Brief Parameter identification of a class of Hammerstein plants

Authors:
F. Giri;F. Z. Chaoui;Y. Rochdi
Affiliations:
Laboratoire d' Automatique des Procedes, ISMRA, 6 Boulevard Maréchal Juin, 14050 Caen Cedex, France;Laboratoire d' Automatique des Procedes, ISMRA, 6 Boulevard Maréchal Juin, 14050 Caen Cedex, France;Laboratoire d' Automatique des Procedes, ISMRA, 6 Boulevard Maréchal Juin, 14050 Caen Cedex, France
Venue:
Automatica (Journal of IFAC)
Year:
2001

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Abstract

We consider parameter identification of plants that can be described by a piecewise affine nonlinear element in series with linear dynamics. The identification scheme is based on a suitable plant parametrization obtained by an orthogonal expansion of the nonlinearity. Then, a persistently exciting (PE) input sequence is generated to ensure the convergence of the estimated model to the true one.