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Define PID parameters in Simulink

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Destroyer

Destroyer

Mechanical
Sep 6, 2002
10
Can anyone tell me how I can define my P I and D parameters in Simulink. If I change my parameters of my PID-regulator, my proces value graph changes very much with each change of PID values. I tried to use Ziegler Nichols but it gives very bad results. I need to know a method how I can optimalise my values of my PID.

Thanks a lot
 
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Just out of curiosity, why are you trying to tune a PID loop in Simulink? I've had no problems tuning PIDs using Ziegler-Nichols tuning rules. More help may follow if you describe the reason you trying to do this and your system model structure... xnuke

Please see FAQ731-376 for tips on how to make the best use of Eng-Tips.
 
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