Reducing the order of Transfer function

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Anand Shirke
Anand Shirke 2019-2-22
回答： surya chandra gulipalli 2021-6-15
I have an inverse of a tranfer function (TF) matrix. I am using this for my controllers. The inverse TF matrix I have is 6th order. Now I want to reduce the TF to lower orders, maybe to second or third. I have attached the screenshots. Any kind of help is appreciated.
tf1.jpg
tf2.jpg

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Star Strider
Star Strider 2019-2-22
If you have not already used the minreal (link) function, see if it will reduce the order.
Beyond that, I have no specific suggestions other than that you explore the other functions linked to in that documentation page.
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Star Strider
Star Strider 2019-2-23
@Luna — My pleasure! Thank you for the vote!

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surya chandra gulipalli
Try using 'balred' command. It works well. you can best fit a transfer function of desired order in required frequency range of importance.

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