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Adaptive fault-tolerant safety-guaranteed fuzzy event-triggered rendezvous control for heterogeneous USV-UUV systems
Yuan Lin1, Zehua Jia1, Yue Yang2
1School of Information and Communication Engineering, Hainan University, Haikou 570228, China; Engineering Research Center of Marine Intelligent Systems, Ministry of Education, Haikou 570228, China.
Abstract:
The collaboration of heterogeneous marine vehicles offers an efficient approach for maritime missions. This paper investigates the rendezvous problem for underactuated surface vehicle and uncrewed underwater vehicle (USV-UUV) systems by proposing an adaptive fault-tolerant safety-guaranteed fuzzy event-triggered control scheme. A concise fault-tolerant control (FTC) framework is developed, requiring no fault information while handling unmodeled dynamics and disturbances. For inter-vehicle safety, a prescribed performance control-based (PPC) strategy is designed to achieve both collision avoidance and precise rendezvous. To improve communication efficiency, an error-driven adaptive event-triggered (EAET) mechanism is embedded in controller design. Stability analysis of the closed-loop system is presented, and simulation results validate the effectiveness of the proposed scheme.
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