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Related Experiment Video

Updated: Aug 14, 2025

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Adaptive fixed-time consensus for stochastic multi-agent systems with uncertain actuator faults.

Guanli Xiao1, JinRong Wang1, Dong Shen2

  • 1Department of Mathematics, Guizhou University, Guiyang, Guizhou 550025, China; Gui'an Supercomputing Center, Kechuang Industrial Development Company Limited, Gui'an New Area, Guiyang, Guizhou 550025, China.

ISA Transactions
|January 9, 2023
PubMed
Summary

This study introduces adaptive fixed-time consensus control for stochastic multi-agent systems (SMASs) facing actuator faults. New protocols ensure fault-tolerant consensus and containment, even with communication issues.

Keywords:
Adaptive technologyFault toleranceFixed-time consensus controlStochastic multi-agent systems

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Area of Science:

  • Control Theory
  • Systems Engineering
  • Robotics

Background:

  • Stochastic multi-agent systems (SMASs) are crucial in distributed control.
  • Actuator faults and communication uncertainties pose significant challenges to system consensus.
  • Achieving fixed-time consensus is desirable for rapid and predictable system behavior.

Purpose of the Study:

  • To develop adaptive fixed-time consensus control strategies for SMASs with uncertain actuator faults.
  • To design fault-tolerant protocols ensuring consensus despite actuator failures.
  • To address containment consensus in SMASs with unbalanced communication networks.

Main Methods:

  • Development of fully distributed adaptive consensus protocols.
  • Design of adaptive fault-tolerant consensus protocols.
  • Utilization of the signum function for adaptive fault-tolerant containment consensus.
  • Simulation studies to validate protocol efficacy.

Main Results:

  • Proposed protocols achieve fixed-time consensus for SMASs with actuator faults.
  • Fault-tolerant protocols successfully maintain consensus under fault conditions.
  • The containment consensus protocol effectively handles unbalanced communication networks.

Conclusions:

  • The developed adaptive protocols ensure robust and efficient fixed-time consensus in SMASs.
  • The fault-tolerant strategies are effective in mitigating actuator fault impacts.
  • The containment consensus protocol offers a viable solution for complex network topologies.