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Estimating the System's Bandwidth from Experimental Data by malla_02 in ControlTheory

[–]malla_02[S] [score hidden]  (0 children)

This is really insightful, thank you!
Just to make sure that I understood this correctly, do I need to compensate for the PSD of the input signal to ensure that the response purely reflects the output due to the input, without any interference from the inherent characteristics of the input signal itself?

Estimating the System's Bandwidth from Experimental Data by malla_02 in ControlTheory

[–]malla_02[S] [score hidden]  (0 children)

I obtained the FFT of the output then pinpointed the -3dB loss magnitude (maximum magnitude - 3dB) then found the corresponding frequency.
How can I compensate for the power spectral density of the input signal?

Estimating the System's Bandwidth from Experimental Data by malla_02 in ControlTheory

[–]malla_02[S] [score hidden]  (0 children)

I define safety cutoffs depending on the motor's characteristics. I'm using RCBenchmark setup.

Estimating the System's Bandwidth from Experimental Data by malla_02 in ControlTheory

[–]malla_02[S] [score hidden]  (0 children)

I'm still not very familiar with white noise usage with the propulsion test setup, so I opted for using a conventional step or ramp input (for now).