Stability Analysis of Event-Triggered Networked Control Systems with Time-Varying Delay and Packet Loss

被引:0
作者
Zhao Wang
Jian Sun
Yongqiang Bai
机构
[1] Beijing Institute of Technology,The Key Laboratory of Intelligent Control and Decision of Complex System
来源
Journal of Systems Science and Complexity | 2021年 / 34卷
关键词
Delay; event-triggered control; networked control systems; packet loss; stability analysis;
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学科分类号
摘要
Networked control systems (NCSs) are facing a great challenge from the limitation of network communication resources. Event-triggered control (ETC) is often used to reduce the amount of communication while still keeping a satisfactory performance of the system, by transmitting the measurements only when an event-triggered condition is satisfied. However, some network-induced problems would happen inevitably, such as communication delay and packet loss, which can degrade the control performance significantly and can even lead to instability. In this paper, a periodic event-triggered NCS considering both time-varying delay and packet loss is studied. The system is discretized into a piecewise linear system with uncertainty. Then the model is handled by a polytopic overapproximation method to be more suitable for stability analysis. Finally, stability conditions are obtained and presented in terms of linear matrix inequalities (LMIs). The result is illustrated by a numerical example.
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页码:265 / 280
页数:15
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