Optimal performance of LTI systems over power constrained erasure channels

被引：13

作者：

Jiang, Xiao-Wei ^{[1
,2
,3
,4
]}

Chen, Xiang-Yong ^{[2
]}

Chi, Ming ^{[3
]}

Ge, Ming-Feng ^{[5
]}

机构：

[1] China Univ Geosci, Sch Automat, Wuhan 430074, Hubei, Peoples R China

[2] Linyi Univ, Sch Automat & Elect Engn, Linyi 276005, Shandong, Peoples R China

[3] Hubei Key Lab Adv Control & Intelligent Automat C, Wuhan 430074, Hubei, Peoples R China

[4] Hubei Normal Univ, Coll Mechatron & Control Engn, Huangshi 435002, Hubei, Peoples R China

[5] China Univ Geosci, Sch Mech Engn & Elect Informat, Wuhan 430074, Hubei, Peoples R China

来源：

INFORMATION SCIENCES | 2020年 / 512卷

基金：

中国国家自然科学基金;

关键词：

Optimal performance; Power constraints; Packet dropouts; Communication parameter; NETWORKED CONTROL-SYSTEMS; ACHIEVABLE TRACKING PERFORMANCE; FEEDBACK; STABILIZATION; LIMITATIONS; STABILIZABILITY; DESIGN;

D O I：

10.1016/j.ins.2019.05.077

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, the optimal performance of multiple-input multi-output (MIMO) linear time-invariant (LTI) plant is investigated. The communication channel is modeled as a power constrained channel with packet dropouts. The covariance of error signal between reference input and system's output is chosen as the performance index. Based on the frequency domain analysis method, the exact expressions of the tracking performance limitation are derived. The results reveal that the best performance of NCSs not only has strong connection with both the nonminimum phase zeros and unstable poles of the plant, but also has close relation with the essential feature of reference input signal and communication parameters. Finally, a simulation example is discussed to validate the conclusions. (C) 2019 Elsevier Inc. All rights reserved.

引用

页码：327 / 337

页数：11

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