Dear Harpreet,
Thank you for advise. I am not familiar with fmincon or fminserach, I would like to start from simple objective function. First of all, I would like to identify the following parameters for SISO case: K, Tau, TD: K/(Tau*s +1) * exp(-TD*s) =ymodel We have step test data, y (Process output) and U (process input). Object function: Min sum of ( (y-ymodel)^2) Could you please tell me how I can formulate my objective function using such optimization tool and foind optimum parameters? Thanks, -- View this message in context: http://mailinglists.scilab.org/Optimization-First-order-delay-and-dead-time-TF-model-ID-CUTEr-tp4033749p4033776.html Sent from the Scilab users - Mailing Lists Archives mailing list archive at Nabble.com. _______________________________________________ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users