Is there a way to use FRD(Frequency Response Data) in Simulink model instead of an LTI SS block?
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MathWorks Support Team
2021-2-26
回答: MathWorks Support Team
2021-2-26
While trying to simulate a control system , with FRD collected from actual hardware, is there a way to use this FRD data in their Simulink model instead of an LTI SS block?
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MathWorks Support Team
2021-2-26
You will need to fit an LTI model to the frequency response data. Attached are few links that may help the workflow.
Frequency Domain Identification: Estimating Models Using Frequency Domain Data
Simulate identified linear model in Simulink using 'Idmodel' :
Here is an example to Simulate Identified Linear Model in Simulink with Initial Conditions:
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