How to set parameters of Recursive Polynomial Model Estimator in Simulink

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Ziyang Zhang
Ziyang Zhang 2020-7-8
评论： Ziyang Zhang 2020-7-10
Hello! everyone,
I have a question when using the Recursive Polynomial Model Estimator. I am trying to achieve the online estimation of a two-input two-output system. So my settings are na: [2,2;2,2], nb: [1,1;1,1]; nk: [1,1;1,1]. But there is an error that shows the number of parameters in na must be a scalar. Why is there such an error? How to fix it?
Thanks.

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Rajiv Singh
Rajiv Singh 2020-7-8
The Recursive Polynomial Model Estimator supports single output estimations only.
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Rajiv Singh
Rajiv Singh 2020-7-9
The recursive estimation features are limited right now and we plan to remove I/O size limitations in future. Right now, one possibility is to use a different estimator for each output. If you have multiple inputs too, you can only use the ARX recursive estimator.

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