The detection of and compensation for nonlinear effects using periodic input signals

The detection of and compensation for nonlinear effects using periodic input signals

The identification of linear dynamics in the presence of nonlinear effects is discussed. The first step in such a process, the detection of the nonlinear relationship, is shown to be impossible using the conventional coherence function calculation in conjunction with a periodic excitation. Methodolo...

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Bibliographische Detailangaben
Hauptverfasser: McCormack, A.S, Godfrey, K.R, Flower, J.O
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Nonlinear control systems
Simulation, modelling and identification
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Zusammenfassung:The identification of linear dynamics in the presence of nonlinear effects is discussed. The first step in such a process, the detection of the nonlinear relationship, is shown to be impossible using the conventional coherence function calculation in conjunction with a periodic excitation. Methodology and results are presented for estimating the parameters of structured nonlinear models which are of considerable engineering significance.
DOI:10.1049/cp:19940148