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

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Abstract

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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Authors and Affiliations

  1. The Key Laboratory of Intelligent Control and Decision of Complex System, Beijing Institute of Technology, Beijing, 100081, China

    Zhao Wang, Jian Sun & Yongqiang Bai

Authors
  1. Zhao Wang
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  2. Jian Sun
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  3. Yongqiang Bai
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Corresponding author

Correspondence to Yongqiang Bai.

Additional information

This research was supported by the National Natural Science Foundation of China under Grant Nos. 61522303, 61621063, 61720106011, Program for Changjiang Scholars and Innovative Research Team in University (IRT1208), Youth Changjiang Scholars Program.

This paper was recommended for publication by Editor LIU Guoping.

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Wang, Z., Sun, J. & Bai, Y. Stability Analysis of Event-Triggered Networked Control Systems with Time-Varying Delay and Packet Loss. J Syst Sci Complex 34, 265–280 (2021). https://doi.org/10.1007/s11424-020-9299-1

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  • DOI: https://doi.org/10.1007/s11424-020-9299-1

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