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Hammerstein Modeling of Electrical Drives: Identification by Multiple Integrators

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3 Author(s)
Burgio, A. ; Dip. Elettronica, Informatica e Sistemistica, Università della Calabria, 87036 Arcavacata di Rende (CS), Italy. burgio@deis.unical.it ; Eisinberg, Aifredo ; Fedele, G.

In this paper the authors propose a novel method in order to identify the Hammerstein model where the nonlinear process is approximated by a static nonlinear element followed by a linear dynamic second or third-order model. The method is able to determine the parameters of the linear plant and two point of the nonlinear element in a unique step by using a filtered equation and the least-squares method. One of the most significant simulation example applied to the identification of a dc-engine is reported; it demonstrates the effectiveness of the proposed method and its acceptable robustness to disturbance and to measurements noise.

Published in:

Power Engineering, Energy and Electrical Drives, 2007. POWERENG 2007. International Conference on

Date of Conference:

12-14 April 2007