Brief Paper: Robust fault detection based on observers for bilinear systems

Authors:
Michel Kinnaert
Affiliations:
Service d'Automatique et d'Analyse des Systèmes, Université Libre de Bruxelles, CP 165/55, 50 Av. F.D. Roosevelt, B-1050 Brussels, Belgium
Venue:
Automatica (Journal of IFAC)
Year:
1999

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Abstract

The design of a residual generator for robust fault detection in bilinear systems is considered. Two methods are presented. The first one is based on a linear time-invariant observer up to output injection while the second one relies on a so-called Kalman-like observer. It is shown via examples that the approach based on a Kalman-like observer allows one to handle a larger class of bilinear systems than the other observer-based methods presented in the literature.