Detection filter design for LPV systems . A geometric approach
by
J. Bokor and G.J. Balas
in
Automatica, vol. 40, pp. 511-518, March, 2004.
Category: Journal Article
Keywords: Failure detection; LPV systems
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Abstract:
This paper investigates fault detection and isolation of linear parameter-varying (LPV) systems by using parameter-varying (C,A)-invariant subspace and parameter-varying unobservability subspaces. The so called “detection filter” approach, formulated as the fundamental problem of residual generation (FPRG) for linear time-invariant (LTI) systems, is extended for a class of LPV systems. The question of stability is addressed in the terms of Lyapunov quadratic stability by using linear matrix inequalities. The results are applied to the model of a generic small commercial aircraft.
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