Convergent discrete-time nonlinear systems: the case of PWA systems

A.V. Pavlov, N. Wouw, van de

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8 Citations (Scopus)

Abstract

In this paper we extend the notion of convergence, as defined for continuous-time dynamical systems, to the realm of discrete-time systems. A system is said to be convergent if it exhibits a unique, globally asymptotically stable solution that is defined and bounded on the entire time axis. The convergence property is highly instrumental in solving output regulation, tracking, synchronization and observer design problems. First, we provide a general sufficient condition for the convergence of nonlinear discrete-time systems. Next, we propose constructive sufficient conditions for convergence of discrete-time piecewise afflne (PWA) systems. These conditions are given in the form of matrix inequalities. The proposed results are illustrated by an example in which a tracking control problem for a discrete-time PWA system is tackled.
Original languageEnglish
Title of host publicationProceedings of the 2008 American Control Conference (ACC2008), Seattle, Washington, USA, June 11-13, 2008
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages3452-3457
ISBN (Print)978-1-4244-2078-0
DOIs
Publication statusPublished - 2008

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