Question about the pulse generator block in Simulink affecting output amplitude
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I am making a PID controller with disturbances added into it in simulink. I am using the pulse generator block to model distrubances. When I change the period in the block parameters the amplitude in my output graph changes and I am not sure why this is happening. Could anyone explain to me why changing the period affects the amplutide of my output. For example, when I have my period set to 3 seconds the amplitude of my output graph is between 0 and .45, but when i change it to 10 the amplitude jumps to 0 and 4.5.
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Sai Teja Paidimarri
2020 年 6 月 18 日
Hi Macabe Banchero,
PID controller stands for proportional, integral, derivative. These 3 options are present inside PID Simulink block.
Amplitude of output remains unaffected if you select proportional frequency/time-period. It will change in case of derivative or integral with respect to time-period/frequency of input (here pulse generator block).
For example, consider f(t) = sin(t^2) as input and output is f(x) = 2*t*sin(t^2) which derivative of function f(x) where amplitude has changed with respect to time.
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