MATLAB: Nonlinear bode plot to linear approximation bode plot

bode plotControl System Toolbox

Hi,

I have nonlinear bode plot response. I want to know approximation bode plot in order to get transfer funtion of system.Please suggest me any matlab code.

regards,

srinivas.

Best Answer

Have a look here:

https://www.mathworks.com/help/ident/examples/frequency-domain-identification-estimating-models-using-frequency-domain-data.html?prodcode=ID&language=en

Get back in case you get stuck somewhere.

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