What is the tuning method used in PID tuner apps (SIMULINK)?

Question

fiza fiza 2017-3-15

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https://ww2.mathworks.cn/matlabcentral/answers/329913-what-is-the-tuning-method-used-in-pid-tuner-apps-simulink

评论： Sam Chak 2023-8-17

Hi,

I am using PID tuner app in simulink to tune my PID gain. But, I am not sure what is the method that been employed by this app to calculate PID gain (for example, Ziegler Nicholas method, Skogestad's, etc)? I need to know, since I want to justify it in my thesis.

Thank you.

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Aila Manarang 2021-7-7

Hello. May I ask if you found the answer to your question? We also need to justify it in our thesis. Thanks

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Answer 1

Arkadiy Turevskiy 2017-4-25

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https://ww2.mathworks.cn/matlabcentral/answers/329913-what-is-the-tuning-method-used-in-pid-tuner-apps-simulink#answer_264425

PID Tuner app uses proprietary tuning algorithm developed by MathWorks. More details in the doc .

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Sarkar Jawhar 2023-8-17

Hello Mr Turevskiy,

The doc link is not available, coud you please clarify on what principle the tuning algorithm is based on? Regards

Sam Chak 2023-8-17

Hi @Sarkar Jawhar

You can find information about the tuning algorithm at this link:

https://www.mathworks.com/help/control/getstart/pid-tuning-algorithm.html

Using the pidtune() command, you can specify the DesignFocus option to favor the reference tracking, or the disturbance rejection.

https://www.mathworks.com/help/control/ref/pidtuneoptions.html

Here is a PID tuning example:

https://www.mathworks.com/help/control/getstart/tune-pid-controller-to-favor-reference-tracking-or-disturbance-rejection.html

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Answer 2

jia wan 2017-5-1

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https://ww2.mathworks.cn/matlabcentral/answers/329913-what-is-the-tuning-method-used-in-pid-tuner-apps-simulink#answer_265155

I find that the parameters 'Response Time' and 'Trasient Behavior' are the rise time and damping ratio of second order system. Based on the second order system, the phase margin and crossover frequency can be calculated. Then the PI controller is easily calculated.