diff --git a/resources/project/FI0gxbH-PhwjE_riDQGHPyYMHks/AmJAKvt15XQGz6JdpTsYHCBwsj0d.xml b/resources/project/FI0gxbH-PhwjE_riDQGHPyYMHks/AmJAKvt15XQGz6JdpTsYHCBwsj0d.xml
new file mode 100644
index 0000000..378b613
--- /dev/null
+++ b/resources/project/FI0gxbH-PhwjE_riDQGHPyYMHks/AmJAKvt15XQGz6JdpTsYHCBwsj0d.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Info>
+    <Category UUID="FileClassCategory">
+        <Label UUID="test"/>
+    </Category>
+</Info>
\ No newline at end of file
diff --git a/resources/project/FI0gxbH-PhwjE_riDQGHPyYMHks/AmJAKvt15XQGz6JdpTsYHCBwsj0p.xml b/resources/project/FI0gxbH-PhwjE_riDQGHPyYMHks/AmJAKvt15XQGz6JdpTsYHCBwsj0p.xml
new file mode 100644
index 0000000..fc6006c
--- /dev/null
+++ b/resources/project/FI0gxbH-PhwjE_riDQGHPyYMHks/AmJAKvt15XQGz6JdpTsYHCBwsj0p.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Info location="test_sigmoidSensor.m" type="File"/>
\ No newline at end of file
diff --git a/sensingModels/@sigmoidSensor/initialize.m b/sensingModels/@sigmoidSensor/initialize.m
index 7938fa8..04cd77b 100644
--- a/sensingModels/@sigmoidSensor/initialize.m
+++ b/sensingModels/@sigmoidSensor/initialize.m
@@ -11,7 +11,7 @@ function obj = initialize(obj, alphaDist, betaDist, alphaPan, betaPan, alphaTilt
     arguments (Output)
         obj (1, 1) {mustBeA(obj, 'sigmoidSensor')}
     end
-
+    
     obj.alphaDist = alphaDist;
     obj.betaDist = betaDist;
     obj.alphaPan = alphaPan;
diff --git a/test/test_miSim.m b/test/test_miSim.m
index f79614a..9986c88 100644
--- a/test/test_miSim.m
+++ b/test/test_miSim.m
@@ -1,5 +1,6 @@
 classdef test_miSim < matlab.unittest.TestCase
     properties (Access = private)
+        % System under test
         testClass = miSim;
 
         % Sim
diff --git a/test/test_sigmoidSensor.m b/test/test_sigmoidSensor.m
new file mode 100644
index 0000000..676aac7
--- /dev/null
+++ b/test/test_sigmoidSensor.m
@@ -0,0 +1,50 @@
+classdef test_sigmoidSensor < matlab.unittest.TestCase
+    properties (Access = private)
+        % System under test
+        testClass = sigmoidSensor;
+
+        % Domain
+        domain = rectangularPrism;
+
+        % Sensor parameter ranges
+        betaDistMin = 3;
+        betaDistMax = 15;
+        betaTiltMin = 3;
+        betaTiltMax = 15;
+        alphaDistMin = 2.5;
+        alphaDistMax = 3;
+        alphaTiltMin = deg2rad(15);
+        alphaTiltMax = deg2rad(30);
+    end
+
+    methods (TestMethodSetup)
+        function tc = setup(tc)
+            % Reinitialize sensor with random parameters
+            tc.testClass = sigmoidSensor;
+            tc.testClass = tc.testClass.initialize(tc.alphaDistMin + rand * (tc.alphaDistMax - tc.alphaDistMin), tc.betaDistMin + rand * (tc.betaDistMax - tc.betaDistMin), NaN, NaN, tc.alphaTiltMin + rand * (tc.alphaTiltMax - tc.alphaTiltMin), tc.betaTiltMin + rand * (tc.betaTiltMax - tc.betaTiltMin));
+        end
+    end
+
+    methods (Test)
+        % Test methods
+        function test_sensorPerformance(tc)
+            tc.testClass = sigmoidSensor;
+            alphaDist = 2.5;
+            betaDist = 3;
+            alphaTilt = deg2rad(15);
+            betaTilt = 3;
+            tc.testClass = tc.testClass.initialize(alphaDist, betaDist, NaN, NaN, alphaTilt, betaTilt);
+
+            % Performance at current position should be maximized (1)
+            % some wiggle room is needed for certain parameter conditions,
+            % e.g. small alphaDist and betaDist produce mu_d slightly < 1
+            tc.verifyEqual(tc.testClass.sensorPerformance(zeros(1, 3), NaN, 0, zeros(1, 3)), 1, 'AbsTol', 1e-3); 
+            % It looks like mu_t can max out at really low values like 0.37
+            % when alphaTilt and betaTilt are small, which seems wrong
+
+            % Performance at distance alphaDist should be 1/2
+            tc.verifyEqual(tc.testClass.sensorPerformance([0, 0, alphaDist], NaN, 0, [0, 0, 0]), 1/2, 'AbsTol', 1e-3);
+        end
+    end
+
+end
\ No newline at end of file