Abstract

AbstractThe general context of this paper is the design of active Fault Tolerant Control (FTC) strategies for Linear Time Invariant (LTI) uncertain systems. Active FTC systems work in such a way that when a fault is diagnosed by a Fault Detection and Isolation (FDI) unit, the control law is reconfigured to compensate the effect of fault. FDI and FTC performances are thus highly connected. In this paper, a procedure based on the structured singular value μ and its generalization μg is proposed to manage, for a given application, the interaction between the set of FDI and FTC units. It is shown that asymptotic stability is guaranteed and that global performance can be reached by means of the used μ/μg criteria. The HiMAT aircraft benchmark is used to illustrate the main steps of the method. Copyright © 2010 IFAC

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