OICC Press Signal Processing and Renewable Energy (SPRE) 2588-7335 9 1 (March 2025) 2025 03 01 Actuator Fault Event-Triggered Compensation for Multiagent Fractional-Order Nonlinear Systems 10.57647/j.spre.2025.0901.03 EN Fatemeh Gholami Department of Electrical Engineering  AND  Digital Processing and Machine Vision Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran https://orcid.org/0009-0002-1710-8571 Mahnaz Hashemi Department of Electrical Engineering  AND  Digital Processing and Machine Vision Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran https://orcid.org/0000-0002-7454-6423 Ghazanfar Shahgholian Department of Electrical Engineering  AND  Smart Microgrid Research Center, Najafabad Branch, Islamic Azad University, Najafabad, Iran https://orcid.org/0000-0003-2774-4694 Journal Article 2025 03 01 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.