Actuator Fault Event-Triggered Compensation for Multiagent Fractional-Order Nonlinear Systems
- Department of Electrical Engineering AND Digital Processing and Machine Vision Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran
- Department of Electrical Engineering AND Smart Microgrid Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran
Received: 2025-01-19
Revised: 2025-02-07
Accepted: 2025-02-14
Published 2025-03-01
Copyright (c) 2025 Fatemeh Gholami, Mahnaz Hashemi, Ghazanfar Shahgholian (Author)

This work is licensed under a Creative Commons Attribution-NoDerivatives 4.0 International License.
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Abstract
This paper proposes a novel distributed adaptive dynamic event-triggered control (DADETC) scheme for uncertainties multi-agent fractional-order nonlinear systems affected by actuator faults. The proposed controller can compensate for a wide range of actuator failures without the necessity for explicit fault detection. To address the problem of the unnecessary waste of communication resources, a distributed dynamic event-triggered control (DETC) is designed. In the design process, it is assumed that only the information of the first state of the followers is available. A state observer is used to measure non-measurable states. Neural networks are used to approximate uncertainties. Then, an adaptive fault strategy is applied for compensate the loss of effectiveness and stuck actuator faults. A detailed analytical proof is presented in the following to show that the proposed strategy successfully avoids the Zeno phenomenon. Finally, the Lyapunov fractional-order stability method is employed to guarantee the boundedness of all closed-loop signals and the convergence of the tracking error to a small neighborhood of the origin.
Keywords
- Actuator fault,
- Adaptive control,
- Dynamic event-triggered control,
- Fractional-order systems,
- Multi-agent systems,
- Neural networks,
- Strict-feedback systems
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