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Journal of Control Science and Engineering
Volume 2007 (2007), Article ID 50796, 11 pages
Research Article

Switching Systems: Active Mode Recognition, Identification of the Switching Law

1Department of Chemical and Materials Engineering, University of Alberta, Edmonton, AB T6G 2G6, Canada T6G 2G6
2Centre de Recherche en Automatique de Nancy, UMR 7039, Nancy-Université, CNRS, 2 Avenue de la Forêt de Haye, 54516 Vandoeuvre-les-Nancy, France

Received 24 July 2007; Accepted 6 December 2007

Academic Editor: Zoltan Szabo

Copyright © 2007 Elom Ayih Domlan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The problem of the estimation of the discrete state of a switching system is studied. The knowledge of the switching law is essential for this kind of system as it simplifies their manipulation for control purposes. This paper investigates the use of a model-based diagnosis method for the determination of the active mode at each time point based on the system input/output data. The issue of the parametric identification of the switching law is also addressed.