Abstract

The general context of this paper is the design of active Fault Tolerant Control (FTC) strategy for Linear Time Invariant (LTI) systems. Active FTC strategies must ensure good fault compensation when a fault is detected by the Fault Detection and Isolation (FDI) unit. FDI and FTC performances are thus highly connected. Since a FTC problem is above all a control problem, the proposed work focuses on the design of a unique filter synthesized under control specifications. This filter is reformulated to explicitly have a fault diagnosis scheme able to take some decisions. An analysis campaign based on the generalization of the structured singular value μ <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">g</sub> is next used to guarantee a good performance management of FDI and FTC parts. This scheme is illustrated on a basic academic example to highlight its efficiency.

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