We built an RC low-pass filter with a 430 Ohm resistor and 2.2E-4 Farad capacitor. This should produce a 1st order system with a w_cutoff of 10.6 Hz. Below is our input and output plotted, which was submitted to TFestimate and produced the given Bode plots:
RC, Arduino, Matlab input/output
Blue: input white noise, Red: RC voltage output
Bode from TFestimate
Notice w_c on magnitude plot
Blue: input white noise, Red: RC voltage output
Bode from TFestimate
Notice w_c on magnitude plot
Trouble w/Phase response....
As far as the phase response goes, we did not get anywhere close to good results. This was much in part due to the delays in the Arduino and MATLAB.
As far as the phase response goes, we did not get anywhere close to good results. This was much in part due to the delays in the Arduino and MATLAB.
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