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omkar_991
Associate

Join Date: Jun 2007
Posts: 25

PID Controller

05/11/2008 6:22 AM

What is the output of a proportional controller for zero error? What is output of a PID contoller for zero error?

What is the difference between a compensator and a contoller?
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Khursheed
Participant

Join Date: May 2008
Posts: 1
#1

Re: PID Controller

05/11/2008 9:44 AM

Dear,

Proportional or PI or PID controllers work on the basis of process feedback and compare it with the setpoint thereby giving you the error. so at constant zero error the process output will cease to zero based upon the time gain as the controller is not seeing any change in the error.

Regards

Khursheed Khan

Teamac Arabia (+971501018489. teamacuae@aim.com)
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