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Multi-agent based event-triggered distributed cooperative fault detection.

Limei Liang1, Shuai Liu1, Yueyang Li2

  • 1School of Control Science and Engineering, Shandong University, Jinan 250061, China.

ISA Transactions
|January 26, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces an optimal event-triggered distributed cooperative fault detection scheme using multi-agent systems. The method enhances fault detection by optimizing data transmission and improving robustness against disturbances.

Keywords:
Distributed cooperative fault detectionEvent-triggered mechanismMulti-agent systems

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Area of Science:

  • Control Systems Engineering
  • Distributed Systems
  • Fault Detection and Diagnosis

Background:

  • Cooperative fault detection in multi-agent systems is crucial for reliability.
  • Event-triggered mechanisms optimize communication by transmitting data only when necessary.
  • Existing methods may struggle with disturbances and communication uncertainties.

Purpose of the Study:

  • To develop an optimal event-triggered distributed cooperative fault detection scheme.
  • To design a robust residual generator balancing disturbance rejection and fault sensitivity.
  • To create a time-varying threshold for accurate fault evaluation.

Main Methods:

  • A multi-agent system architecture is employed.
  • An event-triggered mechanism is implemented for selective data transmission.
  • A novel residual generator and evaluator are proposed, considering disturbances and transmission errors.

Main Results:

  • The proposed scheme effectively detects faults in a distributed cooperative manner.
  • The residual generator achieves an optimal trade-off between robustness and sensitivity.
  • The residual evaluator provides accurate time-varying thresholds.

Conclusions:

  • The developed scheme offers an efficient and robust solution for cooperative fault detection.
  • Event-triggered communication significantly reduces data transmission while maintaining performance.
  • The approach is validated through an illustrative example, demonstrating its practical applicability.