Input-to-state stability of networked control systems

被引:250
作者
Nesic, D [1 ]
Teel, AR
机构
[1] Univ Melbourne, Dept Elect & Elect Engn, Parkville, Vic 3052, Australia
[2] Univ Calif Santa Barbara, CCEC, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
基金
澳大利亚研究理事会; 美国国家科学基金会;
关键词
disturbances; networked control systems; nonlinear; stability;
D O I
10.1016/j.automatica.2004.07.003
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A new class of Lyapunov uniformly globally asymptotically stable (UGAS) protocols in networked control systems (NCS) is considered. It is shown that if the controller is designed without taking into account the network so that it yields input-to-state stability (ISS) with respect to external disturbances (not necessarily with respect to the error that will come from the network implementation), then the same controller will achieve semi-global practical ISS for the NCS when implemented via the network with a Lyapunov UGAS protocol. Moreover, the ISS gain is preserved. The adjustable parameter with respect to which semi-global practical ISS is achieved is the maximal allowable transfer interval (MATI) between transmission times. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2121 / 2128
页数:8
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