[Scilab-users] Optimization: First order delay and dead time TF model ID, CUTEr

[Serge Steer]

Le 16/03/2016 11:05, noguchi a écrit :
> Hello, Scilab users,
>
>
> I would like to do Model Identification using step test data with transport
> delay.
> First of all, I would like to identify the following parameters for SISO
> case:
>
> K, Tau, TD:   K/(Tau*s +1) * exp(-TD*s)
>
> We have step test data, y (Process output) and U (process input).
>
> Object function: Min ( (y-ymodel)^2)
>
>
> I guess CUTEr can be used to solve this problem. I try to understand how to
> use CUTEr using help file but failed.
>
> If you are familiar with how to use CUTEr or other optimization command in
> Scilab, could you please advise.
>
CUTEr is a tool designed for testing optimizers not for finding solution 
of optimization problems.

For solving optimization problems on can use the optim or fminsearch 
functions
Serge
> Thanks.
>
>
> Y. Noguchi
>
>
>
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