How to tune a discrete PID when a step response is known?

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israa
israa el 12 de Oct. de 2014
Editada: israa el 21 de Oct. de 2014
Hi all..
My process transfer function is 1000/(s^2+s).
When applying a p-only controller with gain of 0.01 i get the step response as shown in pic below
How to tune the controller gains (discrete controller) when step response is known ? I need any discrete controller tuning method, whatever is 2DOF-PID or just PID. Any suggestions??

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David Barry
David Barry el 12 de Oct. de 2014
Take a look at the Control System Toolbox documentation for worked examples of PID tuning.

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