full simulation with RF sensors

This commit is contained in:
2026-05-08 13:07:03 -07:00
parent 030dd30c7d
commit 78f9dcd579
12 changed files with 312 additions and 87 deletions
+172 -30
View File
@@ -44,6 +44,8 @@ classdef test_miSim < matlab.unittest.TestCase
collisionRanges = NaN;
% Sensing
sensor = sigmoidSensor;
% sigmoidSensor
betaDistMin = 3;
betaDistMax = 15;
betaTiltMin = 3;
@@ -52,7 +54,15 @@ classdef test_miSim < matlab.unittest.TestCase
alphaDistMax = 3;
alphaTiltMin = 15; % degrees
alphaTiltMax = 30; % degrees
sensor = sigmoidSensor;
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;
% Communications
useFixedTopology = false;
@@ -231,6 +241,154 @@ classdef test_miSim < matlab.unittest.TestCase
% 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();
end
function miSim_run(tc)
% randomly create obstacles
nGeom = tc.minNumObstacles + randi(tc.maxNumObstacles - tc.minNumObstacles);
@@ -439,7 +597,7 @@ 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, 1e-6, [7, 6]);
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};
@@ -466,7 +624,7 @@ 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, 1e-6, [7, 6]);
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};
@@ -493,24 +651,15 @@ 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
minimumSINR = 50; % (dB)
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, minimumSINR, [7, 6]);
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 with fixed parameters
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.sensor = rfSensor;
tc.sensor = tc.sensor.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 45, 45, lossExponent);
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;
@@ -530,7 +679,7 @@ 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, 1e-6, [7, 6]);
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};
@@ -558,24 +707,17 @@ 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
minimumSINR = 50; % (dB)
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([7, 6]), tc.domain, tc.discretizationStep, tc.protectedRange, minimumSINR, [7, 6]);
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 with fixed parameters
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;
% Initialize agent sensor model
tc.sensor = rfSensor;
tc.sensor = tc.sensor.initialize(P_TX, BW, f_c, G_RX_dBi, beamwidthExponent, 0, 0, lossExponent);
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;
@@ -599,7 +741,7 @@ 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, 1e-6, [3, 7]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([3, 7]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [3, 7]);
% Initialize agent collision geometry
tc.agents = {agent; agent};
@@ -637,7 +779,7 @@ 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, 1e-6, [8, 5.2195]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5.2195]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5.2195]);
% Initialize agent collision geometry
tc.agents = {agent; agent;};
@@ -721,7 +863,7 @@ 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, 1e-6, [8, 5]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5]);
% Initialize agent collision geometry
tc.agents = {agent; agent;};
@@ -766,7 +908,7 @@ 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, 1e-6, [8, 5]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5]);
% Initialize agent collision geometry
tc.agents = {agent; agent; agent; agent; agent;};
@@ -816,7 +958,7 @@ 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, 1e-6, [8, 5]);
tc.domain.objective = tc.domain.objective.initialize(objectiveFunctionWrapper([8, 5]), tc.domain, tc.discretizationStep, tc.protectedRange, tc.opticalPartitioningMin, [8, 5]);
% Initialize agent collision geometry
tc.agents = {agent; agent; agent; agent; agent; agent; agent;};