Error using ltipack.SystemArray/pidtune_ (line 15).The PID tuning tools are not supported for plant models of type "tf".

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xiyu quan 2023-3-28

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https://ww2.mathworks.cn/matlabcentral/answers/1936294-error-using-ltipack-systemarray-pidtune_-line-15-the-pid-tuning-tools-are-not-supported-for-plant

评论： xiyu quan 2023-3-29

Hi everyone, I have been trying to compile PID tuning tools to javapackage and this is the error I get:
Error using ltipack.SystemArray/pidtune_ (line 15)
The PID tuning tools are not supported for plant models of type "tf".

Thank you very much.
Best regards.

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Answer 1

Sivapriya Srinivasan 2023-3-28

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https://ww2.mathworks.cn/matlabcentral/answers/1936294-error-using-ltipack-systemarray-pidtune_-line-15-the-pid-tuning-tools-are-not-supported-for-plant#answer_1202494

Hello,

The error message you are seeing indicates that the PID tuning tools in ltipack.SystemArray package do not support transfer function plant models.

Hence you may need to convert your transfer function model into state-space model and then you can tune your PID controller using the “pidtune” function in ltipack.SystemArray package

You can also refer this documentation for further understanding:

PID tuning algorithm for linear plant model - MATLAB pidtune (mathworks.com)

Hope this helps!