How to fix this one? I use PI controller. please give a suggestion on this matter?
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![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/497518/image.jpeg)
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Mathieu NOE
le 27 Jan 2021
hello
I put a simple regular PI and it works
output (blue) tracks input (yellow) without too much delay (upper subplot)
PI output is plotted below
see attached
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/501548/image.png)
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Mathieu NOE
le 1 Fév 2021
hello
you simply had to specify in the ramp block : initial output = 2
so your system input signal start with 2 and not zero
see attached
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