Approximating fractional order system to higher order integer order transfer function

2022 7 3

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更新时间：2022 7 4

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HI all, I'm fairly new to MATLAB. I'm supposed to find the integer order approximation of a fractional order transfer function using fmincon but am unable to do so. Any help/guidance would be appreciated!

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Sam Chak 2022-7-3

Just wondering what computational software did you use previously to deal with the integer-order (finite-dimensional) approximation of a fractional-order (infinite-dimensional) transfer function?

Amarnath K 2022-7-4

编辑：Amarnath K 2022-7-4

I have a transfer function of the form

, and I want to convert to a

form.

Sorry for causing any confusion.

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Sam Chak 2022-7-4

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The FOMCON toolbox by @Aleksei Tepljakov is pretty popular for dealing with fractional-order systems.

Also check Oustaloup recursive approximation method submitted by @Prof. Chen YangQuan.

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Amarnath K 2022-7-4

Thanks. I'll check it out.

Sam Chak 2022-7-4

Don't forget to let us know if the toolbox and Oustaloup file are helpful to your case.

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2022-7-3

Sam Chak

2022-7-4

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