Observer-based approach to fault detection and isolation for nonlinear systems

Observer-based approach to fault detection and isolation for nonlinear systems

The design of a residual generator for fault detection and isolation (FDI) in nonlinear systems which are affine in the control signals and in the failure modes is studied, First, the problem statement used for linear systems is extended, and a set of sufficient conditions for the existence of a sol...

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Veröffentlicht in:IEEE transactions on automatic control 1999-10, Vol.44 (10), p.1879-1884
Hauptverfasser: Hammouri, H., Kinnaert, M., El Yaagoubi, E.H.
Format: Artikel
Sprache:eng
Schlagworte:
Automatic
Control system synthesis
Control systems
Design engineering
Dynamical systems
Engineering Sciences
Fault detection
Generators
Linear systems
Nonlinear control systems
Nonlinear dynamics
Nonlinear systems
Observers
Signal design
Signal generators
Signal synthesis
Sufficient conditions
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Beschreibung
Zusammenfassung:The design of a residual generator for fault detection and isolation (FDI) in nonlinear systems which are affine in the control signals and in the failure modes is studied, First, the problem statement used for linear systems is extended, and a set of sufficient conditions for the existence of a solution is given. Next, circumstances under which high-gain observers for uniformly observable systems can be used in the synthesis of the residual generator are provided.
ISSN:0018-9286
1558-2523
DOI:10.1109/9.793728