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Observer-based leader-follower bipartite consensus for linear multiagent systems with communication link faults

Author

Listed:
  • Yang, Dongsheng
  • He, Jing
  • Sun, Jiayue
  • Zhang, Juan

Abstract

This article investigates the observer-based leader-follower bipartite consensus (LFBC) problem for linear multiagent systems (MASs) with unknown communication link faults. Firstly, by designing the corresponding leader state observers for the leader and each follower respectively, and adaptively adjusting the coupling strength, the weight changes due to unknown communication link faults are solved. Secondly, novel double event-triggered mechanisms (DETMs) based on observers are proposed, which can realize communication and observers updating asynchronously and help to save communication resources. The triggering threshold is designed based on the adaptive leader state error, avoiding the need for continuous information exchange with neighboring agents. Afterwards, our proposed leader state observer-based approaches are applied to the control, aiming to ensure system performance and stabilize the handling of system faults. Finally, two simulation examples are presented to verify the effectiveness of the proposed control strategy.

Suggested Citation

  • Yang, Dongsheng & He, Jing & Sun, Jiayue & Zhang, Juan, 2026. "Observer-based leader-follower bipartite consensus for linear multiagent systems with communication link faults," Applied Mathematics and Computation, Elsevier, vol. 510(C).
    • Handle: RePEc:eee:apmaco:v:510:y:2026:i:c:s0096300325004163
    DOI: 10.1016/j.amc.2025.129690
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    References listed on IDEAS

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    1. Zheng, Leyi & Zhou, Yimin, 2025. "Event-triggered distributed consensus control of heterogeneous multi-agent system under communication and actuator faults," Applied Mathematics and Computation, Elsevier, vol. 487(C).
    2. Xia, Pei-Zhen & Chang, Xiao-Heng, 2025. "Observer-based security control for nonlinear networked systems: The SCP model of semi-Markov kernel approach," Applied Mathematics and Computation, Elsevier, vol. 498(C).
    3. Zhao, Miao & Xi, Jianxiang & Wang, Le & Wang, Cheng & Zheng, Yuanshi, 2025. "Fully distributed self-triggered secure consensus for nonlinear multiagent systems with sequential communication link scaling attacks," Applied Mathematics and Computation, Elsevier, vol. 490(C).
    4. Xiong, Shi-Xun & Xie, Xiang-Peng & Jiang, Guo-Ping & Chen, Meng-ting, 2024. "Prescribed time formation synchronous tracking of unmanned aerial vehicles with denial of service attacks," Applied Mathematics and Computation, Elsevier, vol. 474(C).
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