Step response of Estimated model in SID toolbox.
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Hello, I am trying to find model of my system using matlab's system identification toolbox. why i get step response of estimated model which settles at 0.05 instead of 1. Model shows good fit to validation data but residual analysis is bad. Thanks.
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Ameer Hamza
il 22 Giu 2018
It tells that the step input in the identification process has a magnitude of 20. Therefore when you apply a step signal with the magnitude of 1 it settles at 0.05. Either you can increase the magnitude of step input, multiply the obtained model by 20 or rerun the identification process with the input value normalized to 1.
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