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Anti-windup controller synthesis via linear parameter-varying control design methods

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3 Author(s)
Fen Wu ; Dynacs Eng. Co. Inc., Houston, TX, USA ; Grigoriadis, K.M. ; Packard, A.

We provide a novel, systematic anti-windup control synthesis approach for systems with actuator saturation using a linear parameter-varying (LPV) design framework. The closed-loop induced L2 gain control problem is considered. Different from previous two-step design schemes, the proposed approach directly utilizes saturation indicator parameters to schedule accordingly the parameter varying controller. Hence, the synthesis conditions are formulated in terms of linear matrix inequalities (LMIs) that can be solved very efficiently. The resulting gain-scheduled controller is nonlinear in general and would lead to graceful performance degradation in the presence of actuator saturation nonlinearities

Published in:

American Control Conference, 1998. Proceedings of the 1998  (Volume:1 )

Date of Conference:

21-26 Jun 1998