ordertrack: is bandwidth not only in Hz but also in order width settable?

Question

Christian Baier 2023-3-9

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1925520-ordertrack-is-bandwidth-not-only-in-hz-but-also-in-order-width-settable

回答： Zuber 2023-3-16

Hello,

I want to do engine order analyses with ordertrack. For that purpose the bandwidth around the order which is used for analyses is crucial.

In matlab help (https://de.mathworks.com/help/signal/ref/ordertrack.html#bvaw5ra-1-rpmrefidx) I find only the bandwidth parameter which uses a fixed bandwidth in Hz like this: https://community.sw.siemens.com/servlet/rtaImage?eid=ka64O000000kDIW&feoid=00N4O000006Yxpf&refid=0EM4O00000113fd

What I am looking for is bandwidth in "order mode" that means at lower rpm the bandwidth around the order is smaller and at higher rpm the bandwidth is higher like this:

https://community.sw.siemens.com/servlet/rtaImage?eid=ka64O000000kDIW&feoid=00N4O000006Yxpf&refid=0EM4O00000113fb

Is this possible with matlab ordertrack function?

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Answer 1

Zuber 2023-3-16

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1925520-ordertrack-is-bandwidth-not-only-in-hz-but-also-in-order-width-settable#answer_1194140

Hi,

I understand that you want to use varying bandwidth (“order mode”) using ordertrack. However, this functionality is yet not present in the ordertrack function.

I hope this answers your question.