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Filters: Author is Maurice Heemels  [Clear All Filters]
Conference Paper
Maurice Heemels, Geir Dullerud, University of Illinois at Urbana-Champaign, Andrew Teel.  2015.  A Lifting Approach to L2-gain Analysis of Periodic Event-triggered and Switching Sampled-data Control Systems. IEEE International Conference on Decision and Control (CDC 2015).

In this work we are interested in the stability and L2-gain of hybrid systems with linear flow dynamics, periodic time-triggered jumps and nonlinear possibly set-valued jump maps. This class of hybrid systems includes various interesting applications such as periodic event-triggered control. In this paper we also show that sampled-data systems with arbitrarily switching controllers can be captured in this framework by requiring the jump map to be set-valued. We provide novel conditions for the internal stability and L2-gain analysis of these systems adopting a lifting-based approach. In particular, we establish that the internal stability and contractivity in terms of an L2-gain smaller than 1 are equivalent to the internal stability and contractivity of a particular discretetime set-valued nonlinear system. Despite earlier works in this direction, these novel characterisations are the first necessary and sufficient conditions for the stability and the contractivity of this class of hybrid systems. The results are illustrated through multiple new examples.