[Scilab-users] System Identification for First order delay and dead time

[Samuel Gougeon]

Le 24/09/2016 15:59, Fukashiimo a écrit :
> Hello,
>
> I am looking for a Scilab software which is similar to Matlab System ID tool
> box.
>
> I would like to obtain values of parameters, Tau, K and Td for following
> first order delay + Dead time model from time series data.
> ymodel = (K/(Tau*s+1))*exp(-Td*s)*u
> ymodel: process output, u: process input
> SISO continuous time
.
What is s?
What's the input variable: s or u? And is the other a known parameter?