Stability analysis of stochastic networked control systems

被引:197
|
作者
Donkers, M. C. F. [1 ]
Heemels, W. P. M. H. [1 ]
Bernardini, D. [2 ]
Bemporad, A. [3 ]
Shneer, V. [4 ]
机构
[1] Eindhoven Univ Technol, Dept Mech Engn, NL-5600 MB Eindhoven, Netherlands
[2] Univ Trent, Dept Mech & Struct Engn, I-38100 Trento, Italy
[3] IMT Inst Adv Studies Lucca, I-55100 Lucca, Italy
[4] Heriot Watt Univ, Sch Math & Comp Sci, Edinburgh EH14 4AS, Midlothian, Scotland
关键词
Communication protocols; Networked control systems; Parameter-varying systems; Stochastic control; Switched systems;
D O I
10.1016/j.automatica.2012.02.029
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 paper, we study the stability of Networked Control Systems (NCSs) that are subject to time-varying transmission intervals, time-varying transmission delays, packet dropouts and communication constraints. The transmission intervals and transmission delays are described by a sequence of continuous random variables. The complexity that the continuous character of these random variables introduces is overcome using a novel convex overapproximation technique that preserves the available probabilistic information. By focusing on linear plants and controllers, we present a modelling framework for NCSs based on discrete-time linear switched and parameter-varying systems. Stability (in the mean-square) of these systems is analysed using a new stochastic computational technique, resulting in a finite number of linear matrix inequalities. We illustrate the developed theory on the benchmark example of a batch reactor. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:917 / 925
页数:9
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