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Discrete-time Network-based Control under Schedulings and Actuator Constraints
KTH, School of Electrical Engineering (EES), Automatic Control.ORCID iD: 0000-0001-7273-4394
Tel Aviv University.
2014 (English)In: International Journal of Robust and Nonlinear Control, ISSN 1049-8923, E-ISSN 1099-1239Article in journal (Other academic) Published
Abstract [en]

This paper is concerned with the solution bounds for discrete-time networked control systems via delay-dependent Lyapunov-Krasovskii methods.Solution bounds are widely used for systems with input saturation caused byactuator saturation or by the quantizers with saturation.The time-delay approach has been introduced recently for the stabilization of continuous-time networked control systems under the Round-Robin protocol in \cite{KunSCL12} and under a weighted Try-Once-Discard protocol in \cite{KunCDC12}, respectively.Actuator saturation has not been taken into account in \cite{KunCDC12} and \cite{KunSCL12}.In the present paper, for the first time the time-delay approach is extended to the stability analysis of the discrete-time networked control systems under both scheduling protocols and actuators saturation. The communication delays are allowed tobe larger than the sampling intervals.A novel Lyapunov-based method is presented for finding the domain of attraction.Polytopic uncertainties in the system model can be easily included in our analysis. The efficiency of the time-delay approach is illustrated on the example of a cart-pendulum system.

Place, publisher, year, edition, pages
Keyword [en]
networked control systems, time-delay approach, scheduling, input saturation, Lyapunov-Krasovskii method
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-136305DOI: 10.1002/rnc.3179ISI: 000357893100006ScopusID: 2-s2.0-84937023968OAI: diva2:675751
Knut and Alice Wallenberg FoundationSwedish Research Council

QC 20150810

Available from: 2013-12-04 Created: 2013-12-04 Last updated: 2015-08-10Bibliographically approved

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