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Event-based privacy-consensus control for multiagent systems: An enhanced framework for fault-tolerance and protection against eavesdropping

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  • Hu, Xiaoyan
  • Ye, Dan

Abstract

This paper investigates the consensus problem of privacy protection for multi-agent systems (MASs) under conditions of compound faults. We develop a fault-tolerant observer that utilizes intermediate variables to estimate both the system state and compound faults, specifically addressing sensor and actuator faults in the physical layer of the system. To safeguard the privacy of communication data at the network layer, a dual protection encoding and decoding strategy is proposed. Furthermore, an intermittent event-triggered mechanism (ETM) is introduced to mitigate the computational and communication burdens imposed by the encoding algorithms. Discrete-time combination measurement values are employed to enhance the generalizability of the ETM. Within the framework of encryption and decryption, fault-tolerant consensus control algorithm is designed to counter two types of eavesdroppers, thereby achieving privacy consensus for MASs while addressing challenges associated with physical layer faults. In the end, a simulation of an island microgrid (MG) with five distributed generators (DGs) is developed to confirm the efficacy of the suggested approach.

Suggested Citation

  • Hu, Xiaoyan & Ye, Dan, 2025. "Event-based privacy-consensus control for multiagent systems: An enhanced framework for fault-tolerance and protection against eavesdropping," Applied Mathematics and Computation, Elsevier, vol. 500(C).
    • Handle: RePEc:eee:apmaco:v:500:y:2025:i:c:s0096300325001730
    DOI: 10.1016/j.amc.2025.129446
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    References listed on IDEAS

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    1. Gu, Yang & Sun, Zhenxing & Li, Li-Wei & Park, Ju H. & Shen, Mouquan, 2022. "Event-triggered security adaptive control of uncertain multi-area power systems with cyber attacks," Applied Mathematics and Computation, Elsevier, vol. 432(C).
    2. Guo, Xiyue & Zhang, Huaguang & Liu, Xin & Yue, Xiaohui, 2024. "Output-mask-based adaptive NN control for stochastic time-delayed multi-agent systems with a unified event-triggered approach," Applied Mathematics and Computation, Elsevier, vol. 475(C).
    3. Zhu, Zhibin & Wang, Fuyong & Yin, Yanhui & Liu, Zhongxin & Chen, Zengqiang, 2022. "Distributed fault-tolerant containment control for a class of non-linear multi-agent systems via event-triggered mechanism," Applied Mathematics and Computation, Elsevier, vol. 430(C).
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