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Hybrid control lyapunov functions for the stabilization of hybridsystems

Di Cairano, Stefano and Heemels, W.P.M.H. and Lazar, Mircea and Bemporad, Alberto Hybrid control lyapunov functions for the stabilization of hybridsystems. In: Proceedings of the 16th international conference on Hybrid systems: computation and control. ACM, pp. 73-82. ISBN 978-1-4503-1567-8 (2013)

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The design of stabilizing controllers for hybrid systems is particularly challenging due to the heterogeneity present within the system itself. In this paper we propose a constructive procedure to design stabilizing dynamic controllers for a fairly general class of hybrid systems. The proposed technique is based on the concept of a hybrid control Lyapunov function (hybrid CLF) that was previously introduced by the authors. In this paper we generalize the concept of hybrid control Lyapunov function, and we show that the existence of a hybrid CLF guarantees the existence of a standard control Lyapunov function (CLF) for the hybrid system. We provide a constructive procedure to design a hybrid CLF and the corresponding dynamic control law, which is stabilizing because of the established connection to a standard CLF that becomes a Lyapunov function for the closed-loop system. The obtained control law can be conveniently implemented by constrained predictive control in the form of a receding horizon control strategy. A numerical example highlighting the features of the proposed approach is presented.

Item Type: Book Section
Identification Number: 10.1145/2461328.2461341
Uncontrolled Keywords: Hybrid system, control Lyapunov function, dynamic controller, receding horizon control
Subjects: T Technology > TJ Mechanical engineering and machinery
Research Area: Computer Science and Applications
Depositing User: Ms T. Iannizzi
Date Deposited: 01 Jul 2014 12:35
Last Modified: 01 Jul 2014 12:35
URI: http://eprints.imtlucca.it/id/eprint/2228

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