how to put error value in PID?

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Eran Shiffman 2017년 8월 1일

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https://kr.mathworks.com/matlabcentral/answers/351073-how-to-put-error-value-in-pid

답변: Deepak Gala 2017년 8월 4일

Hey, I'm new at matlab and I don't understand how do I put the input "error" value. I need to put a vector and get output of vector. how can I do that?

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José-Luis 2017년 8월 1일

This is not clear to me.

What are you trying to achieve? Please post a minimum working example illustrating your problem.

Junaid Qadir 2017년 8월 3일

first, define a variable and then put integers.

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Answer 1

Deepak Gala 2017년 8월 4일

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https://kr.mathworks.com/matlabcentral/answers/351073-how-to-put-error-value-in-pid#answer_276727

PIDexample.zip

I guess you are talking about the Simulink model in Matlab. There is a 'PID' block in Simulink library. I have attached a simple closed-loop system with PID controller. You can change the gains Kp, Ki and Kd by double clicking the PID block. I have made the settings for the Scope to save the output in a variable 'Output' in the workspace.

I think you need to read more about closed-loop systems. Following links will help you understanding basics.

https://en.wikipedia.org/wiki/Control_theory https://en.wikipedia.org/wiki/PID_controller

Good luck!