Cannot select parameters to estimate using Simulink design optimization

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bit123
bit123 2020-4-5
编辑： Voss 2024-10-30，15:26
I have a Simulink model with 6 parameters of 6 gain blocks. I specified them as the Simulink parameters directly for each gain block in the model. I also specified 6 initial values for these parameters. Then, I used the parameter estimation function in the Simulink design optimization tool to estimate the 6 gain parameters following my input/output experiment data. But I could not select these parameters to estimate (the boxes next to the parameters could not be checked as in the attachment). I would appreciate if someone could advise me on this.
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ALESSANDRO GENTILI
ALESSANDRO GENTILI 2021-1-21
编辑：ALESSANDRO GENTILI 2021-1-21
I've found a solution for the Input Panel problem. I've simply added an input and output block (under sinks and sources), this way the Parameter Estimator can see the input.

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回答（2 个）

Farshid Naseri
Farshid Naseri 2022-3-25
In the model explorer, Model workspace the parameters to be estimated should be selected as "Matlab Variable" not a "Simulink Parameter".
Michael
Michael 2022-5-24
If using the "Simulink Parameter" type, the variable itself is not numeric; instead, the numeric value is in the "Value" field. You can use the accordion at the bottom of the "Select model variables" dialog to specify indexing expressions. For example, if the Simulink Parameter variable is called b, then you can type "b.Value" in the edit-field, and then hit the "Enter" key.

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