Optimal performance of networked control systems under the packet dropouts and channel noise

被引：108
|
作者：
Zhan, Xi-Sheng [1 ,2 ]
Wu, Jie [1 ]
Jiang, Tao [2 ]
Jiang, Xiao-Wei [2 ]
机构：
[1] Hubei Normal Univ, Dept Control Sci & Engn, Huangshi 435002, Peoples R China
[2] Huazhong Univ Sci & Technol, Dept Elect & Informat Engn, Wuhan 430074, Peoples R China
来源：
ISA TRANSACTIONS | 2015年 / 58卷
基金：
中国国家自然科学基金;
关键词：
Networked control systems; Optimal tracking performance; Packet dropout probability; Nonminimum phase zeros; Encoding and decoding; TRACKING PERFORMANCE; LIMITATIONS; DESIGN; STABILIZATION;
D O I：
10.1016/j.isatra.2015.05.012
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The optimal tracking performance of single-input single-output (SISO) discrete-time networked control systems (NCSs) with the packet dropouts and channel noise is studied in this paper. The communication channel is characterized by three parameters: the packet dropouts, channel noise and the encoding and decoding. The explicit expression of the optimal tracking performance is obtained by using the spectral factorization. It is shown that the optimal tracking performance dependents on the nonminimum phase zeros, unstable poles of the given plant, as well as the packet dropout probability, channel noise and the encoding and decoding. The optimal tracking performance is improved by two-parameter compensator. Finally, a typical example is given to illustrate the theoretical results. (C) 2015 ISA. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：214 / 221
页数：8
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