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    This study addresses multiagent bipartite consensus under disturbances and antagonistic interactions using an observer-based controller. An event-triggered strategy is developed for limited bandwidth networks, preventing Zeno behavior.

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    Area of Science:

    • Control Theory
    • Networked Systems
    • Distributed Systems

    Background:

    • Multiagent systems require coordination for collective tasks.
    • Bipartite consensus is crucial in systems with opposing groups.
    • Deterministic disturbances and antagonistic interactions pose significant challenges.

    Purpose of the Study:

    • To design an observer-based output-feedback controller for multiagent bipartite consensus.
    • To address deterministic disturbances satisfying the matching condition.
    • To develop an event-triggered control strategy for communication-limited networks.

    Main Methods:

    • Observer-based output-feedback control design.
    • Analysis of bipartite consensus under deterministic disturbances.
    • Event-triggered control with node-based broadcast updating.
    • Zeno behavior analysis and avoidance.

    Main Results:

    • Guaranteed bipartite consensus in the presence of deterministic disturbances.
    • A novel event-triggered control protocol for communication constraints.
    • Effective ruling out of Zeno behavior in the event-triggered system.
    • Validation of theoretical results through simulations.

    Conclusions:

    • The proposed observer-based controller ensures bipartite consensus under specific disturbances.
    • The event-triggered approach enhances practical applicability in bandwidth-limited systems.
    • The study provides a robust framework for consensus problems in complex networks.