add spindle disturbance measurements

disturbance-measurement/analysis.m

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+data1 = load('mat/data_001.mat', 't', 'x1', 'x2');
+data2 = load('mat/data_002.mat', 't', 'x1', 'x2');
+
+figure;
+hold on;
+plot(data1.t, data1.x1);
+plot(data2.t, data2.x1);
+hold off;
+
+figure;
+hold on;
+plot(data1.t, data1.x2);
+plot(data2.t, data2.x2);
+hold off;s

disturbance-measurement/readme.org

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+Measurement:
+- one geophone on the marble
+- one geophone at the sample position
+
+Every stage is powered on.
+
+|data_001.mat|nothing is turning|
+|data_002.mat|spindle is turning at 1rpm|

disturbance-measurement/run_test.m

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+tg = slrt;
+
+%% TODO - Build this application if updated
+
+%%
+if tg.Connected == "Yes"
+    if tg.Status == "stopped"
+        %% Load the application
+        tg.load('disturbance_measurement');
+
+        %% Run the application
+        tg.start;
+        pause(300);
+        tg.stop;
+
+        %% Load the data
+        f = SimulinkRealTime.openFTP(tg);
+        cd(f, 'data/disturbance_measurement/');
+        mget(f, 'data_001.dat', 'data');
+        close(f);
+    end
+end
+
+data = SimulinkRealTime.utils.getFileScopeData('data/data_001.dat').data;
+
+size(data)
+
+t  = data(:, end);
+x1 = data(:, 1);
+x2 = data(:, 2);
+
+save('mat/data_002.mat', 't', 'x1', 'x2');
+
+%% Plot the data
+figure;
+hold on;
+plot(t, x1);
+plot(t, x2);
+hold off
+xlabel('Time [s]');
+ylabel('Voltage [V]');
+
+%%
+figure;
+hold on;
+plot(t, x1-x2);
+hold off
+xlabel('Time [s]');
+ylabel('Voltage [V]');