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    This study presents an event-triggered control strategy for fractional-order multiagent systems (FOMASs). The method achieves zero-error leaderless consensus with improved performance and reduced communication, avoiding Zeno behavior.

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    Area of Science:

    • Control Systems Engineering
    • Applied Mathematics
    • Complex Systems

    Background:

    • Fractional-order multiagent systems (FOMASs) present unique control challenges.
    • Event-triggered communication is crucial for efficient resource utilization in FOMASs.
    • Leaderless consensus control is vital for coordinated behavior in distributed systems.

    Purpose of the Study:

    • To develop an event-triggered leaderless consensus control strategy for FOMASs.
    • To simplify controller design for high-order FOMASs.
    • To achieve zero-error consensus under limited communication.

    Main Methods:

    • Introduction of a filter to convert high-order FOMASs to first-order systems.
    • Design of two dynamic variables for event-triggering conditions.
    • Analysis of filtered output signal convergence.
    • Exclusion of Zeno behavior in the control strategy.

    Main Results:

    • The proposed filter simplifies controller design compared to traditional backstepping.
    • Zero-error leaderless consensus is achieved, surpassing ultimately uniformly bounded results.
    • The control strategy enhances consensus performance with limited communication resources.
    • Effectiveness verified through two illustrative examples.

    Conclusions:

    • The event-triggered control strategy effectively addresses leaderless consensus in FOMASs.
    • The dynamic variable-based triggering conditions ensure robust and efficient control.
    • The approach offers superior performance and communication efficiency for FOMASs.