step
if gradPosNorm >= 1e-100
obj.pos = obj.pos + (targetPosRate / gradPosNorm) * gradC(1:3);
if gradNorm >= 1e-100
obj.pos = obj.pos + (targetRate / gradNorm) * gradC;
end
end
% Update tilt and azimuth, saturating at the decaying maximum allowed step size
if optimizeSensorPointing
maxAngleStep = obj.initialMaxAngleStepSize - obj.angleStepDecayRate * timestepIndex;
obj.sensorModel.tilt = obj.sensorModel.tilt + sign(gradC(4)) * min(abs(gradC(4)), maxAngleStep);
obj.sensorModel.azimuth = obj.sensorModel.azimuth + sign(gradC(5)) * min(abs(gradC(5)), maxAngleStep);
end
% Reinitialize collision geometry in the new position
d = obj.pos - obj.collisionGeometry.center;
if isa(obj.collisionGeometry, "rectangularPrism")
+29 -52
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@@ -7,68 +7,45 @@ function updatePlots(obj)
% Find change in agent position since last timestep
deltaPos = obj.pos - obj.lastPos;
posChanged = ~(all(isnan(deltaPos)) || all(deltaPos == zeros(1, 3)));
orientChanged = obj.sensorModel.tilt ~= obj.fovGeometry.tilt || ...
obj.sensorModel.azimuth ~= obj.fovGeometry.azimuth;
if ~posChanged && ~orientChanged
if all(isnan(deltaPos)) || all(deltaPos == zeros(1, 3))
% Agent did not move, so nothing has to move on the plots
return;
end
if posChanged
% Scatterplot point positions
for ii = 1:size(obj.scatterPoints, 1)
obj.scatterPoints(ii).XData = obj.pos(1);
obj.scatterPoints(ii).YData = obj.pos(2);
obj.scatterPoints(ii).ZData = obj.pos(3);
end
% Scatterplot point positions
for ii = 1:size(obj.scatterPoints, 1)
obj.scatterPoints(ii).XData = obj.pos(1);
obj.scatterPoints(ii).YData = obj.pos(2);
obj.scatterPoints(ii).ZData = obj.pos(3);
end
% Collision geometry edges
for jj = 1:size(obj.collisionGeometry.lines, 2)
% Collision geometry edges
for jj = 1:size(obj.collisionGeometry.lines, 2)
% Update plotting
for ii = 1:size(obj.collisionGeometry.lines(:, jj), 1)
obj.collisionGeometry.lines(ii, jj).XData = obj.collisionGeometry.lines(ii, jj).XData + deltaPos(1);
obj.collisionGeometry.lines(ii, jj).YData = obj.collisionGeometry.lines(ii, jj).YData + deltaPos(2);
obj.collisionGeometry.lines(ii, jj).ZData = obj.collisionGeometry.lines(ii, jj).ZData + deltaPos(3);
end
end
% Communications geometry edges
if obj.plotCommsGeometry
for jj = 1:size(obj.commsGeometry.lines, 2)
for ii = 1:size(obj.collisionGeometry.lines(:, jj), 1)
obj.collisionGeometry.lines(ii, jj).XData = obj.collisionGeometry.lines(ii, jj).XData + deltaPos(1);
obj.collisionGeometry.lines(ii, jj).YData = obj.collisionGeometry.lines(ii, jj).YData + deltaPos(2);
obj.collisionGeometry.lines(ii, jj).ZData = obj.collisionGeometry.lines(ii, jj).ZData + deltaPos(3);
end
end
% Communications geometry edges
if obj.plotCommsGeometry
for jj = 1:size(obj.commsGeometry.lines, 2)
for ii = 1:size(obj.collisionGeometry.lines(:, jj), 1)
obj.collisionGeometry.lines(ii, jj).XData = obj.collisionGeometry.lines(ii, jj).XData + deltaPos(1);
obj.collisionGeometry.lines(ii, jj).YData = obj.collisionGeometry.lines(ii, jj).YData + deltaPos(2);
obj.collisionGeometry.lines(ii, jj).ZData = obj.collisionGeometry.lines(ii, jj).ZData + deltaPos(3);
end
end
end
end
% FOV cone: recompute full mesh whenever position or orientation changes
if ~isempty(obj.fovGeometry.surface)
% Sync fovGeometry state to current agent position and sensor orientation
obj.fovGeometry = obj.fovGeometry.initialize( ...
obj.pos, obj.fovGeometry.radius, obj.fovGeometry.height, ...
obj.fovGeometry.tag, obj.fovGeometry.label, ...
obj.sensorModel.tilt, obj.sensorModel.azimuth);
% Recompute cone mesh (mirrors cone.plot logic)
maxAlt = obj.fovGeometry.surface(1).Parent.ZLim(2);
scalingFactor = maxAlt / obj.fovGeometry.height;
[X, Y, Z] = cylinder([scalingFactor * obj.fovGeometry.radius, 0], obj.fovGeometry.n);
Z = Z * maxAlt;
Ry = [cosd(obj.fovGeometry.tilt), 0, -sind(obj.fovGeometry.tilt); 0, 1, 0; sind(obj.fovGeometry.tilt), 0, cosd(obj.fovGeometry.tilt)];
Rz = [sind(obj.fovGeometry.azimuth), -cosd(obj.fovGeometry.azimuth), 0; cosd(obj.fovGeometry.azimuth), sind(obj.fovGeometry.azimuth), 0; 0, 0, 1];
R = Rz * Ry;
pts = R * [X(:)'; Y(:)'; Z(:)' - maxAlt];
X = reshape(pts(1, :), size(X)) + obj.pos(1);
Y = reshape(pts(2, :), size(Y)) + obj.pos(2);
Z = reshape(pts(3, :) + maxAlt, size(Z)) + obj.pos(3) - maxAlt;
for jj = 1:size(obj.fovGeometry.surface, 2)
obj.fovGeometry.surface(jj).XData = X;
obj.fovGeometry.surface(jj).YData = Y;
obj.fovGeometry.surface(jj).ZData = Z;
end
% Update FOV geometry surfaces
for jj = 1:size(obj.fovGeometry.surface, 2)
% Update each plot
% obj.fovGeometry = obj.fovGeometry.plot(obj.spatialPlotIndices)
obj.fovGeometry.surface(jj).XData = obj.fovGeometry.surface(jj).XData + deltaPos(1);
obj.fovGeometry.surface(jj).YData = obj.fovGeometry.surface(jj).YData + deltaPos(2);
obj.fovGeometry.surface(jj).ZData = obj.fovGeometry.surface(jj).ZData + deltaPos(3);
end
end
end
+1 -3
View File
@@ -1,4 +1,4 @@
function [obj] = initialize(obj, domain, agents, barrierGain, barrierExponent, minAlt, timestep, maxIter, obstacles, makePlots, makeVideo, useDoubleIntegrator, dampingCoeff, useFixedTopology, optimizeSensorPointing)
function [obj] = initialize(obj, domain, agents, barrierGain, barrierExponent, minAlt, timestep, maxIter, obstacles, makePlots, makeVideo, useDoubleIntegrator, dampingCoeff, useFixedTopology)
arguments (Input)
obj (1, 1) {mustBeA(obj, "miSim")};
domain (1, 1) {mustBeGeometry};
@@ -14,7 +14,6 @@ function [obj] = initialize(obj, domain, agents, barrierGain, barrierExponent, m
useDoubleIntegrator (1, 1) logical = false;
dampingCoeff (1, 1) double = 2.0;
useFixedTopology (1, 1) logical = false;
optimizeSensorPointing (1, 1) logical = false;
end
arguments (Output)
obj (1, 1) {mustBeA(obj, "miSim")};
@@ -94,7 +93,6 @@ function [obj] = initialize(obj, domain, agents, barrierGain, barrierExponent, m
obj.useDoubleIntegrator = useDoubleIntegrator;
obj.dampingCoeff = dampingCoeff;
obj.useFixedTopology = useFixedTopology;
obj.optimizeSensorPointing = optimizeSensorPointing;
% Compute adjacency matrix and network topology
obj = obj.updateAdjacency();
+2 -13
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@@ -52,19 +52,8 @@ BETA_TILT_VEC = scenario.betaTilt; % 1×N
DOMAIN_MIN = scenario.domainMin; % 1×3
DOMAIN_MAX = scenario.domainMax; % 1×3
% objectivePos: 2 values per Gaussian component (1 or 2 components supported)
nObjComponents = numel(scenario.objectivePos) / 2;
assert(mod(numel(scenario.objectivePos), 2) == 0, ...
'objectivePos must have an even number of values (2 per Gaussian component)');
assert(nObjComponents >= 1 && nObjComponents <= 2, ...
'At most 2 objective Gaussian components supported; got %d', nObjComponents);
assert(numel(scenario.objectiveVar) == nObjComponents * 4, ...
'objectiveVar must have %d values for %d component(s); got %d', ...
nObjComponents * 4, nObjComponents, numel(scenario.objectiveVar));
OBJECTIVE_GROUND_POS = reshape(scenario.objectivePos, 2, nObjComponents)'; % nObj×2
OBJECTIVE_VAR = permute(reshape(scenario.objectiveVar, 2, 2, nObjComponents), [3, 1, 2]); % nObj×2×2
OBJECTIVE_GROUND_POS = scenario.objectivePos; % 1×2
OBJECTIVE_VAR = reshape(scenario.objectiveVar, 2, 2); % 2×2 covariance matrix
SENSOR_PERFORMANCE_MINIMUM = scenario.sensorPerformanceMinimum; % scalar
% Initial UAV positions: flat vector reshaped to N×3
-1
View File
@@ -20,7 +20,6 @@ classdef miSim
useDoubleIntegrator = false; % false = single-integrator, true = double-integrator dynamics
dampingCoeff = 2.0; % velocity-proportional damping for double-integrator mode
useFixedTopology = false; % false = lesser neighbor (dynamic), true = fixed initial topology
optimizeSensorPointing = false; % false = fixed sensor tilt/azimuth, true = optimize tilt/azimuth via gradient ascent
artifactName = "";
f; % main plotting tiled layout figure
fPerf; % performance plot figure
+6 -18
View File
@@ -10,13 +10,11 @@ function [obj] = run(obj)
% Start video writer
if obj.makeVideo
v = obj.setupVideoWriter();
drawnow;
v.open();
% Capture reference frame size; used to resize frames that deviate
% due to figure reflow during plot updates (e.g. in headless mode).
I_ref = getframe(obj.f);
v.writeVideo(I_ref);
videoFrameSize = [size(I_ref.cdata, 2), size(I_ref.cdata, 1)];
% Write initialization state frame in to video
I = getframe(obj.f);
v.writeVideo(I);
end
end
@@ -31,16 +29,9 @@ function [obj] = run(obj)
obj.validate();
end
% Clear RF sensor caches
if isa(obj.agents{1}.sensorModel, "rfSensor")
for ss = 1:size(obj.agents, 1)
obj.agents{ss}.sensorModel = obj.agents{ss}.sensorModel.clearRssCache;
end
end
% Update partitioning before moving (this one is strictly for
% plotting purposes, the real partitioning is done by the agents)
[obj.partitioning, obj.agents] = obj.agents{1}.partition(obj.agents, obj.domain.objective);
obj.partitioning = obj.agents{1}.partition(obj.agents, obj.domain.objective);
% Determine desired communications links
if ~obj.useFixedTopology
@@ -55,7 +46,7 @@ function [obj] = run(obj)
% Moving
% Iterate over agents to simulate their unconstrained motion
for jj = 1:size(obj.agents, 1)
obj.agents{jj} = obj.agents{jj}.run(obj.domain, obj.partitioning, obj.timestepIndex, jj, obj.useDoubleIntegrator, obj.dampingCoeff, obj.timestep, obj.optimizeSensorPointing, obj.agents([1:(jj - 1), (jj + 1):size(obj.agents, 1)]));
obj.agents{jj} = obj.agents{jj}.run(obj.domain, obj.partitioning, obj.timestepIndex, jj, obj.agents, obj.useDoubleIntegrator, obj.dampingCoeff, obj.timestep);
end
% Adjust motion determined by unconstrained gradient ascent using
@@ -79,9 +70,6 @@ function [obj] = run(obj)
% Write frame in to video
if obj.makeVideo
I = getframe(obj.f);
if size(I.cdata, 2) ~= videoFrameSize(1) || size(I.cdata, 1) ~= videoFrameSize(2)
I.cdata = imresize(I.cdata, [videoFrameSize(2), videoFrameSize(1)]);
end
v.writeVideo(I);
end
end
+5 -36
View File
@@ -13,39 +13,10 @@ function writeInits(obj)
% Collect agent parameters
collisionRadii = cellfun(@(x) x.collisionGeometry.radius, obj.agents);
if isprop(obj.agents{1}.sensorModel, "alphaDist")
% sigmoidSensor parameters
alphaDist = cellfun(@(x) x.sensorModel.alphaDist, obj.agents);
betaDist = cellfun(@(x) x.sensorModel.betaDist, obj.agents);
alphaTilt = cellfun(@(x) x.sensorModel.alphaTilt, obj.agents);
betaTilt = cellfun(@(x) x.sensorModel.betaTilt, obj.agents);
% others to zero
lossExponent = zeros(size(obj.agents));
P_TX = zeros(size(obj.agents));
BW = zeros(size(obj.agents));
f_c = zeros(size(obj.agents));
G_RX_dBi = zeros(size(obj.agents));
beamwidthExponent = zeros(size(obj.agents));
elseif isprop(obj.agents{1}.sensorModel, "P_TX")
% rfSensor parameters
lossExponent = cellfun(@(x) x.sensorModel.lossExponent, obj.agents);
P_TX = cellfun(@(x) x.sensorModel.P_TX, obj.agents);
BW = cellfun(@(x) x.sensorModel.BW, obj.agents);
f_c = cellfun(@(x) x.sensorModel.f_c, obj.agents);
G_RX_dBi = cellfun(@(x) x.sensorModel.G_RX_dBi, obj.agents);
beamwidthExponent = cellfun(@(x) x.sensorModel.beamwidthExponent, obj.agents);
% others to zero
alphaDist = zeros(size(obj.agents));
betaDist = zeros(size(obj.agents));
alphaTilt = zeros(size(obj.agents));
betaTilt = zeros(size(obj.agents));
end
% joint parameters
tilt = cellfun(@(x) x.sensorModel.tilt, obj.agents);
azimuth = cellfun(@(x) x.sensorModel.azimuth, obj.agents);
alphaDist = cellfun(@(x) x.sensorModel.alphaDist, obj.agents);
betaDist = cellfun(@(x) x.sensorModel.betaDist, obj.agents);
alphaTilt = cellfun(@(x) x.sensorModel.alphaTilt, obj.agents);
betaTilt = cellfun(@(x) x.sensorModel.betaTilt, obj.agents);
comRanges = cellfun(@(x) x.commsGeometry.radius, obj.agents);
initialStepSize = cellfun(@(x) x.initialStepSize, obj.agents);
pos = cell2mat(cellfun(@(x) x.pos, obj.agents, 'UniformOutput', false));
@@ -59,9 +30,7 @@ function writeInits(obj)
"barrierGain", obj.barrierGain, "barrierExponent", obj.barrierExponent, "numObstacles", numInputObs, ...
"numAgents", size(obj.agents, 1), "collisionRadius", collisionRadii, "comRange", comRanges, ...
"useDoubleIntegrator", obj.useDoubleIntegrator, "dampingCoeff", obj.dampingCoeff, "useFixedTopology", obj.useFixedTopology, ...
"tilt", tilt, "azimuth", azimuth, ... % joint sensor parameters
"alphaDist", alphaDist, "betaDist", betaDist, "alphaTilt", alphaTilt, "betaTilt", betaTilt, ... % sigmoid sensor parameters
"lossExponent", lossExponent, "P_TX", P_TX, "BW", BW, "f_c", f_c, "G_RX_dBi", G_RX_dBi, "beamwidthExponent", beamwidthExponent, ... % RF sensor parameters
"alphaDist", alphaDist, "betaDist", betaDist, "alphaTilt", alphaTilt, "betaTilt", betaTilt, ...
... % ^^^ PARAMETERS ^^^ | vvv STATES vvv
"pos", pos, "objectivePos", obj.domain.objective.groundPos, "objectiveSigma", obj.domain.objective.objectiveSigma, ...
"domainMin", obj.domain.minCorner, "domainMax", obj.domain.maxCorner, ...
-24
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@@ -1,24 +0,0 @@
function value = RSS(obj, d, dx, dy, dz)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
d (:, 1) double;
dx (:, 1) double;
dy (:, 1) double;
dz (:, 1) double;
end
arguments (Output)
value (:, 1) double
end
% Boresight unit vector: [st*sa, st*ca, -ct]
% Target direction unit vector: [dx, dy, dz] / d
% cos_theta = dot product of the two, computed without per-point trig.
st = sind(obj.tilt);
ct = cosd(obj.tilt);
sa = sind(obj.azimuth);
ca = cosd(obj.azimuth);
cos_theta = (st .* (dx .* sa + dy .* ca) - ct .* dz) ./ max(d, eps);
cos_theta = max(-1, min(1, cos_theta));
theta = acosd(cos_theta);
gain = 10 .* obj.beamwidthExponent .* log10((1 + cosd(theta)) ./ 2);
value = obj.P_TX_dBm + gain + obj.G_RX_dBi - obj.pathLoss(d);
end
-11
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@@ -1,11 +0,0 @@
function obj = clearRssCache(obj)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
end
arguments (Output)
obj (1, 1) {mustBeA(obj, "rfSensor")};
end
obj.rssCache = double.empty(0, 1);
end
-6
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@@ -1,6 +0,0 @@
function [d, dx, dy, dz] = computePointToPoints(~, agentPos, targetPos)
dx = targetPos(:,1) - agentPos(1);
dy = targetPos(:,2) - agentPos(2);
dz = targetPos(:,3) - agentPos(3);
d = sqrt(dx.^2 + dy.^2 + dz.^2);
end
-23
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@@ -1,23 +0,0 @@
function value = halfAngle(obj)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
end
arguments (Output)
value (1, 1) double;
end
% Sweep angular offset from boresight by evaluating transmitterGain at
% (obj.tilt + dtheta, obj.azimuth). The cosine difference identity guarantees
% the resulting angular offset from boresight equals dtheta exactly,
% independent of the actual pointing direction.
dtheta = (0:0.1:179.9)';
gain = obj.transmitterGain(obj.tilt + dtheta, obj.azimuth * ones(size(dtheta)));
target = gain(1) - 3;
idx = find(gain <= target, 1);
if isempty(idx) || idx == 1
value = dtheta(end);
return;
end
% Linear interpolation between bracketing samples
value = dtheta(idx-1) + (target - gain(idx-1)) * ...
(dtheta(idx) - dtheta(idx-1)) / (gain(idx) - gain(idx-1));
end
-32
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@@ -1,32 +0,0 @@
function obj = initialize(obj, txPower, bandwidth, centerFreq, rxGain_dBi, beamwidthExponent, tilt, azimuth, lossExponent)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")}
txPower (1, 1) double;
bandwidth (1, 1) double;
centerFreq (1, 1) double;
rxGain_dBi (1, 1) double;
beamwidthExponent (1, 1) double;
tilt (1, 1) double = 0;
azimuth (1, 1) double = 0;
lossExponent (1, 1) double = NaN;
end
arguments (Output)
obj (1, 1) {mustBeA(obj, "rfSensor")}
end
%% Provided values
obj.P_TX = txPower; % Transmit power (W)
obj.BW = bandwidth; % Bandwidth (Hz)
obj.f_c = centerFreq; % Center frequency (Hz)
obj.G_RX_dBi = rxGain_dBi; % Receiving Antenna Gain (dBi)
obj.beamwidthExponent = beamwidthExponent; % Defines how focused the antenna beam is
obj.lossExponent = lossExponent;
% Define initial antenna pointing
obj.tilt = tilt;
obj.azimuth = azimuth;
%% Computed values
obj.P_TX_dBm = 10*log10(obj.P_TX/1e-3); % Transmit power in dBm
obj.N = obj.k_B * obj.T_0 * obj.BW; % Thermal noise
end
-13
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@@ -1,13 +0,0 @@
function L_FSPL_dB = pathLoss(obj, d)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
d (:, 1) double; % distance from TX to RX
end
arguments (Output)
L_FSPL_dB (:, 1) double
end
% Free Space Path Loss (dB); d clamped away from zero (log undefined at d=0)
L_FSPL_dB = obj.lossExponent * 10 * log10(max(d, eps)) + 20 * log10(obj.f_c) + 20 * log10((4*pi)/obj.c);
end
-125
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@@ -1,125 +0,0 @@
function f = plot(obj, altitude, otherSensorsPos, otherSensors)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
altitude (1, 1) double;
otherSensorsPos (:, 3) double = NaN(0, 3);
otherSensors (:, 1) cell = cell(0, 1);
end
arguments (Output)
f (1, 1) {mustBeA(f, "matlab.ui.Figure")};
end
% Clear local caches so this visualization always uses its own grid
obj.rssCache = [];
for ii = 1:numel(otherSensors)
otherSensors{ii}.rssCache = [];
end
% bias other sensors altitudes appropriately
otherSensorsPos = otherSensorsPos + [0, 0, altitude];
% Create grid on which to evalute SINR, SNR
agentPos = [0, 0, altitude];
d = 10;
if ~isempty(otherSensorsPos)
d = max(otherSensorsPos(:, 3) * 0.55);
d = max(d, max(vecnorm(otherSensorsPos(:, 1:2), 2, 2)) * 1.25);
end
c = 0.1;
d = ceil(d / c) * c;
distances = -d:c:d;
[targetPosX, targetPosY] = meshgrid(distances, distances);
% Compute SINR, SNR
[SINR, ~] = obj.sensorPerformance(agentPos, [targetPosX(:), targetPosY(:), zeros(size(targetPosX(:)))], otherSensorsPos, otherSensors);
SINR = reshape(SINR, size(targetPosX));
% normalize in linear scale
% SINR = 10.^(SINR/10); SINR = SINR ./ max(SINR(:)); SINR = 10 * log10(SINR);
% Collect sensor positions and boresight parameters for overlay
sensorTilts = [obj.tilt; cellfun(@(s) s.tilt, otherSensors)];
sensorAzimuths = [obj.azimuth; cellfun(@(s) s.azimuth, otherSensors)];
tailScale = 0.5 * d;
f = figure;
surf(targetPosX, targetPosY, zeros(size(targetPosX)), SINR, "EdgeColor", "none");
axis(f.Children(1), "image");
colormap(f.Children(1), "hot");
title("Ground User SINR and -3 dB antenna gain regions");
subtitle(sprintf("%d interfering source(s)", size(otherSensorsPos, 1)));
c = colorbar;
ylabel(c, "SINR (dB)");
xlabel("X (m)");
ylabel("Y (m)");
hold(f.Children(2), "on");
scatter3(0, 0, altitude, 100, 'ko', "LineWidth", 2);
scatter3(otherSensorsPos(:, 1), otherSensorsPos(:, 2), otherSensorsPos(:, 3), 100, "bx", "LineWidth", 2);
qSelf = quiver3(0, 0, altitude, ...
tailScale * sind(obj.tilt) * sind(obj.azimuth), ...
tailScale * sind(obj.tilt) * cosd(obj.azimuth), ...
-tailScale * cosd(obj.tilt), ...
0, 'k', 'LineWidth', 1.5);
qSelf.MaxHeadSize = 0.75;
if ~isempty(otherSensors)
qOthers = quiver3(otherSensorsPos(:,1), otherSensorsPos(:,2), otherSensorsPos(:,3), ...
tailScale .* sind(sensorTilts(2:end)) .* sind(sensorAzimuths(2:end)), ...
tailScale .* sind(sensorTilts(2:end)) .* cosd(sensorAzimuths(2:end)), ...
-tailScale .* cosd(sensorTilts(2:end)), ...
0, 'b', 'LineWidth', 1.5);
qOthers.MaxHeadSize = 0.75;
end
% Draw half-angle cones co-boresighted with each quiver arrow
N = 48;
phi = linspace(0, 2*pi, N);
[PHI, S] = meshgrid(phi, [0; 1]); % row 1 = apex (s=0), row 2 = base (s=1)
allSensors = [{obj}; otherSensors];
allPos = [[0, 0, altitude]; otherSensorsPos];
for ii = 1:numel(allSensors)
ha = allSensors{ii}.halfAngle();
tlt = sensorTilts(ii);
az = sensorAzimuths(ii);
pos = allPos(ii, :);
% Cone length: enough that the axis tip is guaranteed below z=0
coneLength = 1.1 * pos(3) / max(cosd(tlt), 0.1);
% Nadir cone mesh: apex at origin, base at z = -coneLength
cX = S .* coneLength .* tand(ha) .* cos(PHI);
cY = S .* coneLength .* tand(ha) .* sin(PHI);
cZ = -S .* coneLength;
% Rotate nadir boresight (same convention as quiver arrows)
Ry = [cosd(tlt), 0, -sind(tlt); 0, 1, 0; sind(tlt), 0, cosd(tlt)];
Rz = [sind(az), -cosd(az), 0; cosd(az), sind(az), 0; 0, 0, 1];
R = Rz * Ry;
pts = R * [cX(:)'; cY(:)'; cZ(:)'];
cX = reshape(pts(1,:), size(cX)) + pos(1);
cY = reshape(pts(2,:), size(cY)) + pos(2);
cZ = reshape(pts(3,:), size(cZ)) + pos(3);
if ii == 1
fc = [0, 0, 0];
else
fc = [0, 0, 1];
end
surf(cX, cY, cZ, "FaceColor", fc, "FaceAlpha", 0.15, "EdgeColor", "none");
% Conic section: intersect each cone generator with z=0
b_vec = R * [0; 0; -1];
u_vec = R * [1; 0; 0];
v_vec = R * [0; 1; 0];
phi_sec = linspace(0, 2*pi, 720)';
dirs = cosd(ha) .* b_vec' + sind(ha) .* (cos(phi_sec) .* u_vec' + sin(phi_sec) .* v_vec');
t_sec = -pos(3) ./ dirs(:, 3);
t_sec(t_sec <= 0) = NaN;
sx = pos(1) + t_sec .* dirs(:, 1);
sy = pos(2) + t_sec .* dirs(:, 2);
plot3(sx, sy, zeros(size(sx)), "Color", fc, "LineWidth", 2);
end
clim(f.Children(2), [min(SINR(:)), max(SINR(:))]);
xlim(f.Children(2), [-d, d]);
ylim(f.Children(2), [-d, d]);
hold(f.Children(2), "off");
zlim([0, Inf]);
end
-52
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@@ -1,52 +0,0 @@
function f = plotParameters(obj)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
end
arguments (Output)
f (1, 1) {mustBeA(f, "matlab.ui.Figure")};
end
% Agent altitude layers and angle sample points
alt_values = 10.^[1, 2, 3, 4];
t_values = 0:2.5:87.5; % 0=nadir (center), <90=near horizon (edge)
a_values = 0:2.5:360;
[T, A] = meshgrid(t_values, a_values); % Naz x Nel
Ar = deg2rad(A);
f = figure;
hold("on");
for ii = 1:numel(alt_values)
alt = alt_values(ii);
% For agent at altitude alt, ground target at tilt T has slant distance:
D = alt ./ cosd(T);
% Compute RSS for each (d, t, a) triple
rss = obj.RSS(D(:), T(:), A(:));
Fslice = reshape(rss, size(D));
% Disc geometry: t=0 (nadir) -> center, t~90 (horizon) -> edge
r = log10(alt) .* T ./ 90;
X = r .* cos(Ar);
Y = r .* sin(Ar);
Z = log10(alt) * ones(size(X));
hs = surf(X, Y, Z, Fslice);
hs.EdgeColor = 'none';
hs.FaceColor = 'interp';
hs.FaceAlpha = 0.25;
end
colormap(turbo);
c = colorbar; c.Label.String = "Received Signal Strength (dB)";
daspect([1 1 0.2]);
xlabel('X (log_{10} units)'); ylabel('Y (log_{10} units)'); zlabel('log_{10} Altitude (m)');
set(gca, 'ZDir', 'reverse');
view(3);
axis("vis3d");
grid("on");
scatter3(0, 0, 0, 'rx');
hold("off");
end
-91
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@@ -1,91 +0,0 @@
function f = plotPerformance(obj, altitude, otherSensorsPos, otherSensors)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
altitude (1, 1) double;
otherSensorsPos (:, 3) double = NaN(0, 3);
otherSensors (:, 1) cell = cell(0, 1);
end
arguments (Output)
f (1, 1) {mustBeA(f, "matlab.ui.Figure")};
end
% Clear local caches so this visualization always uses its own grid
obj.rssCache = [];
for ii = 1:numel(otherSensors)
otherSensors{ii}.rssCache = [];
end
% bias other sensors altitudes appropriately
otherSensorsPos = otherSensorsPos + [0, 0, altitude];
% Create grid on which to evalute SINR, SNR
agentPos = [0, 0, altitude];
d = 10;
if ~isempty(otherSensorsPos)
d = max(d, max(vecnorm(otherSensorsPos(:, 1:2), 2, 2)) * 1.25);
end
c = 0.1;
d = ceil(d / c) * c;
distances = -d:c:d;
[targetPosX, targetPosY] = meshgrid(distances, distances);
% Compute SINR, SNR
[SINR, SNR] = obj.sensorPerformance(agentPos, [targetPosX(:), targetPosY(:), zeros(size(targetPosX(:)))], otherSensorsPos, otherSensors);
SINR = reshape(SINR, size(targetPosX));
SNR = reshape(SNR, size(targetPosX));
% normalize in linear scale
SINR = 10.^(SINR/10); SINR = SINR ./ max(SINR(:)); SINR = 10 * log10(SINR);
SNR = 10.^(SNR/10); SNR = SNR ./ max(SNR(:)); SNR = 10 * log10(SNR);
% Collect sensor positions and boresight parameters for overlay
sensorXY = [0, 0; otherSensorsPos(:, 1:2)];
sensorTilts = [obj.tilt; cellfun(@(s) s.tilt, otherSensors)];
sensorAzimuths = [obj.azimuth; cellfun(@(s) s.azimuth, otherSensors)];
tailScale = 0.5 * d;
f = figure;
tiledlayout(1, 2, TileSpacing="compact", Padding="compact");
nexttile;
imagesc(distances, distances, SNR);
axis("image"); set(gca, 'YDir', 'normal');
colorbar; xlabel("X (m)"); ylabel("Y (m)");
title("Linearly Normalized SNR (dB)");
subtitle("No interfering sources");
addSensorOverlay(gca, sensorXY(1, 1:2), sensorTilts(1, 1), sensorAzimuths(1, 1), tailScale);
nexttile;
imagesc(distances, distances, SINR);
axis("image"); set(gca, 'YDir', 'normal');
colorbar; xlabel("X (m)"); ylabel("Y (m)");
title("Linearly Normalized SINR (dB)");
subtitle(sprintf("%d interfering source(s)", size(otherSensorsPos, 1)));
addSensorOverlay(gca, sensorXY, sensorTilts, sensorAzimuths, tailScale);
end
function addSensorOverlay(ax, sensorXY, tilts, azimuths, tailScale)
% Draw a marker + boresight arrow for each sensor.
% Tail direction follows azimuth convention (0=+Y, 90=+X, clockwise).
% Tail length = tailScale * sind(tilt), so nadir (0°) has no tail and
% horizon (90°) has the full tailScale length.
hold(ax, 'on');
for ii = 1:size(sensorXY, 1)
x = sensorXY(ii, 1);
y = sensorXY(ii, 2);
if ii == 1
c = [0, 0, 0];
mk = 'o';
else
c = [0.9, 0.2, 0.2];
mk = 'x';
end
scatter(ax, x, y, 80, c, mk, LineWidth=2);
if tilts(ii) > 0
u = tailScale * sind(tilts(ii)) * sind(azimuths(ii));
v = tailScale * sind(tilts(ii)) * cosd(azimuths(ii));
quiver(ax, x, y, u, v, 0, Color=c, LineWidth=2, MaxHeadSize=1.0);
end
end
hold(ax, 'off');
end
-40
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@@ -1,40 +0,0 @@
classdef rfSensor
properties (SetAccess = private, GetAccess = public)
% Physical parameters
c = 3e8; % Speed of light (m/s)
k_B = 1.38e-23 % Boltzmann constant (W/Hz/K) for thermal noise model
T_0 = 300; % Ambient temperature (Kelvin) for thermal noise model
lossExponent = NaN; % Path loss exponent (2 for free space, up to 6 for the lossiest environments)
% Sensor parameters
P_TX = NaN; % Transmit power (Watts)
BW = NaN; % Bandwidth (Hz)
f_c = NaN; % Center frequency (Hz)
G_RX_dBi = NaN; % Receiver antenna gain
beamwidthExponent = NaN; % Antenna beamwidth exponent for cosine radiation pattern, larger exponent -> narrower beam
% Values computed at initialization
P_TX_dBm = NaN; % Transmit power (dBm)
N = NaN; % Thermal noise
% Cached state (per timestep)
end
properties (Access = public)
tilt = NaN; % Antenna boresight tilt (deg): 0=nadir, 90=horizon
azimuth = NaN; % Antenna boresight azimuth (deg): 0=+y, 90=+x, 180=-y, 270=-x
rssCache (:,1) double = double.empty(0,1); % linear-scale RSS to last ground targets grid
end
methods (Access = public)
[obj] = initialize(obj, txPower, bandwidth, centerFreq, rxGain, beamwidthExponent, tilt, azimuth); % initialize sensor, define parameters
[SINR, SNR, obj, otherSensors] = sensorPerformance(obj, agentPos, targetPos, otherSensorsPos, otherSensors); % determine sensor performance for a given single sensor and target geometry
[d, dx, dy, dz] = computePointToPoints(obj, agentPos, targetPos);
[value] = halfAngle(obj); % tilt angle (deg) at which sensor performance is halved
[f] = plotParameters(obj); % debug, plot sensor response as a function of distance and tilt angle
[f] = plotPerformance(obj, altitude, otherSensorsPos, otherSensors); % debug, plot SNR or SINR ground heatmap for a given geometry
[f] = plot(obj, altitude, otherSensorsPos, otherSensors);
obj = clearRssCache(obj);
end
methods (Access = private)
x = RSS(obj, d, dx, dy, dz); % Received signal strength (function of distance and tilt angle)
G_TX_dB = transmitterGain(obj, t, a); % Antenna gain for a given TX/RX pair
L_FSPL_dB = pathLoss(obj, d); % Free space path loss for a given TX/RX pair
end
end
-34
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@@ -1,34 +0,0 @@
function [SINR, SNR, obj, otherSensors] = sensorPerformance(obj, agentPos, targetPos, otherSensorsPos, otherSensors)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
agentPos (1, 3) double;
targetPos (:, 3) double;
otherSensorsPos (:, 3) double = [];
otherSensors (:, 1) cell = {};
end
arguments (Output)
SINR (:, 1) double;
SNR (:, 1) double;
obj (1, 1) {mustBeA(obj, "rfSensor")};
otherSensors (:, 1) cell;
end
assert(size(otherSensorsPos, 1) == size(otherSensors, 1), "Mismatch in number of other sensor positions (%d) and number of other sensors (%d) provided", size(otherSensorsPos, 1), size(otherSensors, 1));
if isempty(obj.rssCache)
[d, dx, dy, dz] = obj.computePointToPoints(agentPos, targetPos);
obj.rssCache = 1e-3 .* 10 .^ (0.1 .* obj.RSS(d, dx, dy, dz)); % dBm W
end
S = obj.rssCache;
I = zeros(size(S));
for ii = 1:size(otherSensors, 1)
if isempty(otherSensors{ii}.rssCache)
[d_o, dx_o, dy_o, dz_o] = otherSensors{ii}.computePointToPoints(otherSensorsPos(ii, 1:3), targetPos);
otherSensors{ii}.rssCache = 1e-3 .* 10 .^ (0.1 .* otherSensors{ii}.RSS(d_o, dx_o, dy_o, dz_o)); % dBm W
end
I = I + otherSensors{ii}.rssCache;
end
SINR = 10*log10(S ./ (I + obj.N));
SNR = 10*log10(S ./ obj.N);
end
-23
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@@ -1,23 +0,0 @@
function value = transmitterGain(obj, t, a)
arguments (Input)
obj (1, 1) {mustBeA(obj, "rfSensor")};
t (:, 1) double; % LOS tilt angle
a (:, 1) double; % LOS azimuth angle
end
arguments (Output)
value (:, 1) double
end
if ~isequal(size(t), size(a))
error("t and a must be the same size");
end
% Angular offset from boresight via spherical law of cosines
% Convention: t=0° nadir, t=90° horizon; a=0° +y, a=90° +x
cos_theta = sind(obj.tilt) .* sind(t) .* cosd(a - obj.azimuth) + ...
cosd(obj.tilt) .* cosd(t);
cos_theta = max(-1, min(1, cos_theta)); % clamp for numerical safety
theta = acosd(cos_theta);
% Cardioid family: peak at boresight (theta=0), null opposite (theta=180°)
value = 10 .* obj.beamwidthExponent .* log10((1 + cosd(theta)) ./ 2);
end
+6 -13
View File
@@ -11,26 +11,19 @@ function f = plot(obj, ind, f)
% Create axes if they don't already exist
f = firstPlotSetup(f);
normalized = obj.values ./ sum(obj.values, "all");
cRange = [min(normalized, [], "all"), max(normalized, [], "all")];
% Plot gradient on the "floor" of the domain
if isnan(ind)
ax = f.CurrentAxes;
hold(ax, "on");
o = surf(ax, obj.X, obj.Y, zeros(size(obj.X)), normalized, "EdgeColor", "none");
hold(f.CurrentAxes, "on");
o = surf(f.CurrentAxes, obj.X, obj.Y, zeros(size(obj.X)), obj.values ./ max(obj.values, [], "all"), "EdgeColor", "none");
o.HitTest = "off";
o.PickableParts = "none";
clim(ax, cRange);
hold(ax, "off");
hold(f.CurrentAxes, "off");
else
ax = f.Children(1).Children(ind(1));
hold(ax, "on");
o = surf(ax, obj.X, obj.Y, zeros(size(obj.X)), normalized, "EdgeColor", "none");
hold(f.Children(1).Children(ind(1)), "on");
o = surf(f.Children(1).Children(ind(1)), obj.X, obj.Y, zeros(size(obj.X)), obj.values ./ max(obj.values, [], "all"), "EdgeColor", "none");
o.HitTest = "off";
o.PickableParts = "none";
clim(ax, cRange);
hold(ax, "off");
hold(f.Children(1).Children(ind(1)), "off");
end
% Add to other perspectives
-9
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@@ -1,9 +0,0 @@
function value = halfAngle(obj)
arguments (Input)
obj (1, 1) {mustBeA(obj, "sigmoidSensor")};
end
arguments (Output)
value (1, 1) double;
end
value = obj.alphaTilt;
end
+1 -8
View File
@@ -1,24 +1,17 @@
function obj = initialize(obj, alphaDist, betaDist, alphaTilt, betaTilt, tilt, azimuth)
function obj = initialize(obj, alphaDist, betaDist, alphaTilt, betaTilt)
arguments (Input)
obj (1, 1) {mustBeA(obj, "sigmoidSensor")}
alphaDist (1, 1) double;
betaDist (1, 1) double;
alphaTilt (1, 1) double;
betaTilt (1, 1) double;
tilt (1, 1) double = 0;
azimuth (1, 1) double = 0;
end
arguments (Output)
obj (1, 1) {mustBeA(obj, "sigmoidSensor")}
end
% Sensor performance parameters
obj.alphaDist = alphaDist;
obj.betaDist = betaDist;
obj.alphaTilt = alphaTilt;
obj.betaTilt = betaTilt;
% Sensor pointing parameters
obj.tilt = tilt;
obj.azimuth = azimuth;
end
+6 -10
View File
@@ -8,20 +8,16 @@ function value = sensorPerformance(obj, agentPos, targetPos)
value (:, 1) double;
end
% Unit vectors from agent to each target
diffs = targetPos - agentPos;
d = vecnorm(diffs, 2, 2);
dirs = diffs ./ d;
% compute direct distance and distance projected onto the ground
d = vecnorm(agentPos - targetPos, 2, 2); % distance from sensor to target
x = vecnorm(agentPos(1:2) - targetPos(:, 1:2), 2, 2); % distance from sensor nadir to target nadir (i.e. distance ignoring height difference)
% Boresight unit vector: tilt=0 nadir [0,0,-1]; azimuth 0=+Y, 90=+X clockwise
boresight = [sind(obj.tilt)*sind(obj.azimuth), sind(obj.tilt)*cosd(obj.azimuth), -cosd(obj.tilt)];
% Angular offset from boresight to each target direction
angularOffset = acosd(dirs * boresight');
% compute tilt angle
tiltAngle = (180 - atan2d(x, targetPos(:, 3) - agentPos(3))); % degrees
% Membership functions
mu_d = obj.distanceMembership(d);
mu_t = obj.tiltMembership(angularOffset);
mu_t = obj.tiltMembership(tiltAngle);
value = mu_d .* mu_t; % assume pan membership is always 1
end
+5 -11
View File
@@ -6,20 +6,14 @@ classdef sigmoidSensor
alphaTilt = NaN; % degrees
betaTilt = NaN;
end
properties (Access = public)
% pointing states
tilt = 0;
azimuth = 0;
end
methods (Access = public)
[obj] = initialize(obj, alphaDist, betaDist, alphaTilt, betaTilt, tilt, azimuth); % initialize sensor, define parameters
[value] = sensorPerformance(obj, agentPos, targetPos); % determine sensor performance for a given single sensor and target geometry
[value] = halfAngle(obj); % tilt angle (deg) at which sensor performance is halved
[f] = plotParameters(obj); % debug, plot sensor response as a function of distance and tilt angle
[obj] = initialize(obj, alphaDist, betaDist, alphaTilt, betaTilt);
[value] = sensorPerformance(obj, agentPos, agentPan, agentTilt, targetPos);
[f] = plotParameters(obj);
end
methods (Access = private)
x = distanceMembership(obj, d); % used in computing distance factor of sensor performance
x = tiltMembership(obj, t); % used in computing tilt factor of sensor performance
x = distanceMembership(obj, d);
x = tiltMembership(obj, t);
end
end
+1 -1
View File
@@ -1,2 +1,2 @@
timestep, maxIter, minAlt, discretizationStep, protectedRange, initialStepSize, barrierGain, barrierExponent, collisionRadius, comRange, alphaDist, betaDist, alphaTilt, betaTilt, domainMin, domainMax, objectivePos, objectiveVar, sensorPerformanceMinimum, initialPositions, numObstacles, obstacleMin, obstacleMax, useDoubleIntegrator, dampingCoeff, useFixedTopology
1, 100, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 80.0", "0.25, 0.25", "8.0, 8.0", "0.1, 0.1", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "66.6, 66.6", "55, 35, 35, 55", 0.15, "15.0, 15.0, 50.0, 40.0, 15.0, 50.0", 1, "0.0, 35.0, 0.0", "50, 40.0, 60", 1, 2.0, 1
1, 50, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 50.0", "0.25, 1.0", "8.0, 25.0", "0.1, 0.02", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "60.0, 80.0, 45.0, 70.0", "70, 15, 15, 20, 20, 15, 15, 70", 0.15, "10.0, 10.0, 50.0, 40.0, 15.0, 45.0", 8, "0.0, 30.0, 0.0, 42.0, 30.0, 0.0, 84.0, 30.0, 0.0, 13.0, 60.0, 0.0, 55.0, 60.0, 0.0, 0.0, 90, 0.0, 42.0, 90.0, 0.0, 84.0, 90.0, 0.0", "16.0, 40.0, 100.0, 58.0, 40.0, 100.0, 100.0, 40.0, 100.0, 29.0, 70.0, 100.0, 71.0, 70.0, 100.0, 16.0, 100.0, 100.0, 58.0, 100.0, 100.0, 100.0, 100.0, 100.0", 0, 2.0, 1
1 timestep maxIter minAlt discretizationStep protectedRange initialStepSize barrierGain barrierExponent collisionRadius comRange alphaDist betaDist alphaTilt betaTilt domainMin domainMax objectivePos objectiveVar sensorPerformanceMinimum initialPositions numObstacles obstacleMin obstacleMax useDoubleIntegrator dampingCoeff useFixedTopology
2 1 100 50 35.0 0.1 2.0 6 1 1 8.0, 8.0 35.0, 35.0 80.0, 80.0 80.0, 50.0 0.25, 0.25 0.25, 1.0 8.0, 8.0 8.0, 25.0 0.1, 0.1 0.1, 0.02 0.0, 0.0, 0.0 100.0, 100.0, 100.0 66.6, 66.6 60.0, 80.0, 45.0, 70.0 55, 35, 35, 55 70, 15, 15, 20, 20, 15, 15, 70 0.15 15.0, 15.0, 50.0, 40.0, 15.0, 50.0 10.0, 10.0, 50.0, 40.0, 15.0, 45.0 1 8 0.0, 35.0, 0.0 0.0, 30.0, 0.0, 42.0, 30.0, 0.0, 84.0, 30.0, 0.0, 13.0, 60.0, 0.0, 55.0, 60.0, 0.0, 0.0, 90, 0.0, 42.0, 90.0, 0.0, 84.0, 90.0, 0.0 50, 40.0, 60 16.0, 40.0, 100.0, 58.0, 40.0, 100.0, 100.0, 40.0, 100.0, 29.0, 70.0, 100.0, 71.0, 70.0, 100.0, 16.0, 100.0, 100.0, 58.0, 100.0, 100.0, 100.0, 100.0, 100.0 1 0 2.0 1
+1 -1
View File
@@ -1,2 +1,2 @@
timestep, maxIter, minAlt, discretizationStep, protectedRange, initialStepSize, barrierGain, barrierExponent, collisionRadius, comRange, alphaDist, betaDist, alphaTilt, betaTilt, domainMin, domainMax, objectivePos, objectiveVar, sensorPerformanceMinimum, initialPositions, numObstacles, obstacleMin, obstacleMax, useDoubleIntegrator, dampingCoeff, useFixedTopology
1, 50, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 50.0", "0.25, 1.0", "8.0, 25.0", "0.1, 0.02", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "60.0, 80.0, 45.0, 70.0", "70, 15, 15, 20, 20, 15, 15, 70", 0.15, "10.0, 10.0, 50.0, 40.0, 15.0, 45.0", 8, "0.0, 30.0, 0.0, 42.0, 30.0, 0.0, 84.0, 30.0, 0.0, 13.0, 60.0, 0.0, 55.0, 60.0, 0.0, 0.0, 90, 0.0, 42.0, 90.0, 0.0, 84.0, 90.0, 0.0", "16.0, 40.0, 100.0, 58.0, 40.0, 100.0, 100.0, 40.0, 100.0, 29.0, 70.0, 100.0, 71.0, 70.0, 100.0, 16.0, 100.0, 100.0, 58.0, 100.0, 100.0, 100.0, 100.0, 100.0", 0, 2.0, 1
1, 80, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 50.0", "0.25, 1.0", "8.0, 25.0", "0.1, 0.02", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "60.0, 80.0, 45.0, 70.0", "70, 15, 15, 20, 20, 15, 15, 70", 0.15, "15.0, 15.0, 50.0, 40.0, 10.0, 45.0", 8, "0.0, 30.0, 0.0, 42.0, 30.0, 0.0, 84.0, 30.0, 0.0, 13.0, 60.0, 0.0, 55.0, 60.0, 0.0, 0.0, 90, 0.0, 42.0, 90.0, 0.0, 84.0, 90.0, 0.0", "16.0, 40.0, 100.0, 58.0, 40.0, 100.0, 100.0, 40.0, 100.0, 29.0, 70.0, 100.0, 71.0, 70.0, 100.0, 16.0, 100.0, 100.0, 58.0, 100.0, 100.0, 100.0, 100.0, 100.0", 0, 2.0, 1
1 timestep maxIter minAlt discretizationStep protectedRange initialStepSize barrierGain barrierExponent collisionRadius comRange alphaDist betaDist alphaTilt betaTilt domainMin domainMax objectivePos objectiveVar sensorPerformanceMinimum initialPositions numObstacles obstacleMin obstacleMax useDoubleIntegrator dampingCoeff useFixedTopology
2 1 50 80 35.0 0.1 2.0 6 1 1 8.0, 8.0 35.0, 35.0 80.0, 50.0 0.25, 1.0 8.0, 25.0 0.1, 0.02 0.0, 0.0, 0.0 100.0, 100.0, 100.0 60.0, 80.0, 45.0, 70.0 70, 15, 15, 20, 20, 15, 15, 70 0.15 10.0, 10.0, 50.0, 40.0, 15.0, 45.0 15.0, 15.0, 50.0, 40.0, 10.0, 45.0 8 0.0, 30.0, 0.0, 42.0, 30.0, 0.0, 84.0, 30.0, 0.0, 13.0, 60.0, 0.0, 55.0, 60.0, 0.0, 0.0, 90, 0.0, 42.0, 90.0, 0.0, 84.0, 90.0, 0.0 16.0, 40.0, 100.0, 58.0, 40.0, 100.0, 100.0, 40.0, 100.0, 29.0, 70.0, 100.0, 71.0, 70.0, 100.0, 16.0, 100.0, 100.0, 58.0, 100.0, 100.0, 100.0, 100.0, 100.0 0 2.0 1
+1 -1
View File
@@ -1,2 +1,2 @@
timestep, maxIter, minAlt, discretizationStep, protectedRange, initialStepSize, barrierGain, barrierExponent, collisionRadius, comRange, alphaDist, betaDist, alphaTilt, betaTilt, domainMin, domainMax, objectivePos, objectiveVar, sensorPerformanceMinimum, initialPositions, numObstacles, obstacleMin, obstacleMax, useDoubleIntegrator, dampingCoeff, useFixedTopology
1, 65, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 50.0", "0.25, 1.0", "8.0, 25.0", "0.1, 0.02", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "30.0, 80.0", "60, 20, 20, 30", 0.15, "65.0, 15.0, 65.0, 65.0, 15.0, 45.0", 3, "0.0, 25.0, 55.0, 40.0, 10.0, 0.0, 40.0, 45.0, 60.0", "100.0, 70.0, 60.0, 45.0, 80.0, 55.0, 100.0, 50.0, 100.0", 0, 2.0, 1
1, 125, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 50.0", "0.25, 1.0", "8.0, 25.0", "0.1, 0.02", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "30.0, 80.0", "60, 20, 20, 30", 0.15, "65.0, 15.0, 65.0, 65.0, 15.0, 45.0", 3, "0.0, 25.0, 55.0, 40.0, 10.0, 0.0, 40.0, 45.0, 60.0", "100.0, 70.0, 60.0, 45.0, 80.0, 55.0, 100.0, 50.0, 100.0", 0, 2.0, 1
1 timestep maxIter minAlt discretizationStep protectedRange initialStepSize barrierGain barrierExponent collisionRadius comRange alphaDist betaDist alphaTilt betaTilt domainMin domainMax objectivePos objectiveVar sensorPerformanceMinimum initialPositions numObstacles obstacleMin obstacleMax useDoubleIntegrator dampingCoeff useFixedTopology
2 1 65 125 35.0 0.1 2.0 6 1 1 8.0, 8.0 35.0, 35.0 80.0, 50.0 0.25, 1.0 8.0, 25.0 0.1, 0.02 0.0, 0.0, 0.0 100.0, 100.0, 100.0 30.0, 80.0 60, 20, 20, 30 0.15 65.0, 15.0, 65.0, 65.0, 15.0, 45.0 3 0.0, 25.0, 55.0, 40.0, 10.0, 0.0, 40.0, 45.0, 60.0 100.0, 70.0, 60.0, 45.0, 80.0, 55.0, 100.0, 50.0, 100.0 0 2.0 1
+1 -1
View File
@@ -1,2 +1,2 @@
timestep, maxIter, minAlt, discretizationStep, protectedRange, initialStepSize, barrierGain, barrierExponent, collisionRadius, comRange, alphaDist, betaDist, alphaTilt, betaTilt, domainMin, domainMax, objectivePos, objectiveVar, sensorPerformanceMinimum, initialPositions, numObstacles, obstacleMin, obstacleMax, useDoubleIntegrator, dampingCoeff, useFixedTopology
1, 65, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 50.0", "0.25, 1.0", "8.0, 25.0", "0.1, 0.02", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "30.0, 80.0", "60, 20, 20, 30", 0.15, "90.0, 10.0, 50.0, 65.0, 15.0, 45.0", 4, "0.0, 30.0, 0.0, 70.0, 30.0, 0.0, 0.0, 60.0, 0.0, 55.0, 60.0, 0.0", "50.0, 40.0, 100.0, 100.0, 40.0, 100.0, 35.0, 70.0, 100.0, 100.0, 70.0, 100.0", 0, 2.0, 1
1, 125, 35.0, 0.1, 2.0, 6, 1, 1, "8.0, 8.0", "35.0, 35.0", "80.0, 50.0", "0.25, 1.0", "8.0, 25.0", "0.1, 0.02", "0.0, 0.0, 0.0", "100.0, 100.0, 100.0", "30.0, 80.0", "60, 20, 20, 30", 0.15, "90.0, 10.0, 50.0, 65.0, 15.0, 45.0", 4, "0.0, 30.0, 0.0, 70.0, 30.0, 0.0, 0.0, 60.0, 0.0, 55.0, 60.0, 0.0", "50.0, 40.0, 100.0, 100.0, 40.0, 100.0, 35.0, 70.0, 100.0, 100.0, 70.0, 100.0", 0, 2.0, 1
1 timestep maxIter minAlt discretizationStep protectedRange initialStepSize barrierGain barrierExponent collisionRadius comRange alphaDist betaDist alphaTilt betaTilt domainMin domainMax objectivePos objectiveVar sensorPerformanceMinimum initialPositions numObstacles obstacleMin obstacleMax useDoubleIntegrator dampingCoeff useFixedTopology
2 1 65 125 35.0 0.1 2.0 6 1 1 8.0, 8.0 35.0, 35.0 80.0, 50.0 0.25, 1.0 8.0, 25.0 0.1, 0.02 0.0, 0.0, 0.0 100.0, 100.0, 100.0 30.0, 80.0 60, 20, 20, 30 0.15 90.0, 10.0, 50.0, 65.0, 15.0, 45.0 4 0.0, 30.0, 0.0, 70.0, 30.0, 0.0, 0.0, 60.0, 0.0, 55.0, 60.0, 0.0 50.0, 40.0, 100.0, 100.0, 40.0, 100.0, 35.0, 70.0, 100.0, 100.0, 70.0, 100.0 0 2.0 1
+105 -43
View File
@@ -7,58 +7,47 @@ coder.extrinsic('disp', 'readScenarioCsv');
% Maximum clients supported (one initial position per UAV)
MAX_CLIENTS = 4;
% Two waypoints per UAV: altitude-staggered transit + final position
MAX_TARGETS = MAX_CLIENTS * 2;
% Three waypoints per UAV: one axis-aligned move per dimension (taxicab flyout/flyback)
MAX_TARGETS = MAX_CLIENTS * 3;
% Taxicab flyout/flyback only supports exactly 2 UAVs
if numClients ~= int32(2)
error('Taxicab flyout/flyback requires exactly 2 UAVs');
end
% Allocate targets array (MAX_TARGETS x 3)
targets = zeros(MAX_TARGETS, 3);
numWaypoints = int32(0);
totalLoaded = int32(0); % pre-declare type for coder.ceval %#ok<NASGU>
% Load initial UAV positions from scenario CSV
% Experiment start positions from scenario CSV (N x 3)
scenarioPositions = zeros(MAX_CLIENTS, 3);
% Load experiment start positions from scenario CSV
if coder.target('MATLAB')
disp('Loading initial positions from scenario.csv (simulation)...');
tmpSim = miSim;
sc = tmpSim.readScenarioCsv('aerpaw/config/scenario.csv');
flatPos = double(sc.initialPositions); % 1×(3*N) flat vector
posMatrix = reshape(flatPos, 3, [])'; % N×3, same layout as initializeFromCsv
posMatrix = reshape(flatPos, 3, [])'; % N×3
totalLoaded = int32(size(posMatrix, 1));
scenarioPositions(1:totalLoaded, :) = posMatrix;
% MATLAB path: send directly to scenario positions in one waypoint
targets(1:totalLoaded, :) = posMatrix;
numWaypoints = int32(1);
disp(['Loaded ', num2str(double(totalLoaded)), ' initial positions']);
else
coder.cinclude('controller_impl.h');
filename = ['config/scenario.csv', char(0)];
% Load into targets temporarily; copy to scenarioPositions below
totalLoaded = coder.ceval('loadInitialPositions', coder.ref(filename), ...
coder.ref(targets), int32(MAX_TARGETS));
numWaypoints = totalLoaded / int32(numClients);
end
% In the compiled path, inject altitude-staggered transit waypoints so UAVs
% are vertically separated while flying horizontally to their start positions.
% ArduPilot reaches target altitude before horizontal movement, so UAV i is at
% altitude (TRANSIT_ALT_BASE + (i-1)*TRANSIT_ALT_STEP) throughout its transit,
% preventing collisions regardless of horizontal path geometry.
% TRANSIT_ALT_STEP must exceed 2 * max(collisionRadius).
% Waypoint 1: each UAV flies to (finalX, finalY) at its unique transit altitude.
% Waypoint 2: each UAV adjusts to its actual target altitude.
% These constants are also used for the altitude-staggered return before RTL.
TRANSIT_ALT_BASE = 25.0; % must match drone.takeoff() altitude in uav_runner.py
TRANSIT_ALT_STEP = 25; % vertical separation per UAV (m); must exceed 2*collisionRadius
if ~coder.target('MATLAB')
for ii = double(totalLoaded):-1:1
transitRow = (ii - 1) * 2 + 1;
finalRow = (ii - 1) * 2 + 2;
finalPos = targets(ii, :);
transitAlt = TRANSIT_ALT_BASE + (ii - 1) * TRANSIT_ALT_STEP;
targets(finalRow, :) = finalPos;
targets(transitRow, :) = [finalPos(1), finalPos(2), transitAlt];
end
numWaypoints = int32(2);
scenarioPositions(1:totalLoaded, :) = targets(1:totalLoaded, :);
numWaypoints = int32(3);
end
% Load guidance scenario from CSV (parameters for guidance_step)
NUM_SCENARIO_PARAMS = 55;
NUM_SCENARIO_PARAMS = 48;
MAX_OBSTACLES_CTRL = int32(8);
scenarioParams = zeros(1, NUM_SCENARIO_PARAMS);
obstacleMin = zeros(MAX_OBSTACLES_CTRL, 3);
@@ -92,6 +81,46 @@ for i = 1:numClients
end
end
% Query takeoff-pad GPS positions before sending any waypoints.
% These are also the flyback targets so each UAV lands where it took off.
initialPositions = zeros(MAX_CLIENTS, 3);
if ~coder.target('MATLAB')
coder.ceval('sendRequestPositions', int32(numClients));
coder.ceval('recvPositions', int32(numClients), coder.ref(initialPositions), int32(MAX_CLIENTS));
else
% Simulation: treat scenario positions as the takeoff locations
initialPositions(1:totalLoaded, :) = scenarioPositions(1:totalLoaded, :);
end
% ---- Build taxicab flyout waypoints ------------------------------------------
% Determine which UAV has the higher final altitude; it moves Z first so it
% clears vertical separation before the lower UAV converges on the same X/Y.
% Higher UAV order: Z Y X
% Lower UAV order: X Y Z
if ~coder.target('MATLAB')
if scenarioPositions(1, 3) >= scenarioPositions(2, 3)
higherIdx = int32(1);
lowerIdx = int32(2);
else
higherIdx = int32(2);
lowerIdx = int32(1);
end
hBase = double(higherIdx - 1) * double(numWaypoints);
lBase = double(lowerIdx - 1) * double(numWaypoints);
% Higher UAV: Z first
targets(hBase + 1, :) = [initialPositions(higherIdx,1), initialPositions(higherIdx,2), scenarioPositions(higherIdx,3)];
targets(hBase + 2, :) = [initialPositions(higherIdx,1), scenarioPositions(higherIdx,2), scenarioPositions(higherIdx,3)];
targets(hBase + 3, :) = scenarioPositions(higherIdx, :);
% Lower UAV: X first
targets(lBase + 1, :) = [scenarioPositions(lowerIdx,1), initialPositions(lowerIdx,2), initialPositions(lowerIdx,3)];
targets(lBase + 2, :) = [scenarioPositions(lowerIdx,1), scenarioPositions(lowerIdx,2), initialPositions(lowerIdx,3)];
targets(lBase + 3, :) = scenarioPositions(lowerIdx, :);
end
% ------------------------------------------------------------------------------
% Waypoint loop: send each waypoint to all clients, wait for all to arrive
for w = 1:numWaypoints
% Send TARGET for waypoint w to each client
@@ -127,8 +156,13 @@ for w = 1:numWaypoints
end
% ---- Phase 2: miSim guidance loop ----------------------------------------
% Guidance parameters (adjust here and recompile as needed)
MAX_GUIDANCE_STEPS = int32(100); % number of guidance iterations
% Number of guidance steps comes from maxIter in scenario.csv (scenarioParams(2))
% so the controller and the agent step-decay schedule stay in sync.
if coder.target('MATLAB')
MAX_GUIDANCE_STEPS = int32(sc.maxIter);
else
MAX_GUIDANCE_STEPS = int32(scenarioParams(2));
end
% Enter guidance mode on all clients
if ~coder.target('MATLAB')
@@ -141,8 +175,8 @@ if ~coder.target('MATLAB')
coder.ceval('sendRequestPositions', int32(numClients));
coder.ceval('recvPositions', int32(numClients), coder.ref(positions), int32(MAX_CLIENTS));
else
% Simulation: seed positions from CSV waypoints so agents don't start at origin
positions(1:totalLoaded, :) = targets(1:totalLoaded, :);
% Simulation: seed positions from scenario positions so agents don't start at origin
positions(1:totalLoaded, :) = scenarioPositions(1:totalLoaded, :);
end
guidance_step(positions(1:numClients, :), true, ...
scenarioParams, obstacleMin, obstacleMax, numObstacles);
@@ -197,20 +231,48 @@ if ~coder.target('MATLAB')
end
% --------------------------------------------------------------------------
% Altitude-staggered return: separate UAVs vertically before issuing RTL,
% mirroring the initial positioning stagger so UAVs transit laterally at
% unique altitudes and cannot collide during the return flight.
% ---- Taxicab flyback: return each UAV to its takeoff-pad position ---------
% The UAV that ended guidance at the higher altitude moves Z last (X Y Z)
% so it stays high while the lower UAV descends first, maintaining separation
% as both converge back on their respective home X/Y positions.
NUM_RETURN_WP = int32(3);
returnTargets = zeros(MAX_TARGETS, 3);
if ~coder.target('MATLAB')
for i = 1:numClients
transitAlt = TRANSIT_ALT_BASE + (double(i) - 1) * TRANSIT_ALT_STEP;
target = [positions(i, 1), positions(i, 2), transitAlt];
coder.ceval('sendTarget', int32(i), coder.ref(target));
if positions(1, 3) >= positions(2, 3)
higherRetIdx = int32(1);
lowerRetIdx = int32(2);
else
higherRetIdx = int32(2);
lowerRetIdx = int32(1);
end
hRetBase = double(higherRetIdx - 1) * double(NUM_RETURN_WP);
lRetBase = double(lowerRetIdx - 1) * double(NUM_RETURN_WP);
% Higher post-guidance UAV: X Y Z (descend last)
returnTargets(hRetBase + 1, :) = [initialPositions(higherRetIdx,1), positions(higherRetIdx,2), positions(higherRetIdx,3)];
returnTargets(hRetBase + 2, :) = [initialPositions(higherRetIdx,1), initialPositions(higherRetIdx,2), positions(higherRetIdx,3)];
returnTargets(hRetBase + 3, :) = initialPositions(higherRetIdx, :);
% Lower post-guidance UAV: Z Y X (descend first)
returnTargets(lRetBase + 1, :) = [positions(lowerRetIdx,1), positions(lowerRetIdx,2), initialPositions(lowerRetIdx,3)];
returnTargets(lRetBase + 2, :) = [positions(lowerRetIdx,1), initialPositions(lowerRetIdx,2), initialPositions(lowerRetIdx,3)];
returnTargets(lRetBase + 3, :) = initialPositions(lowerRetIdx, :);
for w = 1:NUM_RETURN_WP
for i = 1:numClients
retIdx = double(i - 1) * double(NUM_RETURN_WP) + w;
retTarget = returnTargets(retIdx, :);
coder.ceval('sendTarget', int32(i), coder.ref(retTarget));
end
coder.ceval('waitForAllMessageType', int32(numClients), int32(MESSAGE_TYPE.ACK));
coder.ceval('waitForAllMessageType', int32(numClients), int32(MESSAGE_TYPE.READY));
end
coder.ceval('waitForAllMessageType', int32(numClients), int32(MESSAGE_TYPE.ACK));
coder.ceval('waitForAllMessageType', int32(numClients), int32(MESSAGE_TYPE.READY));
else
disp('Altitude-staggered return (simulation): UAVs commanded to transit altitudes.');
disp('Taxicab return (simulation): UAVs commanded back to takeoff positions.');
end
% --------------------------------------------------------------------------
% Send RTL command to all clients
for i = 1:numClients
+16 -21
View File
@@ -94,34 +94,29 @@ if isInit
BETA_TILT_VEC = scenarioParams(29:32);
DOMAIN_MIN = scenarioParams(33:35);
DOMAIN_MAX = scenarioParams(36:38);
NUM_OBJ_COMPONENTS = int32(scenarioParams(39));
OBJECTIVE_POS_FLAT = scenarioParams(40:43); % [x1,y1,x2,y2]; zero-padded if N=1
OBJECTIVE_VAR_FLAT = scenarioParams(44:51); % [v11,v12,v21,v22 per component]
SENSOR_PERFORMANCE_MINIMUM = scenarioParams(52);
USE_DOUBLE_INTEGRATOR = logical(scenarioParams(53));
DAMPING_COEFF = scenarioParams(54);
USE_FIXED_TOPOLOGY = logical(scenarioParams(55));
OBJECTIVE_GROUND_POS = scenarioParams(39:40);
OBJECTIVE_VAR = reshape(scenarioParams(41:44), 2, 2);
SENSOR_PERFORMANCE_MINIMUM = scenarioParams(45);
USE_DOUBLE_INTEGRATOR = logical(scenarioParams(46));
DAMPING_COEFF = scenarioParams(47);
USE_FIXED_TOPOLOGY = logical(scenarioParams(48));
% --- Build domain geometry ---
dom = rectangularPrism;
dom = dom.initialize([DOMAIN_MIN; DOMAIN_MAX], REGION_TYPE.DOMAIN, "Guidance Domain");
% --- Build sensing objective: sum of N bivariate Gaussians (codegen-compatible) ---
% --- Build sensing objective (inline Gaussian; codegen-compatible) ---
dom.objective = sensingObjective;
xGrid = unique([DOMAIN_MIN(1):DISCRETIZATION_STEP:DOMAIN_MAX(1), DOMAIN_MAX(1)]);
yGrid = unique([DOMAIN_MIN(2):DISCRETIZATION_STEP:DOMAIN_MAX(2), DOMAIN_MAX(2)]);
[gridX, gridY] = meshgrid(xGrid, yGrid);
objValues = zeros(size(gridX));
for kk = 1:NUM_OBJ_COMPONENTS
pos_k = OBJECTIVE_POS_FLAT((kk-1)*2+1 : (kk-1)*2+2);
var_k = reshape(OBJECTIVE_VAR_FLAT((kk-1)*4+1 : (kk-1)*4+4), 2, 2);
dx = gridX - pos_k(1);
dy = gridY - pos_k(2);
ov_a = var_k(1,1); ov_b = var_k(1,2);
ov_c = var_k(2,1); ov_d = var_k(2,2);
ov_det = ov_a * ov_d - ov_b * ov_c;
objValues = objValues + exp((-0.5 / ov_det) .* (ov_d .* dx.*dx - (ov_b + ov_c) .* dx.*dy + ov_a .* dy.*dy));
end
dx = gridX - OBJECTIVE_GROUND_POS(1);
dy = gridY - OBJECTIVE_GROUND_POS(2);
% Bivariate Gaussian using objectiveVar covariance matrix (avoids inv())
ov_a = OBJECTIVE_VAR(1,1); ov_b = OBJECTIVE_VAR(1,2);
ov_c = OBJECTIVE_VAR(2,1); ov_d = OBJECTIVE_VAR(2,2);
ov_det = ov_a * ov_d - ov_b * ov_c;
objValues = exp((-0.5 / ov_det) .* (ov_d .* dx.*dx - (ov_b + ov_c) .* dx.*dy + ov_a .* dy.*dy));
dom.objective = dom.objective.initializeWithValues(objValues, dom, ...
DISCRETIZATION_STEP, PROTECTED_RANGE, SENSOR_PERFORMANCE_MINIMUM);
@@ -198,8 +193,8 @@ else
% 5. Unconstrained gradient-ascent step for each agent
for ii = 1:size(sim.agents, 1)
sim.agents{ii} = sim.agents{ii}.run(sim.domain, sim.partitioning, ...
sim.timestepIndex, ii, ...
sim.useDoubleIntegrator, sim.dampingCoeff, sim.timestep, sim.optimizeSensorPointing);
sim.timestepIndex, ii, sim.agents, ...
sim.useDoubleIntegrator, sim.dampingCoeff, sim.timestep);
end
% 6. Apply CBF safety filter (collision / comms / domain constraints via QP)
+19 -46
View File
@@ -222,13 +222,12 @@ static int readScenarioDataRow(const char* filename, char* line, int lineSize) {
// 28-31: betaTilt[1:4]
// 32-34: domainMin (east, north, up)
// 35-37: domainMax (east, north, up)
// 38 : numObjectiveComponents (1 or 2; inferred from objectivePos field length)
// 39-42: objectivePos flat [x1,y1,x2,y2] (4 slots; zero-padded if N=1)
// 43-50: objectiveVar flat [v11,v12,v21,v22 per component] (8 slots; zero-padded if N=1)
// 51 : sensorPerformanceMinimum (CSV column 18)
// 52 : useDoubleIntegrator (CSV column 23)
// 53 : dampingCoeff (CSV column 24)
// 54 : useFixedTopology (CSV column 25)
// 38-39: objectivePos (east, north)
// 40-43: objectiveVar (2x2 col-major: v11, v12, v21, v22)
// 44 : sensorPerformanceMinimum (CSV column 18)
// 45 : useDoubleIntegrator (CSV column 23; 0=single-integrator, 1=double-integrator)
// 46 : dampingCoeff (CSV column 24)
// 47 : useFixedTopology (CSV column 25; 0=dynamic lesser-neighbor, 1=fixed)
// Returns 1 on success, 0 on failure.
int loadScenario(const char* filename, double* params) {
char line[4096];
@@ -306,78 +305,52 @@ int loadScenario(const char* filename, double* params) {
}
}
// objectivePos: column 16 — 2 values per component (up to 2 components).
// Infer numObjectiveComponents from the number of values parsed.
// objectivePos: column 16
{
char tmp[256]; strncpy(tmp, fields[16], sizeof(tmp) - 1); tmp[sizeof(tmp)-1] = '\0';
char* t = trimField(tmp);
double posVals[4] = {0, 0, 0, 0};
int posCount = 0;
char* tok = strtok(t, ",");
while (tok && posCount < 4) {
posVals[posCount++] = atof(tok);
tok = strtok(nullptr, ",");
}
// Check for a 5th token — would mean > 2 components
if (tok) {
fprintf(stderr, "loadScenario: at most 2 objective Gaussian components supported (objectivePos has >4 values)\n");
if (sscanf(t, "%lf , %lf", &params[38], &params[39]) != 2) {
fprintf(stderr, "loadScenario: failed to parse objectivePos: %s\n", t);
return 0;
}
if (posCount == 0 || posCount % 2 != 0) {
fprintf(stderr, "loadScenario: objectivePos must have 2 or 4 values, got %d\n", posCount);
return 0;
}
int nObj = posCount / 2;
params[38] = (double)nObj;
for (int k = 0; k < 4; k++) params[39 + k] = posVals[k]; // zero-padded for nObj=1
}
// objectiveVar: column 17 — 4 values per component (v11,v12,v21,v22).
// objectiveVar: column 17, format "v11, v12, v21, v22"
{
char tmp[512]; strncpy(tmp, fields[17], sizeof(tmp) - 1); tmp[sizeof(tmp)-1] = '\0';
char tmp[256]; strncpy(tmp, fields[17], sizeof(tmp) - 1); tmp[sizeof(tmp)-1] = '\0';
char* t = trimField(tmp);
int nObj = (int)params[38];
double varVals[8] = {0, 0, 0, 0, 0, 0, 0, 0};
int varCount = 0;
char* tok = strtok(t, ",");
while (tok && varCount < 8) {
varVals[varCount++] = atof(tok);
tok = strtok(nullptr, ",");
}
if (varCount != nObj * 4) {
fprintf(stderr, "loadScenario: objectiveVar has %d values but expected %d (4 per component)\n",
varCount, nObj * 4);
if (sscanf(t, "%lf , %lf , %lf , %lf", &params[40], &params[41], &params[42], &params[43]) != 4) {
fprintf(stderr, "loadScenario: failed to parse objectiveVar: %s\n", t);
return 0;
}
for (int k = 0; k < 8; k++) params[43 + k] = varVals[k]; // zero-padded for nObj=1
}
// sensorPerformanceMinimum: column 18
{
char tmp[64]; strncpy(tmp, fields[18], sizeof(tmp) - 1); tmp[sizeof(tmp)-1] = '\0';
params[51] = atof(trimField(tmp));
params[44] = atof(trimField(tmp));
}
// useDoubleIntegrator: column 23
{
char tmp[64]; strncpy(tmp, fields[23], sizeof(tmp) - 1); tmp[sizeof(tmp)-1] = '\0';
params[52] = atof(trimField(tmp));
params[45] = atof(trimField(tmp));
}
// dampingCoeff: column 24
{
char tmp[64]; strncpy(tmp, fields[24], sizeof(tmp) - 1); tmp[sizeof(tmp)-1] = '\0';
params[53] = atof(trimField(tmp));
params[46] = atof(trimField(tmp));
}
// useFixedTopology: column 25
{
char tmp[64]; strncpy(tmp, fields[25], sizeof(tmp) - 1); tmp[sizeof(tmp)-1] = '\0';
params[54] = atof(trimField(tmp));
params[47] = atof(trimField(tmp));
}
printf("Loaded scenario: domain [%g,%g,%g] to [%g,%g,%g], %d objective component(s)\n",
params[32], params[33], params[34], params[35], params[36], params[37], (int)params[38]);
printf("Loaded scenario: domain [%g,%g,%g] to [%g,%g,%g]\n",
params[32], params[33], params[34], params[35], params[36], params[37]);
return 1;
}
+7 -8
View File
@@ -27,14 +27,13 @@ int loadTargets(const char* filename, double* targets, int maxClients);
// 28-31 betaTilt[1:4]
// 32-34 domainMin
// 35-37 domainMax
// 38 numObjectiveComponents (1 or 2; inferred from objectivePos field length)
// 39-42 objectivePos flat [x1,y1,x2,y2] (4 slots; zero-padded if N=1)
// 43-50 objectiveVar flat [v11,v12,v21,v22 per component] (8 slots; zero-padded if N=1)
// 51 sensorPerformanceMinimum
// 52 useDoubleIntegrator (0=single-integrator, 1=double-integrator)
// 53 dampingCoeff
// 54 useFixedTopology (0=dynamic lesser-neighbor, 1=fixed)
#define NUM_SCENARIO_PARAMS 55
// 38-39 objectivePos
// 40-43 objectiveVar (2x2 col-major)
// 44 sensorPerformanceMinimum
// 45 useDoubleIntegrator (0=single-integrator, 1=double-integrator)
// 46 dampingCoeff
// 47 useFixedTopology (0=dynamic lesser-neighbor, 1=fixed)
#define NUM_SCENARIO_PARAMS 48
#define MAX_CLIENTS_PER_PARAM 4
// Maximum number of obstacles (upper bound for pre-allocated arrays).
#define MAX_OBSTACLES 8
-28
View File
@@ -1,28 +0,0 @@
function controller = controllerAnalysis(resultsPath)
arguments (Input)
resultsPath (1, 1) string;
end
arguments (Output)
controller table;
end
% Measure intervals between issuing commands from the controller
% (make sure this is ~4-5 seconds at minimum to avoid overwhelming the UAV autopilot)
r = dir(resultsPath);
controllerPath = fullfile(r(startsWith({r.name}, 'controller_')).folder, r(startsWith({r.name}, 'controller_')).name);
controllerPath = dir(controllerPath);
controllerPath = fullfile(controllerPath(endsWith({controllerPath.name}, '_controller_log.txt')).folder, controllerPath(endsWith({controllerPath.name}, '_controller_log.txt')).name);
controller = readControllerLogs(controllerPath);
rpIdx = startsWith(controller.message, "Iteration duration: ");
s = split(controller.message(rpIdx), "Iteration duration: ");
s = split(s(:, 2), ' s');
s = duration(strcat("00:", s(:, 1)), "InputFormat", "mm:ss.SSS");
s.Format = "mm:ss.SSS";
fprintf("Minimum command spacing: %2.3f seconds\n", seconds(min(s)));
fprintf("Maximum command spacing: %2.3f seconds\n", seconds(max(s)));
fprintf("Mean command spacing: %2.3f seconds\n", seconds(mean(s)));
fprintf("Median command spacing: %2.3f seconds\n", seconds(median(s)));
if seconds(min(s)) < 4
warning("Minimum command spacing %2.3f questionably short for AERPAW", seconds(min(s)));
end
end
+8 -183
View File
@@ -1,12 +1,9 @@
function [f, fDist, R] = plotRadioLogs(resultsPath, G, tLim)
function [f, R] = plotRadioLogs(resultsPath)
arguments (Input)
resultsPath (1, 1) string;
G cell = {};
tLim (1, 2) datetime = [datetime(-Inf, 'ConvertFrom', 'datenum'), datetime(Inf, 'ConvertFrom', 'datenum')];
end
arguments (Output)
f (1, 1) matlab.ui.Figure;
fDist (1, 1) matlab.ui.Figure;
R cell;
end
@@ -43,44 +40,11 @@ function [f, fDist, R] = plotRadioLogs(resultsPath, G, tLim)
metricNames = ["SNR", "Power", "Quality", "PathLoss", "NoiseFloor", "FreqOffset"];
yLabels = ["SNR (dB)", "Power (dB)", "Quality", "Path Loss (dB)", "Noise Floor (dB)", "Freq Offset (MHz)"];
nMetrics = numel(metricNames);
% --- Time-based figure ---
f = figure;
tl = tiledlayout(nMetrics + 1, 1, 'TileSpacing', 'compact', 'Padding', 'compact');
tl = tiledlayout(numel(metricNames), 1, 'TileSpacing', 'compact', 'Padding', 'compact');
% Distance vs time tile (first)
ax = nexttile(tl);
hold(ax, 'on'); grid(ax, 'on');
legendEntries = string.empty;
ci = 1;
if ~isempty(G)
for rxIdx = 1:nUAV
tbl = R{rxIdx};
txIDs = unique(tbl.TxUAVID);
for ti = 1:numel(txIDs)
txID = txIDs(ti);
rows = tbl(tbl.TxUAVID == txID, :);
rows = rows(rows.Timestamp >= tLim(1) & rows.Timestamp <= tLim(2), :);
if isempty(rows), continue; end
[~, ia] = unique(rows.Timestamp);
[radioPt, dist] = pairDist(rows(ia, :), G);
if isempty(dist) || all(isnan(dist)), continue; end
valid = ~isnan(dist);
si = mod(ci - 1, numel(styles)) + 1;
plot(ax, datetime(radioPt(valid), 'ConvertFrom', 'posixtime'), dist(valid), ...
styles(si), 'Color', colors(ci, :), 'MarkerSize', 3, 'LineWidth', 0.5);
legendEntries(end+1) = sprintf("TX %d → RX %d", txID, rows.RxUAVID(1)); %#ok<AGROW>
ci = ci + 1;
end
end
end
ylabel(ax, 'Distance (m)');
xlabel(ax, 'Time');
legend(ax, legendEntries, 'Location', 'best');
hold(ax, 'off');
for mi = 1:nMetrics
for mi = 1:numel(metricNames)
ax = nexttile(tl);
hold(ax, 'on');
grid(ax, 'on');
@@ -93,32 +57,23 @@ function [f, fDist, R] = plotRadioLogs(resultsPath, G, tLim)
for ti = 1:numel(txIDs)
txID = txIDs(ti);
rows = tbl(tbl.TxUAVID == txID, :);
rows = rows(rows.Timestamp >= tLim(1) & rows.Timestamp <= tLim(2), :);
vals = rows.(metricNames(mi));
valid = ~isnan(vals);
rows = rows(valid, :);
vals = vals(valid);
if isempty(rows)
% Skip if all NaN for this metric
if all(isnan(vals))
continue;
end
si = mod(ci - 1, numel(styles)) + 1;
plot(ax, rows.Timestamp, vals, styles(si), ...
'Color', colors(ci, :), 'MarkerSize', 3, 'LineWidth', 0.5);
'Color', colors(ci, :), 'MarkerSize', 3, 'LineWidth', 1);
legendEntries(end+1) = sprintf("TX %d → RX %d", txID, tbl.RxUAVID(1)); %#ok<AGROW>
% Median per 1/3-second time bin
[t_med, v_med] = timeBinMedian(posixtime(rows.Timestamp), vals, 1/3);
plot(ax, datetime(t_med, 'ConvertFrom', 'posixtime'), v_med, '-', ...
'Color', 'r', 'LineWidth', 2);
legendEntries(end+1) = sprintf("TX %d → RX %d (median)", txID, tbl.RxUAVID(1)); %#ok<AGROW>
ci = ci + 1;
end
end
ylabel(ax, yLabels(mi));
if mi == nMetrics
if mi == numel(metricNames)
xlabel(ax, 'Time');
end
legend(ax, legendEntries, 'Location', 'best');
@@ -126,134 +81,4 @@ function [f, fDist, R] = plotRadioLogs(resultsPath, G, tLim)
end
title(tl, 'Radio Channel Metrics');
% --- Distance-based figure ---
fDist = figure;
if isempty(G)
return;
end
tl2 = tiledlayout(nMetrics + 1, 1, 'TileSpacing', 'compact', 'Padding', 'compact');
% Distance vs time tile (first)
ax = nexttile(tl2);
hold(ax, 'on'); grid(ax, 'on');
legendEntries = string.empty;
ci = 1;
for rxIdx = 1:nUAV
tbl = R{rxIdx};
txIDs = unique(tbl.TxUAVID);
for ti = 1:numel(txIDs)
txID = txIDs(ti);
rows = tbl(tbl.TxUAVID == txID, :);
rows = rows(rows.Timestamp >= tLim(1) & rows.Timestamp <= tLim(2), :);
if isempty(rows), continue; end
[~, ia] = unique(rows.Timestamp);
[radioPt, dist] = pairDist(rows(ia, :), G);
if isempty(dist) || all(isnan(dist)), continue; end
valid = ~isnan(dist);
si = mod(ci - 1, numel(styles)) + 1;
plot(ax, datetime(radioPt(valid), 'ConvertFrom', 'posixtime'), dist(valid), ...
styles(si), 'Color', colors(ci, :), 'MarkerSize', 3, 'LineWidth', 0.5);
legendEntries(end+1) = sprintf("TX %d → RX %d", txID, rows.RxUAVID(1)); %#ok<AGROW>
ci = ci + 1;
end
end
ylabel(ax, 'Distance (m)');
xlabel(ax, 'Time');
legend(ax, legendEntries, 'Location', 'best');
hold(ax, 'off');
for mi = 1:nMetrics
ax = nexttile(tl2);
hold(ax, 'on');
grid(ax, 'on');
legendEntries = string.empty;
ci = 1;
for rxIdx = 1:nUAV
tbl = R{rxIdx};
txIDs = unique(tbl.TxUAVID);
for ti = 1:numel(txIDs)
txID = txIDs(ti);
rows = tbl(tbl.TxUAVID == txID, :);
if isempty(rows)
continue;
end
rows = rows(rows.Timestamp >= tLim(1) & rows.Timestamp <= tLim(2), :);
if isempty(rows)
continue;
end
vals = rows.(metricNames(mi));
valid = ~isnan(vals);
rows = rows(valid, :);
vals = vals(valid);
if isempty(rows)
continue;
end
[radioPt, dist] = pairDist(rows, G);
if isempty(dist) || all(isnan(dist)), continue; end
% Drop points where GPS interpolation returned NaN
validDist = ~isnan(dist);
rowTs = radioPt(validDist);
dist = dist(validDist);
vals = vals(validDist);
si = mod(ci - 1, numel(styles)) + 1;
scatter(ax, dist, vals, 9, colors(ci, :), strrep(styles(si), "-", ""), 'filled');
legendEntries(end+1) = sprintf("TX %d → RX %d", txID, rows.RxUAVID(1)); %#ok<AGROW>
% Median per 1/3-second time bin, plotted against median distance
[~, dv_med] = timeBinMedian(rowTs, [dist, vals], 1/3);
[d_med, si_sort] = sort(dv_med(:, 1));
v_med = dv_med(si_sort, 2);
plot(ax, d_med, v_med, '-', 'Color', 'r', 'LineWidth', 2);
legendEntries(end+1) = sprintf("TX %d → RX %d (median)", txID, rows.RxUAVID(1)); %#ok<AGROW>
ci = ci + 1;
end
end
ylabel(ax, yLabels(mi));
if mi == nMetrics
xlabel(ax, 'Distance (m)');
end
legend(ax, legendEntries, 'Location', 'best');
hold(ax, 'off');
end
title(tl2, 'Radio Channel Metrics vs Distance');
end
function [radioPt, dist] = pairDist(rows, G)
% Interpolate GPS-based inter-UAV distance at each row's timestamp.
radioPt = []; dist = [];
txGpsIdx = double(rows.TxUAVID(1)) + 1;
rxGpsIdx = double(rows.RxUAVID(1)) + 1;
if txGpsIdx > numel(G) || rxGpsIdx > numel(G), return; end
Gtx = G{txGpsIdx};
Grx = G{rxGpsIdx};
if ~ismember('East', Gtx.Properties.VariableNames) || ...
~ismember('East', Grx.Properties.VariableNames), return; end
txTs = Gtx.Timestamp; txTs.TimeZone = '';
rxTs = Grx.Timestamp; rxTs.TimeZone = '';
txPt = posixtime(txTs);
rxPt = posixtime(rxTs);
radioPt = posixtime(rows.Timestamp);
validTx = ~isnan(Gtx.East);
validRx = ~isnan(Grx.East);
txE = interp1(txPt(validTx), Gtx.East(validTx), radioPt, 'linear', NaN);
txN = interp1(txPt(validTx), Gtx.North(validTx), radioPt, 'linear', NaN);
txU = interp1(txPt(validTx), Gtx.Up(validTx), radioPt, 'linear', NaN);
rxE = interp1(rxPt(validRx), Grx.East(validRx), radioPt, 'linear', NaN);
rxN = interp1(rxPt(validRx), Grx.North(validRx), radioPt, 'linear', NaN);
rxU = interp1(rxPt(validRx), Grx.Up(validRx), radioPt, 'linear', NaN);
dist = vecnorm([txE - rxE, txN - rxN, txU - rxU], 2, 2);
end
end
-34
View File
@@ -70,40 +70,6 @@ function R = readRadioLogs(logPath)
R = sortrows(R, "Timestamp");
% Reconstruct per-measurement timestamps within GNURadio processing batches.
% The flowgraph accumulates one full PN sequence (4095 chips at samp_rate/sps)
% per measurement, but outputs the whole batch simultaneously with a single
% wall-clock timestamp. We reassign timestamps by counting backward from the
% batch processing time at the known PN period interval.
pn_period = 4095 / (2e6 / 16); % 32.76 ms per PN correlation period
for txId = unique(R.TxUAVID)'
rows = find(R.TxUAVID == txId);
if numel(rows) < 2, continue; end
dt = seconds(diff(R.Timestamp(rows)));
break_pos = [1; find(dt > 0.5) + 1];
end_pos = [break_pos(2:end) - 1; numel(rows)];
for b = 1:numel(break_pos)
idx = rows(break_pos(b) : end_pos(b));
batch_ts = posixtime(R.Timestamp(idx));
t_ref = max(batch_ts);
% Multiple metric files share the same processing timestamp for
% each PN period, so group by unique original timestamp rather
% than treating every row as a separate PN period.
[~, ~, group_id] = unique(batch_ts);
n_groups = max(group_id);
new_ts = t_ref - (n_groups - 1 : -1 : 0)' * pn_period;
for g = 1:n_groups
R.Timestamp(idx(group_id == g)) = ...
datetime(new_ts(g), 'ConvertFrom', 'posixtime');
end
end
end
% Remove rows during defined guard period between TDM shifts
R(R.TxUAVID == -1, :) = [];
+23 -9
View File
@@ -1,16 +1,33 @@
%% Plot AERPAW logs (trajectory, radio)
resultsPath = fullfile(matlab.project.rootProject().RootFolder, "sandbox", "two_around_wall"); % Define path to results copied from AERPAW platform
% Check timeline in controller logs
controller = controllerAnalysis(resultsPath);
% Measure intervals between issuing commands from the controller
% (make sure this is ~4-5 seconds at minimum to avoid overwhelming the UAV autopilot)
r = dir(resultsPath);
controllerPath = fullfile(r(startsWith({r.name}, 'controller_')).folder, r(startsWith({r.name}, 'controller_')).name);
controllerPath = dir(controllerPath);
controllerPath = fullfile(controllerPath(endsWith({controllerPath.name}, '_controller_log.txt')).folder, controllerPath(endsWith({controllerPath.name}, '_controller_log.txt')).name);
controller = readControllerLogs(controllerPath);
rpIdx = startsWith(controller.message, "Iteration duration: ");
s = split(controller.message(rpIdx), "Iteration duration: ");
s = split(s(:, 2), ' s');
s = duration(strcat("00:", s(:, 1)), "InputFormat", "mm:ss.SSS");
s.Format = "mm:ss.SSS";
fprintf("Minimum command spacing: %2.3f seconds\n", seconds(min(s)));
fprintf("Maximum command spacing: %2.3f seconds\n", seconds(max(s)));
fprintf("Mean command spacing: %2.3f seconds\n", seconds(mean(s)));
fprintf("Median command spacing: %2.3f seconds\n", seconds(median(s)));
if seconds(min(s)) < 4
warning("Minimum command spacing %2.3f questionably short for AERPAW", seconds(min(s)));
end
% Plot GPS logged data and scenario information (domain, objective, obstacles)
seaToGroundLevel = 110; % measured approximately from USGS national map viewer
plotWholeFlight = true; % do not attempt to automatically trim initial and final positioning and landing from flight plot (buggy)
[fGlobe, G] = plotGpsLogs(resultsPath, seaToGroundLevel, true);
% Plot radio statistics (time-based and distance-based)
[fRadio, fRadioDist, R] = plotRadioLogs(resultsPath, G, controller.timestamp([1, end]));
% Plot radio statistics
[fRadio, R] = plotRadioLogs(resultsPath);
%% Run simulation
% Run miSim using same AERPAW scenario definition CSV
@@ -37,7 +54,7 @@ for ii = 1:size(agents, 1)
collisionGeometry = spherical;
collisionGeometry = collisionGeometry.initialize(params.initialPositions((((ii - 1) * 3) + 1):(ii * 3)), params.collisionRadius(ii), REGION_TYPE.COLLISION, sprintf("Agent %d collision geometry", ii));
agents{ii} = agents{ii}.initialize(params.initialPositions((((ii - 1) * 3) + 1):(ii * 3)), collisionGeometry, sensorModel, params.comRange(ii), params.maxIter, params.initialStepSize, 5.0, sprintf("Agent %d", ii), plotCommsGeometry);
agents{ii} = agents{ii}.initialize(params.initialPositions((((ii - 1) * 3) + 1):(ii * 3)), collisionGeometry, sensorModel, params.comRange(ii), params.maxIter, params.initialStepSize, sprintf("Agent %d", ii), plotCommsGeometry);
end
% Create obstacles
@@ -64,12 +81,9 @@ copyobj(sim.f.Children, comparison);
% Plot trajectories on top
for ii = 1:size(G, 1)
gpsTimes = G{ii}.Timestamp;
gpsTimes.TimeZone = '';
inRange = gpsTimes >= controller.timestamp(1) & gpsTimes <= controller.timestamp(end);
for jj = 1:size(sim.spatialPlotIndices, 2)
hold(comparison.Children.Children(sim.spatialPlotIndices(jj)), "on");
plot3(comparison.Children(1).Children(sim.spatialPlotIndices(jj)), G{ii}.East(inRange), G{ii}.North(inRange), G{ii}.Up(inRange) + seaToGroundLevel, 'Color', 'r', 'LineWidth', 1);
plot3(comparison.Children(1).Children(sim.spatialPlotIndices(jj)), G{ii}.East, G{ii}.North, G{ii}.Up + seaToGroundLevel, 'Color', 'r', 'LineWidth', 1);
hold(comparison.Children.Children(sim.spatialPlotIndices(jj)), "off");
end
end
-29
View File
@@ -1,29 +0,0 @@
function [t_med, v_med] = timeBinMedian(t, v, binWidth)
% Compute median of each column of v within fixed-width time bins.
%
% t - (N,1) posixtime values
% v - (N,K) data matrix; one column per quantity
% binWidth - scalar bin width in seconds
%
% t_med - (B,1) median time of each non-empty bin
% v_med - (B,K) median of each column per non-empty bin
edges = (floor(min(t) / binWidth) * binWidth) : binWidth : ...
(floor(max(t) / binWidth) * binWidth + binWidth);
bins = discretize(t, edges);
nBins = numel(edges) - 1;
K = size(v, 2);
t_all = NaN(nBins, 1);
v_all = NaN(nBins, K);
for bi = 1:nBins
mask = bins == bi;
if ~any(mask), continue; end
t_all(bi) = median(t(mask));
v_all(bi,:) = median(v(mask,:), 1);
end
ok = ~isnan(t_all);
t_med = t_all(ok);
v_med = v_all(ok, :);
end
+3 -5
View File
@@ -6,11 +6,9 @@ classdef cone
label = "";
% Spatial
center = NaN;
radius = NaN;
height = NaN;
tilt = 0; % degrees, 0=nadir 90=horizon
azimuth = 0; % degrees, 0=+Y 90=+X clockwise
center = NaN;
radius = NaN;
height = NaN;
% Plotting
surface;
+12 -16
View File
@@ -1,23 +1,19 @@
function obj = initialize(obj, center, radius, height, tag, label, tilt, azimuth)
function obj = initialize(obj, center, radius, height, tag, label)
arguments (Input)
obj (1, 1) {mustBeA(obj, "cone")};
center (1, 3) double;
radius (1, 1) double;
height (1, 1) double;
tag (1, 1) REGION_TYPE = REGION_TYPE.INVALID;
label (1, 1) string = "";
tilt (1, 1) double = 0;
azimuth (1, 1) double = 0;
obj (1, 1) {mustBeA(obj, "cone")};
center (1, 3) double;
radius (1, 1) double;
height (1, 1) double;
tag (1, 1) REGION_TYPE = REGION_TYPE.INVALID;
label (1, 1) string = "";
end
arguments (Output)
obj (1, 1) {mustBeA(obj, "cone")};
end
obj.center = center;
obj.radius = radius;
obj.height = height;
obj.tag = tag;
obj.label = label;
obj.tilt = tilt;
obj.azimuth = azimuth;
obj.center = center;
obj.radius = radius;
obj.height = height;
obj.tag = tag;
obj.label = label;
end
+1 -12
View File
@@ -20,18 +20,7 @@ function [obj, f] = plot(obj, ind, f, maxAlt)
% Scale to match height
Z = Z * maxAlt;
% Rotate mesh around apex to match boresight tilt and azimuth.
% Apex sits at [0, 0, maxAlt] before center translation.
% Convention: tilt 0=nadir, 90=horizon; azimuth 0=+Y, 90=+X, clockwise.
Ry = [cosd(obj.tilt), 0, -sind(obj.tilt); 0, 1, 0; sind(obj.tilt), 0, cosd(obj.tilt)];
Rz = [sind(obj.azimuth), -cosd(obj.azimuth), 0; cosd(obj.azimuth), sind(obj.azimuth), 0; 0, 0, 1];
R = Rz * Ry;
pts = R * [X(:)'; Y(:)'; Z(:)' - maxAlt];
X = reshape(pts(1, :), size(X));
Y = reshape(pts(2, :), size(Y));
Z = reshape(pts(3, :) + maxAlt, size(Z));
% Move to center location
X = X + obj.center(1);
Y = Y + obj.center(2);
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="test"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="test_rfSensor.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="plot.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="clearRssCache.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="rfSensor.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="plotParameters.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="plotPerformance.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="halfAngle.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="computePointToPoints.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="sensorPerformance.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="transmitterGain.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="initialize.m" type="File"/>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info/>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="1" type="DIR_SIGNIFIER"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="RSS.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="pathLoss.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="controllerAnalysis.m" type="File"/>
@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="halfAngle.m" type="File"/>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info/>
@@ -1,2 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<Info location="@rfSensor" type="File"/>
+4 -4
View File
@@ -42,7 +42,7 @@ classdef parametricTestSuite < matlab.unittest.TestCase
objectivePos = params.objectivePos;
end
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper(objectivePos, objectiveSigma), tc.domain, params.discretizationStep, params.protectedRange, params.sensorPerformanceMinimum, objectivePos, objectiveSigma);
agents = cell(size(params.initialPositions, 2) / 3, 1);
for ii = 1:size(agents, 1)
agents{ii} = agent;
@@ -53,7 +53,7 @@ classdef parametricTestSuite < matlab.unittest.TestCase
collisionGeometry = spherical;
collisionGeometry = collisionGeometry.initialize(params.initialPositions((((ii - 1) * 3) + 1):(ii * 3)), params.collisionRadius(ii), REGION_TYPE.COLLISION, sprintf("Agent %d collision geometry", ii));
agents{ii} = agents{ii}.initialize(params.initialPositions((((ii - 1) * 3) + 1):(ii * 3)), collisionGeometry, sensorModel, params.comRange(ii), params.maxIter, params.initialStepSize, 5.0, sprintf("Agent %d", ii), tc.plotCommsGeometry);
agents{ii} = agents{ii}.initialize(params.initialPositions((((ii - 1) * 3) + 1):(ii * 3)), collisionGeometry, sensorModel, params.comRange(ii), params.maxIter, params.initialStepSize, sprintf("Agent %d", ii), tc.plotCommsGeometry);
end
% Create obstacles
@@ -112,7 +112,7 @@ classdef parametricTestSuite < matlab.unittest.TestCase
% Initialize agent
collisionGeometry = collisionGeometry.initialize(agentPos, params.collisionRadius(ii, 1), REGION_TYPE.COLLISION, "Agent 1 Collision Region");
agents{1} = agents{1}.initialize(agentPos, collisionGeometry, sensorModel, params.comRange(ii, 1), params.maxIter(ii), params.initialStepSize(ii), 5.0, "Agent 1", tc.plotCommsGeometry);
agents{1} = agents{1}.initialize(agentPos, collisionGeometry, sensorModel, params.comRange(ii, 1), params.maxIter(ii), params.initialStepSize(ii), "Agent 1", tc.plotCommsGeometry);
% Set up remaining agents in random (valid) locations
for jj = 2:size(agents, 1)
@@ -154,7 +154,7 @@ classdef parametricTestSuite < matlab.unittest.TestCase
% Initialize agent
collisionGeometry = collisionGeometry.initialize(agentPos, params.collisionRadius(ii, jj), REGION_TYPE.COLLISION, sprintf("Agent %d Collision Region", jj));
agents{jj} = agents{jj}.initialize(agentPos, collisionGeometry, sensorModel, params.comRange(ii, jj), params.maxIter(ii), params.initialStepSize(ii), 5.0, sprintf("Agent %d", jj), tc.plotCommsGeometry);
agents{jj} = agents{jj}.initialize(agentPos, collisionGeometry, sensorModel, params.comRange(ii, jj), params.maxIter(ii), params.initialStepSize(ii), sprintf("Agent %d", jj), tc.plotCommsGeometry);
end
% randomly shuffle agents to make the network more interesting (probably)
+50 -325
View File
@@ -9,8 +9,8 @@ classdef test_miSim < matlab.unittest.TestCase
plotCommsGeometry = false; % disable plotting communications geometries
% Sim
maxIter = 250;
timestep = 0.1;
maxIter = 50;
timestep = 0.05;
% Domain
domain = rectangularPrism; % domain geometry
@@ -31,7 +31,6 @@ classdef test_miSim < matlab.unittest.TestCase
% Agents
initialStepSize = 0.2; % gradient ascent step size at the first iteration. Decreases linearly to 0 based on maxIter.
initialMaxAngleStepSize = 0.1; % angular step size (degrees) for tilt/azimuth gradient ascent per timestep.
minAgents = 3; % Minimum number of agents to be randomly generated
maxAgents = 4; % Maximum number of agents to be randomly generated
useDoubleIntegrator = false;
@@ -44,8 +43,6 @@ classdef test_miSim < matlab.unittest.TestCase
collisionRanges = NaN;
% Sensing
sensor = sigmoidSensor;
% sigmoidSensor
betaDistMin = 3;
betaDistMax = 15;
betaTiltMin = 3;
@@ -54,19 +51,10 @@ classdef test_miSim < matlab.unittest.TestCase
alphaDistMax = 3;
alphaTiltMin = 15; % degrees
alphaTiltMax = 30; % degrees
opticalPartitioningMin = 1e-6;
% rfSensor
P_TX = 1e-3; % Transmit power (Watts)
BW = 20e6; % Bandwidth (Hz)
f_c = 3e9; % Center frequency (Hz)
G_RX_dBi = 3; % Receiving Antenna Gain (dBi)
beamwidthExponent = 16;
lossExponent = 2;
sinrPartitioningMin = 50;
sensor = sigmoidSensor;
% Communications
useFixedTopology = false;
optimizeSensorPointing = false;
minCommsRange = 3; % Minimum randomly generated collision geometry size
maxCommsRange = 5; % Maximum randomly generated collision geometry size
commsRanges = NaN;
@@ -185,7 +173,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.sensor = tc.sensor.initialize(tc.alphaDistMin + rand * (tc.alphaDistMax - tc.alphaDistMin), tc.betaDistMin + rand * (tc.betaDistMax - tc.betaDistMin), tc.alphaTiltMin + rand * (tc.alphaTiltMax - tc.alphaTiltMin), tc.betaTiltMin + rand * (tc.betaTiltMax - tc.betaTiltMin));
% Initialize candidate agent
newAgent = tc.agents{ii}.initialize(candidatePos, candidateGeometry, tc.sensor, tc.commsRanges(ii), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
newAgent = tc.agents{ii}.initialize(candidatePos, candidateGeometry, tc.sensor, tc.commsRanges(ii), tc.maxIter, tc.initialStepSize);
% Make sure candidate agent doesn't collide with
% domain
@@ -239,155 +227,7 @@ classdef test_miSim < matlab.unittest.TestCase
end
% Initialize the simulation
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
end
function miSim_run_rf_sensor(tc)
% randomly create obstacles
nGeom = tc.minNumObstacles + randi(tc.maxNumObstacles - tc.minNumObstacles);
tc.obstacles = cell(nGeom, 1);
% Iterate over obstacles to initialize
for ii = 1:size(tc.obstacles, 1)
badCandidate = true;
while badCandidate
% Instantiate a rectangular prism obstacle inside the domain
tc.obstacles{ii} = rectangularPrism;
tc.obstacles{ii} = tc.obstacles{ii}.initializeRandom(REGION_TYPE.OBSTACLE, sprintf("Obstacle %d", ii), tc.minObstacleSize, tc.maxObstacleSize, tc.domain, tc.minAlt);
% Check if the obstacle collides with an existing obstacle
if ~tc.obstacleCollisionCheck(tc.obstacles(1:(ii - 1)), tc.obstacles{ii})
badCandidate = false;
end
end
end
% Add agents individually, ensuring that each addition does not
% invalidate the initialization setup
for ii = 1:size(tc.agents, 1)
initInvalid = true;
while initInvalid
candidatePos = [tc.domain.objective.groundPos, 0];
% Generate a random position for the agent based on
% existing agent positions
if ii == 1
while agentsCrowdObjective(tc.domain.objective, candidatePos, mean(tc.domain.dimensions) / 2)
candidatePos = tc.domain.random();
candidatePos(3) = min([tc.domain.maxCorner(3) * 0.95, tc.minAlt + rand * (tc.alphaDistMax * (1.1) - 0.5)]); % place agents at decent altitudes for sensing
end
else
candidatePos = tc.agents{randi(ii - 1)}.pos + sign(randn([1, 3])) .* (rand(1, 3) .* tc.commsRanges(ii)/sqrt(2));
candidatePos(3) = min([tc.domain.maxCorner(3) * 0.95, tc.minAlt + rand * (tc.alphaDistMax * (1.1) - 0.5)]); % place agents at decent altitudes for sensing
end
% Make sure that the candidate position is within the
% domain
if ~tc.domain.contains(candidatePos)
continue;
end
% Make sure that the candidate position does not crowd
% the sensing objective and create boring scenarios
if agentsCrowdObjective(tc.domain.objective, candidatePos, mean(tc.domain.dimensions) / 2)
continue;
end
% Make sure that there exist unobstructed lines of sight at
% appropriate ranges to form a connected communications
% graph between the agents
connections = false(1, ii - 1);
for jj = 1:(ii - 1)
if norm(tc.agents{jj}.pos - candidatePos) <= min(tc.commsRanges([ii, jj]))
% Check new agent position against all existing
% agent positions for communications range
connections(jj) = true;
for kk = 1:size(tc.obstacles, 1)
if tc.obstacles{kk}.containsLine(tc.agents{jj}.pos, candidatePos)
connections(jj) = false;
end
end
end
end
% New agent must be connected to an existing agent to
% be valid
if ii ~= 1 && ~any(connections)
continue;
end
% Initialize candidate agent collision geometry
% candidateGeometry = rectangularPrism;
% candidateGeometry = candidateGeometry.initialize([candidatePos - tc.collisionRanges(ii) * ones(1, 3); candidatePos + tc.collisionRanges(ii) * ones(1, 3)], REGION_TYPE.COLLISION);
candidateGeometry = spherical;
candidateGeometry = candidateGeometry.initialize(candidatePos, tc.collisionRanges(ii), REGION_TYPE.COLLISION);
% Initialize candidate agent sensor model
tc.sensor = rfSensor;
tilt = 0; azimuth = 0;
tc.sensor = tc.sensor.initialize(tc.P_TX * 1 + rand * 4, tc.BW, tc.f_c, tc.G_RX_dBi, tc.beamwidthExponent + randi(100), tilt, azimuth, tc.lossExponent);
% Initialize candidate agent
newAgent = tc.agents{ii}.initialize(candidatePos, candidateGeometry, tc.sensor, tc.commsRanges(ii), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
% Make sure candidate agent doesn't collide with
% domain
violation = false;
for jj = 1:size(newAgent.collisionGeometry.vertices, 1)
% Check if collision geometry exits domain
if ~tc.domain.contains(newAgent.collisionGeometry.vertices(jj, 1:3))
violation = true;
break;
end
end
if violation
continue;
end
% Make sure candidate doesn't collide with obstacles
violation = false;
for kk = 1:size(tc.obstacles, 1)
if geometryIntersects(tc.obstacles{kk}, newAgent.collisionGeometry)
violation = true;
break;
end
end
if violation
continue;
end
% Make sure candidate doesn't collide with existing
% agents
violation = false;
for kk = 1:(ii - 1)
if geometryIntersects(tc.agents{kk}.collisionGeometry, newAgent.collisionGeometry)
violation = true;
break;
end
end
% Make sure candidate clears domain floor
if newAgent.pos(3) - newAgent.collisionGeometry.radius <= tc.minAlt
violation = true;
end
if violation
continue;
end
% Candidate agent is valid, store to pass in to sim
initInvalid = false;
tc.agents{ii} = newAgent;
end
end
% Initialize the simulation
tc.optimizeSensorPointing = true;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
% Write out initialization state
tc.testClass.writeInits();
% Run simulation loop
tc.testClass = tc.testClass.run();
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
end
function miSim_run(tc)
% randomly create obstacles
@@ -472,7 +312,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.sensor = tc.sensor.initialize(tc.alphaDistMin + rand * (tc.alphaDistMax - tc.alphaDistMin), tc.betaDistMin + rand * (tc.betaDistMax - tc.betaDistMin), tc.alphaTiltMin + rand * (tc.alphaTiltMax - tc.alphaTiltMin), tc.betaTiltMin + rand * (tc.betaTiltMax - tc.betaTiltMin));
% Initialize candidate agent
newAgent = tc.agents{ii}.initialize(candidatePos, candidateGeometry, tc.sensor, tc.commsRanges(ii), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
newAgent = tc.agents{ii}.initialize(candidatePos, candidateGeometry, tc.sensor, tc.commsRanges(ii), tc.maxIter, tc.initialStepSize);
% Make sure candidate agent doesn't collide with
% domain
@@ -526,7 +366,7 @@ classdef test_miSim < matlab.unittest.TestCase
end
% Initialize the simulation
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Write out initialization state
tc.testClass.writeInits();
@@ -552,15 +392,15 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.commsRanges = 3 * d * ones(size(tc.agents));
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + [d, 0, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - [d, 0, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{3} = tc.agents{3}.initialize(tc.domain.center - [0, d, 0], geometry3, tc.sensor, tc.commsRanges(3), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + [d, 0, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - [d, 0, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize);
tc.agents{3} = tc.agents{3}.initialize(tc.domain.center - [0, d, 0], geometry3, tc.sensor, tc.commsRanges(3), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.obstacles = cell(0, 1);
tc.makePlots = false;
tc.makeVideo = false;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
centerIdx = floor(size(tc.testClass.partitioning, 1) / 2);
tc.verifyEqual(tc.testClass.partitioning(centerIdx, centerIdx:(centerIdx + 2)), [2, 3, 1]); % all three near center
@@ -579,13 +419,13 @@ classdef test_miSim < matlab.unittest.TestCase
tc.sensor = tc.sensor.initialize(tc.minDimension / 2, 3, 20, 3);
% Initialize agents
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2), 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2), 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.obstacles = cell(0, 1);
tc.makePlots = false;
tc.makeVideo = false;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
close(tc.testClass.fPerf);
tc.verifyEqual(unique(tc.testClass.partitioning), [0; 1]);
@@ -597,7 +437,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [7, 6]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, 1e-6, [7, 6]);
% Initialize agent collision geometry
tc.agents = {agent};
@@ -609,129 +449,14 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.maxIter = 75;
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.obstacles = cell(0, 1);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Run the simulation
tc.testClass = tc.testClass.run();
end
function test_single_agent_gradient_ascent_tilted(tc)
% make basic domain
tc.minDimension = 10; % domain size
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [7, 6]);
% Initialize agent collision geometry
tc.agents = {agent};
geometry1 = spherical;
geometry1 = geometry1.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], tc.collisionRanges(1), REGION_TYPE.COLLISION);
% Initialize agent sensor model with fixed parameters
tc.sensor = tc.sensor.initialize(tc.minDimension / 2, 3, 20, 3, 25, 155);
% Initialize agents
tc.maxIter = 75;
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
% Initialize the simulation
tc.obstacles = cell(0, 1);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
% Run the simulation
tc.testClass = tc.testClass.run();
end
function test_single_agent_gradient_ascent_tilted_RF_sensor(tc)
% make basic domain
tc.minDimension = 10; % domain size
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.sinrPartitioningMin, [7, 6]);
% Initialize agent collision geometry
tc.agents = {agent};
geometry1 = spherical;
geometry1 = geometry1.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], tc.collisionRanges(1), REGION_TYPE.COLLISION);
tc.sensor = rfSensor;
tc.sensor = tc.sensor.initialize(tc.P_TX, tc.BW, tc.f_c, tc.G_RX_dBi, tc.beamwidthExponent, 45, 45, tc.lossExponent);
% Initialize agents
tc.maxIter = 75;
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
% Initialize the simulation
tc.obstacles = cell(0, 1);
tc.minAlt = 0.5;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
% Run the simulation
tc.testClass = tc.testClass.run();
end
function test_single_agent_gradient_ascent_sensor_pointing(tc)
% make basic domain
tc.minDimension = 10; % domain size
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [7, 6]);
% Initialize agent collision geometry
tc.agents = {agent};
geometry1 = spherical;
geometry1 = geometry1.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], tc.collisionRanges(1), REGION_TYPE.COLLISION);
% Initialize agent sensor model with fixed parameters
tc.sensor = tc.sensor.initialize(tc.minDimension / 2, 3, 20, 3);
% Initialize agents
tc.maxIter = 75;
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
% Initialize the simulation
tc.optimizeSensorPointing = true;
tc.obstacles = cell(0, 1);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
% Run the simulation
tc.testClass = tc.testClass.run();
end
function test_single_agent_gradient_ascent_rf_sensor_pointing(tc)
% make basic domain
tc.minDimension = 10; % domain size
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.sinrPartitioningMin, [7, 6]);
% Initialize agent collision geometry
tc.agents = {agent};
geometry1 = spherical;
geometry1 = geometry1.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], tc.collisionRanges(1), REGION_TYPE.COLLISION);
% Initialize agent sensor model
tc.sensor = rfSensor;
tc.sensor = tc.sensor.initialize(tc.P_TX, tc.BW, tc.f_c, tc.G_RX_dBi, tc.beamwidthExponent, 0, 0, tc.lossExponent);
% Initialize agents
tc.maxIter = 75;
tc.agents{1} = tc.agents{1}.initialize([tc.domain.center(1:2)-tc.domain.dimensions(1)/4, 3], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
% Initialize the simulation
tc.optimizeSensorPointing = true;
tc.obstacles = cell(0, 1);
tc.minAlt = 0.5;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
% Run the simulation
tc.testClass = tc.testClass.run();
end
tc.testClass = tc.testClass.run();end
function test_collision_avoidance(tc)
% No obstacles
% Fixed agent initial conditions
@@ -741,7 +466,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([3, 7]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [3, 7]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([3, 7]), tc.domain, tc.discretizationStep, tc.protectedRange, 1e-6, [3, 7]);
% Initialize agent collision geometry
tc.agents = {agent; agent};
@@ -758,12 +483,12 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.maxIter = 25;
tc.commsRanges = 5 * ones(size(tc.agents));
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + d, geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - d, geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + d, geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - d, geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.obstacles = cell(0, 1);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Run the simulation
tc.testClass.run();
@@ -779,7 +504,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5.2195]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5.2195]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5.2195]), tc.domain, tc.discretizationStep, tc.protectedRange, 1e-6, [8, 5.2195]);
% Initialize agent collision geometry
tc.agents = {agent; agent;};
@@ -805,11 +530,11 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.commsRanges = (2 * tc.collisionRanges(1) + obstacleLength) * 0.9 * ones(size(tc.agents)); % defined such that they cannot go around the obstacle on both sides
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center - d + [0, tc.collisionRanges(1) * 1.1 - yOffset, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - d - [0, tc.collisionRanges(2) *1.1 + yOffset, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center - d + [0, tc.collisionRanges(1) * 1.1 - yOffset, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - d - [0, tc.collisionRanges(2) *1.1 + yOffset, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Run the simulation
tc.testClass.run();
@@ -845,11 +570,11 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.maxIter = 50;
tc.commsRanges = 4 * ones(size(tc.agents)); % defined such that they cannot reach their objective without breaking connectivity
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + d, geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - d, geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + d, geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - d, geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Run the simulation
tc.testClass = tc.testClass.run();
@@ -863,7 +588,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.domain = tc.domain.initialize([zeros(1, 3); tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, 1e-6, [8, 5]);
% Initialize agent collision geometry
tc.agents = {agent; agent;};
@@ -880,8 +605,8 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.maxIter = 125;
tc.commsRanges = 5 * ones(size(tc.agents));
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center - [d, 0, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - [0, d, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center - [d, 0, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center - [0, d, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize);
% Initialize obstacles
obstacleLength = 1.5;
@@ -892,7 +617,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.minAlt = 0;
tc.makePlots = false;
tc.makeVideo = false;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Communications link should be established
tc.assertEqual(tc.testClass.adjacency, logical(true(2)));
@@ -908,7 +633,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.domain = tc.domain.initialize([zeros(1, 3);tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, 1e-6, [8, 5]);
% Initialize agent collision geometry
tc.agents = {agent; agent; agent; agent; agent;};
@@ -927,17 +652,17 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.maxIter = 125;
tc.commsRanges = ones(size(tc.agents));
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + [d, 0, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center, geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{3} = tc.agents{3}.initialize(tc.domain.center + [-d, d, 0], geometry3, tc.sensor, tc.commsRanges(3), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{4} = tc.agents{4}.initialize(tc.domain.center + [-2*d, d, 0], geometry4, tc.sensor, tc.commsRanges(4), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{5} = tc.agents{5}.initialize(tc.domain.center + [0, d, 0], geometry5, tc.sensor, tc.commsRanges(5), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + [d, 0, 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center, geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize);
tc.agents{3} = tc.agents{3}.initialize(tc.domain.center + [-d, d, 0], geometry3, tc.sensor, tc.commsRanges(3), tc.maxIter, tc.initialStepSize);
tc.agents{4} = tc.agents{4}.initialize(tc.domain.center + [-2*d, d, 0], geometry4, tc.sensor, tc.commsRanges(4), tc.maxIter, tc.initialStepSize);
tc.agents{5} = tc.agents{5}.initialize(tc.domain.center + [0, d, 0], geometry5, tc.sensor, tc.commsRanges(5), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.minAlt = 0;
tc.makePlots = false;
tc.makeVideo = false;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Constraint adjacency matrix defined by LNA should be as follows
tc.assertEqual(tc.testClass.constraintAdjacencyMatrix, logical( ...
@@ -958,7 +683,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.domain = tc.domain.initialize([zeros(1, 3); tc.minDimension* ones(1, 3)], REGION_TYPE.DOMAIN, "Domain");
% make basic sensing objective
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, 1e-6, [8, 5]);
% Initialize agent collision geometry
tc.agents = {agent; agent; agent; agent; agent; agent; agent;};
@@ -979,19 +704,19 @@ classdef test_miSim < matlab.unittest.TestCase
% Initialize agents
tc.maxIter = 125;
tc.commsRanges = d * ones(size(tc.agents));
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + [-0.9 * d/sqrt(2), 0.9 * d/sqrt(2), 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center + [-0.5 * d, 0.25 * d, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{3} = tc.agents{3}.initialize(tc.domain.center + [0.9 * d, 0, 0], geometry3, tc.sensor, tc.commsRanges(3), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{4} = tc.agents{4}.initialize(tc.domain.center + [0.9 * d/sqrt(2), -0.9 * d/sqrt(2), 0], geometry4, tc.sensor, tc.commsRanges(4), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{5} = tc.agents{5}.initialize(tc.domain.center + [0, 0.9 * d, 0], geometry5, tc.sensor, tc.commsRanges(5), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{6} = tc.agents{6}.initialize(tc.domain.center, geometry6, tc.sensor, tc.commsRanges(6), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{7} = tc.agents{7}.initialize(tc.domain.center + [d/2, d/2, 0], geometry7, tc.sensor, tc.commsRanges(7), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
tc.agents{1} = tc.agents{1}.initialize(tc.domain.center + [-0.9 * d/sqrt(2), 0.9 * d/sqrt(2), 0], geometry1, tc.sensor, tc.commsRanges(1), tc.maxIter, tc.initialStepSize);
tc.agents{2} = tc.agents{2}.initialize(tc.domain.center + [-0.5 * d, 0.25 * d, 0], geometry2, tc.sensor, tc.commsRanges(2), tc.maxIter, tc.initialStepSize);
tc.agents{3} = tc.agents{3}.initialize(tc.domain.center + [0.9 * d, 0, 0], geometry3, tc.sensor, tc.commsRanges(3), tc.maxIter, tc.initialStepSize);
tc.agents{4} = tc.agents{4}.initialize(tc.domain.center + [0.9 * d/sqrt(2), -0.9 * d/sqrt(2), 0], geometry4, tc.sensor, tc.commsRanges(4), tc.maxIter, tc.initialStepSize);
tc.agents{5} = tc.agents{5}.initialize(tc.domain.center + [0, 0.9 * d, 0], geometry5, tc.sensor, tc.commsRanges(5), tc.maxIter, tc.initialStepSize);
tc.agents{6} = tc.agents{6}.initialize(tc.domain.center, geometry6, tc.sensor, tc.commsRanges(6), tc.maxIter, tc.initialStepSize);
tc.agents{7} = tc.agents{7}.initialize(tc.domain.center + [d/2, d/2, 0], geometry7, tc.sensor, tc.commsRanges(7), tc.maxIter, tc.initialStepSize);
% Initialize the simulation
tc.minAlt = 0;
tc.makePlots = false;
tc.makeVideo = false;
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.testClass = tc.testClass.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, tc.makePlots, tc.makeVideo, tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Constraint adjacency matrix defined by LNA should be as follows
tc.assertEqual(tc.testClass.constraintAdjacencyMatrix, logical( ...
@@ -1071,7 +796,7 @@ classdef test_miSim < matlab.unittest.TestCase
tc.alphaTiltMin + rand * (tc.alphaTiltMax - tc.alphaTiltMin), ...
tc.betaTiltMin + rand * (tc.betaTiltMax - tc.betaTiltMin));
newAgent = agent;
newAgent = newAgent.initialize(candidatePos, geom, tc.sensor, tc.commsRanges(ii), tc.maxIter, tc.initialStepSize, tc.initialMaxAngleStepSize);
newAgent = newAgent.initialize(candidatePos, geom, tc.sensor, tc.commsRanges(ii), tc.maxIter, tc.initialStepSize);
% Domain / obstacle / agent collision checks
violation = false;
@@ -1106,7 +831,7 @@ classdef test_miSim < matlab.unittest.TestCase
sim1 = miSim;
sim1 = sim1.initialize(tc.domain, tc.agents, tc.barrierGain, tc.barrierExponent, ...
tc.minAlt, tc.timestep, tc.maxIter, tc.obstacles, false, false, ...
tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology, tc.optimizeSensorPointing);
tc.useDoubleIntegrator, tc.dampingCoeff, tc.useFixedTopology);
% Write inits and build file path
sim1.writeInits();
-170
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@@ -1,170 +0,0 @@
classdef test_rfSensor < matlab.unittest.TestCase
properties (Access = private)
% System under test
testClass = sigmoidSensor;
end
methods (TestMethodSetup)
function tc = setup(tc)
% Reinitialize sensor with random parameters
tc.testClass = rfSensor;
end
end
methods (Test)
function plot_RSS(tc)
% Plot sensor performance with no sources of interference
P_TX = 1e-3; % Transmit power (Watts)
BW = 20e6; % Bandwidth (Hz)
f_c = 2e9; % Center frequency (Hz)
G_RX_dBi = 3; % Receiving Antenna Gain (dBi)
beamwidthExponent = 6;
lossExponent = 2;
tc.testClass = tc.testClass.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 0, 0, lossExponent);
tc.testClass.plotParameters();
end
function plot_SNR(tc)
% Plot sensor performance with no sources of interference
P_TX = 1e-3; % Transmit power (Watts)
BW = 20e6; % Bandwidth (Hz)
f_c = 2e9; % Center frequency (Hz)
G_RX_dBi = 3; % Receiving Antenna Gain (dBi)
beamwidthExponent = 6;
lossExponent = 2;
tc.testClass = tc.testClass.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 30, 135, lossExponent);
altitude = 30;
% Boresight azimuth=135° (between +X at 90° and -Y at 180°) hotspot at +X,-Y.
% SNR at (5,-5) should be higher than at (5,+5).
agentPos = [0, 0, altitude];
[~, snrA] = tc.testClass.sensorPerformance(agentPos, [5, -5, 0]);
% tc.testClass = tc.testClass.clearRssCache();
[~, snrB] = tc.testClass.sensorPerformance(agentPos, [5, 5, 0]);
tc.assertGreaterThan(snrA, snrB, "SNR should be higher toward boresight (+X,-Y) than away from it (+X,+Y)");
tc.testClass.plotPerformance(altitude);
end
function plot_SINR_one_interferer(tc)
% Plot sensor performance with no sources of interference
P_TX = 1e-3; % Transmit power (Watts)
BW = 20e6; % Bandwidth (Hz)
f_c = 2e9; % Center frequency (Hz)
G_RX_dBi = 3; % Receiving Antenna Gain (dBi)
beamwidthExponent = 6;
lossExponent = 2;
tc.testClass = tc.testClass.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 0, 0, lossExponent);
altitude = 30;
otherSensorsPos = [6, -4, -1]; % relative to main sensor
otherSensors = cell(1, 1);
otherSensors{1} = tc.testClass; % One interfering sensor, identical to the main sensor
tc.testClass.plotPerformance(altitude, otherSensorsPos, otherSensors);
end
function plot_SINR_heterogenous_interferers(tc)
% Plot sensor performance with no sources of interference
P_TX = 1e-3; % Transmit power (Watts)
BW = 20e6; % Bandwidth (Hz)
f_c = 2e9; % Center frequency (Hz)
G_RX_dBi = 3; % Receiving Antenna Gain (dBi)
beamwidthExponent = 6;
lossExponent = 2;
tc.testClass = tc.testClass.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 0, 0, lossExponent);
altitude = 30;
otherSensorsPos = [6, -4, -1; -2, 6, 0]; % relative to main sensor
otherSensors = cell(2, 1);
otherSensors{1} = rfSensor; % two heterogenous interfering sensors
otherSensors{2} = rfSensor;
% Must use same center frequency and bandwidth for interference sources
otherSensors{1} = otherSensors{1}.initialize(10 * P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 0, 0, lossExponent);
otherSensors{2} = otherSensors{2}.initialize(10 * P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 0, 0, lossExponent);
tc.testClass.plotPerformance(altitude, otherSensorsPos, otherSensors);
end
function plot_SINR_heterogenous_interferers_efficiently(tc)
P_TX = 1e-3;
BW = 20e6;
f_c = 2e9;
G_RX_dBi = 3;
altitude = 30;
beamwidthExponent = [6, 4, 10];
lossExponent = 2;
sensor1 = rfSensor;
sensor1 = sensor1.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent(1), 15, 45, lossExponent);
sensor2 = rfSensor;
sensor2 = sensor2.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent(2), 10, 150, lossExponent);
sensor3 = rfSensor;
sensor3 = sensor3.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent(3), 20, 200, lossExponent);
pos1 = [0, 0, altitude];
pos2 = [6, -4, altitude - 1];
pos3 = [-2, 6, altitude];
% Build a shared target grid
distances = -15:0.25:15;
[Xg, Yg] = meshgrid(distances, distances);
targetPos = [Xg(:), Yg(:), zeros(numel(Xg), 1)];
% Call 1: cache empty, does all computations for this timestep
[~, ~, sensor1, others] = sensor1.sensorPerformance(pos1, targetPos, [pos2; pos3], {sensor2; sensor3});
sensor2 = others{1};
sensor3 = others{2};
% Calls 2 and 3 use cached data
[~, ~, sensor2, others] = sensor2.sensorPerformance(pos2, targetPos, [pos1; pos3], {sensor1; sensor3});
sensor1 = others{1};
sensor3 = others{2};
[~, ~, sensor3, ~] = sensor3.sensorPerformance(pos3, targetPos, [pos1; pos2], {sensor1; sensor2});
% All caches should be populated after the three calls
tc.assertNotEmpty(sensor1.rssCache);
tc.assertNotEmpty(sensor2.rssCache);
tc.assertNotEmpty(sensor3.rssCache);
% Plot SINR from each UAV's perspective.
% otherSensorsPos for plotPerformance: XY = offset from calling sensor, Z = absolute_alt - calling_alt.
% This is exactly posOther - posSelf for each row.
sensor1.plotPerformance(pos1(3), [pos2 - pos1; pos3 - pos1], {sensor2; sensor3});
sensor2.plotPerformance(pos2(3), [pos1 - pos2; pos3 - pos2], {sensor1; sensor3});
sensor3.plotPerformance(pos3(3), [pos1 - pos3; pos2 - pos3], {sensor1; sensor2});
end
function plot_SINR_heterogenous_interferers_3d(tc)
P_TX = 1e-3;
BW = 20e6;
f_c = 2e9;
G_RX_dBi = 3;
altitude = 30;
beamwidthExponent = [50, 20, 200];
lossExponent = 2;
sensor1 = rfSensor;
sensor1 = sensor1.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent(1), 15, 45, lossExponent);
sensor2 = rfSensor;
sensor2 = sensor2.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent(2), 10, 150, lossExponent);
sensor3 = rfSensor;
sensor3 = sensor3.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent(3), 20, 200, lossExponent);
pos1 = [0, 0, altitude];
pos2 = [6, -4, altitude - 5];
pos3 = [-2, 6, altitude + 10];
% Plot SINR from each UAV's perspective.
% otherSensorsPos for plotPerformance: XY = offset from calling sensor, Z = absolute_alt - calling_alt.
% This is exactly posOther - posSelf for each row.
sensor1.plot(pos1(3), [pos2 - pos1; pos3 - pos1], {sensor2; sensor3});
sensor2.plot(pos2(3), [pos1 - pos2; pos3 - pos2], {sensor1; sensor3});
sensor3.plot(pos3(3), [pos1 - pos3; pos2 - pos3], {sensor1; sensor2});
end
end
end
+1
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@@ -13,6 +13,7 @@ function f = objectiveFunctionWrapper(center, sigma)
if size(sigma, 1) == 1 && size(center, 1) > 1
sigma = repmat(sigma, size(center, 1), 1, 1);
end
assert(size(center, 1) == size(sigma, 1));
f = @(x,y) sum(cell2mat(arrayfun(@(i) mvnpdf([x(:), y(:)], center(i,:), squeeze(sigma(i, :, :))), 1:size(center,1), "UniformOutput", false)), 2);
end
+2 -2
View File
@@ -1,11 +1,11 @@
function mustBeSensor(sensorModel)
if isa(sensorModel, 'cell')
for ii = 1:size(sensorModel, 1)
assert(isa(sensorModel{ii}, 'sigmoidSensor', 'rfSensor'), ...
assert(isa(sensorModel{ii}, 'sigmoidSensor'), ...
'Sensor in index %d is not a valid sensor class', ii);
end
else
assert(isa(sensorModel, 'sigmoidSensor') || isa(sensorModel, 'rfSensor'), ...
assert(isa(sensorModel, 'sigmoidSensor'), ...
'Sensor is not a valid sensor class');
end
end