A new H∞ stabilization criterion for networked control systems

被引:231
作者
Jiang, Xiefu [1 ]
Han, Qing-Long [2 ]
Liu, Shirong [1 ]
Xue, Anke [1 ]
机构
[1] Hangzhou Dianzi Univ, Sch Automat, Hangzhou 310018, Peoples R China
[2] Cent Queensland Univ, Sch Comp Sci, Rockhampton, Qld 4702, Australia
关键词
data packet dropout; exponential stability; H-infinity control; linear matrix inequality (LMI); network-induced delay; networked control system (NCS);
D O I
10.1109/TAC.2008.919547
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This note is concerned with robust H., control of linear networked control systems with time-varying network-induced delay and data packet dropout. A new Lyapunov-Krasovskii functional, which makes use of the information of both the lower and upper bounds of the time-varying network-induced delay, is proposed to drive a new delay-dependent H. stabilization criterion. The criterion is formulated in the form of a non-convex matrix inequality, of which a feasible solution can be obtained by solving a minimization problem in terms of linear matrix inequalities. In order to obtain much less conservative results, a tighter bounding for some term is estimated. Moreover, no slack variable is introduced. Finally, two numerical examples are given to show the effectiveness of the proposed design method.
引用
收藏
页码:1025 / 1032
页数:8
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