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Discrete-time event-triggered H-infinity stabilization for three closed-loop cyber-physical system with uncertain delay

Author

Listed:
  • Du, Zhaoping
  • Zhang, Chi
  • Yang, Xiaofei
  • Ye, Hui
  • Li, Jianzhen

Abstract

This paper investigates the problems of modeling and H∞ control for discrete three closed-loop cyber-physical system (CPS) with network delay, disturbance, and event-triggered control for the first time. A new even-triggered scheme is designed by incorporating a disturbance term, which reduces the number of triggers compared with some previous ones due to the inclusion of disturbance, and leads to the expansion of the triggered intervals. First, a new model of the system is constructed. Then, to provide sufficient conditions of the stability for the system with H∞ control, Lyapunov function and linear matrix inequality (LMI) techniques are used. Furthermore, the co-design method of three controllers and event-triggered matrix is proposed. Finally, the feasibility and practicality of the method proposed in this paper are verified by a simulation example of a marine boiler power generation control system. This kind of three closed-loop CPS model is constructed for the first time, which has been applied in different control systems such as servo motors, thermal power generation, etc.

Suggested Citation

  • Du, Zhaoping & Zhang, Chi & Yang, Xiaofei & Ye, Hui & Li, Jianzhen, 2025. "Discrete-time event-triggered H-infinity stabilization for three closed-loop cyber-physical system with uncertain delay," Applied Mathematics and Computation, Elsevier, vol. 488(C).
    • Handle: RePEc:eee:apmaco:v:488:y:2025:i:c:s0096300324005885
    DOI: 10.1016/j.amc.2024.129127
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