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Improved estimation on transmission intervals and delays for networked control systems using hybrid systems tools

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Indexed by:期刊论文

Date of Publication:2019-06-11

Journal:IET CONTROL THEORY AND APPLICATIONS

Included Journals:SCIE、EI

Volume:13

Issue:9,SI

Page Number:1271-1278

ISSN No.:1751-8644

Key Words:stability; delays; Lyapunov methods; time-varying systems; asymptotic stability; nonlinear control systems; networked control systems; networked control systems; hybrid systems tools; work studies; stability problem; transmission intervals; delays; above-mentioned NCSs; hybrid control systems; uniform global asymptotic stability; maximum allowable transmission interval; maximum allowable delay; improved estimation

Abstract:The work studies the stability problem of networked control systems (NCSs) exposed to various imperfections, including scheduling protocols, transmission intervals, and delays by using hybrid systems tools. First of all, the above-mentioned NCSs are converted into hybrid control systems. Then under a weaker assumption, the authors construct a novel Lyapunov function to derive a less conservative sufficient condition for the uniform global asymptotic stability of the systems. Furthermore, they derive useful upper bounds for the maximum allowable transmission interval and maximum allowable delay, which significantly improve the existing results. Finally, some examples are presented to illustrate the effectiveness of the proposed theorem.

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