A switching system approach to sensor and actuator assignment for stabilisation via limited multi-packet transmitting channels

被引:69
作者
Guo, Ge [1 ]
机构
[1] Dalian Maritime Univ, Sch Informat Sci & Technol, Dalian 116026, Peoples R China
基金
中国国家自然科学基金;
关键词
NCSs; medium access constraints; multiple-packet transmission; network-induced delay; packet dropouts; switching rule; NETWORKED CONTROL-SYSTEMS; TIME-DELAY SYSTEMS; H-INFINITY CONTROL; COMMUNICATION CONSTRAINTS; LINEAR-SYSTEMS; FEEDBACK STABILIZATION; ACCESS CONSTRAINTS; PACKET DROPOUTS; SPECIAL-ISSUE; LQG CONTROL;
D O I
10.1080/00207179.2010.540715
中图分类号
TP [自动化技术、计算机技术];
学科分类号
080201 [机械制造及其自动化];
摘要
The problem of joint design of dynamic output feedback controller and network access assignment sequences of both input and output channels is investigated for networked control systems which have insufficient communication channels to simultaneously accommodate all the sensors and actuators. The sensors and the actuators are supposed to operate independently with individual communication packets and subject to successive time-varying delays and packet dropouts. A linear matrix inequality-based design method for dynamic output feedback controllers that are asymptotically stabilising and less conservative is derived using a model transformation technique and an improved Lyapunov-Krasovskii function. At the same time, a switching rule for assigning communication channels among the sensors and actuators while guaranteeing that the closed-loop system is asymptotically stable is suggested in the framework of switching system theory. Numerical examples are provided to show the usefulness and efficiency of the developed control and communication sequence design method.
引用
收藏
页码:78 / 93
页数:16
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