Control structure design of networked control systems based on maximum allowable delay bounds

被引:19
|
作者
Yang, Fang [1 ]
Fang, Huajing [2 ]
机构
[1] Huazhong Agr Univ, Coll Engn & Technol, Wuhan 430070, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Dept Control Sci & Engn, Wuhan 430074, Hubei, Peoples R China
基金
中国国家自然科学基金;
关键词
Networked control system; Control structure design; Network-induced delay; Maximum allowable delay bound; Supervisory switching logic;
D O I
10.1016/j.jfranklin.2009.03.002
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this work, we present a control structure based on the maximum allowable delay bound of networked control systems that takes the network-induced delay into account. Control structure design deals with the structural decisions of the control system including where to place the controllers and how to harmonize them. We construct a hierarchical control structure that consists of a main controller and a local closed-loop system consisting of a family of control configurations. Based on the maximum allowable delay bound for each local configuration, the local supervisor orchestrates switching between the constituent configurations. The stability condition is derived based on common Lyapunov function technique. An example is presented to demonstrated the efficacy of the proposed approach. (C) 2009 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:626 / 635
页数:10
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