Create Matlab file / Tangle scripts / Add CSS

matlab/runtest.m

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+tg = slrt;
+
+%%
+f = SimulinkRealTime.openFTP(tg);
+mget(f, 'apa95ml.dat', 'data');
+close(f);
+
+%% Convert the Data
+data = SimulinkRealTime.utils.getFileScopeData('data/apa95ml.dat').data;
+
+V_in = data(:, 1);
+V_out = data(:, 2);
+t = data(:, 3);
+
+%% Save Data
+save('mat/cedrat_la75b_med_3_stack.mat', 't', 'V_in', 'V_out');
+
+%%
+run setup;
+
+win = hann(ceil(10/Ts));
+
+[tf_est, f] = tfestimate(V_in, V_out, win, [], [], 1/Ts);
+[co_est, ~] = mscohere(V_in, V_out, win, [], [], 1/Ts);
+
+%%
+figure;
+
+hold on;
+plot(f, co_est, 'k-')
+set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'lin');
+ylabel('Coherence'); xlabel('Frequency [Hz]');
+hold off;
+
+%%
+figure;
+ax1 = subplot(2, 1, 1);
+hold on;
+plot(f, abs(tf_est), 'k-', 'DisplayName', 'Identified')
+set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'log');
+ylabel('Amplitude'); xlabel('Frequency [Hz]');
+hold off;
+
+ax2 = subplot(2, 1, 2);
+hold on;
+plot(f, 180/pi*unwrap(angle(tf_est)), 'k-')
+set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'lin');
+ylabel('Phase'); xlabel('Frequency [Hz]');
+hold off;
+
+linkaxes([ax1,ax2], 'x');
+xlim([10, 5000]);
+
+%%
+run setup;
+
+win = hann(ceil(1/Ts));
+
+[tf_est, f] = tfestimate(u, um, win, [], [], 1/Ts);
+[co_est, ~] = mscohere(u, um, win, [], [], 1/Ts);

matlab/setup.m

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+s = tf('s');
+Ts = 1e-4;
+
+Glpf = 1/(1 + s/2/pi/500);
+
+Gz = c2d(Glpf, Ts, 'tustin');