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  3. Fault-tolerant Synchronization Control Of Switched Complex Networks By A Proportional-integral Intermediate Observer Approach.
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  3. Fault-tolerant Synchronization Control Of Switched Complex Networks By A Proportional-integral Intermediate Observer Approach.

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Fault-Tolerant Synchronization Control of Switched Complex Networks by a Proportional-Integral Intermediate Observer

Mouquan Shen, Chen Wang, Qing-Guo Wang

    IEEE Transactions on Cybernetics
    |August 13, 2025

    View abstract on PubMed

    Summary
    This summary is machine-generated.

    This study presents a new observer and hybrid controller for synchronization control of switched complex networks (CN) with unknown states and actuator faults. The method ensures reliable synchronization performance despite asynchronous switching and impulses.

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    Area of Science:

    • Control Systems Engineering
    • Network Synchronization
    • Fault Diagnosis

    Background:

    • Switched complex networks (CN) face challenges in synchronization due to unknown states and actuator faults.
    • Asynchronous switching and impulse occurrences complicate control design.

    Purpose of the Study:

    • To develop a robust synchronization control strategy for switched CN with unknown states and actuator faults.
    • To enhance estimation accuracy for unknown states and faults.
    • To ensure uniformly bounded synchronization performance.

    Main Methods:

    • A mode-dependent proportional-integral intermediate observer is proposed for accurate state estimation.
    • A hybrid controller is designed to manage asynchronous switching and impulse events.
  • Mode-dependent average dwell time and impulsive interval criteria are utilized.

    • Main Results:

    • The proposed observer achieves high-estimation accuracy for unknown states.
    • The hybrid controller effectively handles asynchronous impulses and switching.
    • The established criterion guarantees uniformly bounded synchronization performance.

    Conclusions:

    • The developed method provides an effective solution for synchronization control of switched CN under uncertainties and faults.
    • Simulation results validate the proposed approach's effectiveness and robustness.