Optimization of transfer function

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ravi teja
ravi teja 2022-2-21
评论： ravi teja 2022-2-21
This is my transfer function
y = (2*C_p*s + G_p*R_w + C_p*R_w*s)/(2*C_p*s) - ((R_w/2 + (L*(2*C_p*s + G_p*R_w + C_p*R_w*s))/(2*C_p*(C*L*s^2 + G*L*s + 1)))*(G1_p + C1_p*s))/(C1_p*s)
I need to optimise this function with the data.
I have Data in Freq vs magnitude and freq vs phase
it would be helpful if some one can help me on how it can be done
  2 个评论
Walter Roberson
Walter Roberson 2022-2-21
What do you mean by "optimize" for this purpose?
ravi teja
ravi teja 2022-2-21
I need to find R_w L C G C_p G_p C1_p G1_p these parameter values using least square or genetic optimization method

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回答（1 个）

Sulaymon Eshkabilov
Hi,
There are two realtively easy ways to obtain those parameters' estimate values.
(1) Using system identification toolbox fcns: upload your data to the toolbox and specificy your TF order
(2) The inverse frequency response: using invfreqs().
  1 个评论
ravi teja
ravi teja 2022-2-21
Thank you for your answer.
But i am trying to do it as a matlab code not using solvers.

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