problem in using LQR and LQE commands for uncertainty in plants

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Aniket 2013-5-22

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回答： Kyle Rawding 2021-3-17

Hello,

I have plant model and i am adding uncertainty in this .

and i am designing controller and estimator using lqr and lqe command....but matlab is giving me error as following

Error using lqr (line 35) The "lqr" command cannot be used for models of class "umat".

umat is uncertainty

what should i use instead of these commands to design controller ...

i have tried hinfsyn command but i am not getting ...

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Kyle Rawding 2021-3-17

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https://ww2.mathworks.cn/matlabcentral/answers/76695-problem-in-using-lqr-and-lqe-commands-for-uncertainty-in-plants#answer_650572

These two Tech Talks may be useful for getting you started with adding uncertainty to LQR models:

https://www.mathworks.com/support/search.html/videos/robust-control-part-4-working-with-parameter-uncertainty-1586760097653.html

https://www.mathworks.com/support/search.html/videos/state-space-part-4-what-is-lqr-control-1551955957637.html

Hope that helps,

Kyle

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