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Estimate parameters of TF (combination of R and C) using experimental frequency domain data (frequency, magnitude and phase)
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I have equivalent transfer function for a system in S domian. In addition I also have experimental frequency domain responses f (Hz), Magnitude and phase (degree). How can I use these experimental data to estimate the parameters of the TF. The TF is made up of combination of R and C in S domain and I also have the range of these various R and C used.
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Star Strider
il 3 Giu 2019
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Star Strider
il 11 Giu 2019
This is likely going to be difficult. I have never attempted anything similar in the frequency domain, so I have no experience with it. (I have done similar parameter estimation problems in the time domain.)
Otherwise, you would have to use one of the optimization functions to estimate the parameters, and re-build the ‘sys2’ each time with the changed parameters, compare it with the known frequency characteristics, and iterate until you got an acceptable result.
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