Volume 3 Number 6 (Nov. 2014)
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IJCCE 2014 Vol.3(6): 388-393 ISSN: 2010-3743
DOI: 10.7763/IJCCE.2014.V3.355

Robust Stability of Networked Control Systems with Communication Constraints

Yasir B. Hamdan and Samah O. Altayeb
Abstract—This paper investigates a robust state feedback controller for networked control systems (NCSs) with a finite bandwidth and network congestion. A simple scheme is used in order to eliminate the effect of the congestion, considering the existence of arbitrary packet dropout. A mathematical model of NCS with uncertain, varying and bounded network induced delay is obtained. The model is then converted into uncertain switching system model. The stability criteria for closed-loop system are formulated and sufficient conditions for the controller are given in terms of solvability of linear matrix inequalities (LMIs). An illustrative example is used to evaluate how effective the simple congestion control scheme is in reducing network bandwidth and preserving the stability of the NCS.

Index Terms—Networked control system, network congestion, linear matrix inequalities.

Y. B. Hamdan and S. O. Altayeb are with the Department of Automation, University of Science and Technology of China, Hefei 230026, China (e-mail: yasir@mail.ustc.edu.cn).

Cite:Yasir B. Hamdan and Samah O. Altayeb, "Robust Stability of Networked Control Systems with Communication Constraints," International Journal of Computer and Communication Engineering vol. 3, no. 6, pp. 388-393, 2014.

General Information

ISSN: 2010-3743
Frequency: Bimonthly
Editor-in-Chief: Dr. Maode Ma
Abstracting/ Indexing: EI (INSPEC, IET), Google Scholar, Crossref, Engineering & Technology Digital Library, ProQuest, and Electronic Journals Library
E-mail: ijcce@iap.org
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