Event-triggered adaptive secure tracking control for nonlinear cyber–physical systems against unknown deception attacks

Yongjie Tian, Huiyan Zhang, Yongchao Liu, Ning Zhao and Kalidass Mathiyalagan

Mathematics and Computers in Simulation (MATCOM), 2024, vol. 221, issue C, 79-93

Abstract: This article presents an event-triggered adaptive neural networks secure tracking control method for a class of nonlinear cyber–physical systems under unknown sensor and actuator deception attacks. To obtain the desired system performance, dynamic surface technique is applied to design controller and radial basis function neural networks are introduced to deal with unknown nonlinear and actuator attacks. By skillfully combining compensation signals with the attack compensators, the unknown deception attacks are effectively mitigated. To reduce the transmission communication load, a novel event-driven control scheme is developed by applying relative threshold triggered mechanism. On this basis, all the signals of closed-loop system are bounded under deception attacks by using Lyapunov stability analysis. Additionally, the presented secure tracking control strategy can ensure the tracking error converges to a small neighborhood of origin and the Zeno behavior is ruled out. Finally, a practical example is employed to verify the feasibility and effectiveness of the designed control algorithm.

Keywords: Adaptive neural control; Unknown deception attacks; Dynamic surface control; Relative threshold event-triggered control (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:221:y:2024:i:c:p:79-93

DOI: 10.1016/j.matcom.2024.02.022

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