4.7 Article

Adaptive Fault-Tolerant Control for Nonlinear MASs Under Actuator Faults and DoS Attacks

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IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TSMC.2023.3276364

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Adaptive fault-tolerant control (FTC); average dwell time (ADT); mixed connectivity-maintained/broken (MCMB) attacks

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In this article, the authors study the adaptive fault-tolerant control for multiagent systems under denial-of-service attacks and actuator faults. They propose a novel fault-tolerant control strategy to compensate for node faults and use Lyapunov stability analysis to prove the bounded synchronization of the systems under denial-of-service attacks. The proposed approach is validated through simulation using nonlinear forced pendulum systems.
In this article, we study the adaptive fault-tolerant control (FTC) for multiagent systems (MASs) under denial-of-service (DoS) attacks and actuator faults. The mixed connectivity-maintained/broken attack containing both connectivity-maintained and connectivity-broken attacks is considered, which results that the MASs are with switching topologies. Also, characteristics of DoS attacks, such as durations and frequencies of attacks, make it more difficult to design fault-tolerant controllers and analyze the stability for MASs with node faults. A novel FTC strategy is presented to compensate for node faults. Then, by using the Lyapunov stability analysis, an average dwell-time condition is presented for the bounded synchronization of MASs under DoS attacks. An example of nonlinear forced pendulum systems is proposed to verify the proposed approach.

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