Passive fault-tolerant control of discrete time piecewise affine systems against actuator faults

S.M. Tabatabaeipour, R. Izadi-Zamanabadi, T. Bak and A.P. Ravn

International Journal of Systems Science, 2012, vol. 43, issue 11, 1985-1997

Abstract: In this article, we propose a new method for passive fault-tolerant control of discrete time piecewise affine systems. Actuator faults are considered. A reliable piecewise linear quadratic regulator state feedback is designed such that it can tolerate actuator faults. A sufficient condition for the existence of a passive fault-tolerant controller is derived and formulated as the feasibility of a set of linear matrix inequalities (LMIs). The upper bound on the performance cost can be minimised using a convex optimisation problem with LMI constraints which can be solved efficiently. The approach is illustrated on a numerical example and a two degree of freedom helicopter.

Date: 2012
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DOI: 10.1080/00207721.2012.670289

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