Adaptive Fuzzy Fast Finite-Time Control of Nonlinear Pure-Feedback Systems With Actuator Faults

Autor: Jinyuan Wu, Zhifang Shen, Guodong You, Jietian Su, Xingyun Li, Hailong Zhang
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: IEEE Access, Vol 12, Pp 158422-158435 (2024)
Druh dokumentu: article
ISSN: 2169-3536
DOI: 10.1109/ACCESS.2024.3485909
Popis: This paper investigates a fuzzy adaptive fast finite-time control method for nonlinear pure-feedback systems (PFSs) with time-varying actuator faults. Using the mean-value theorem (MVT) to handle the non-affine functions in the system and to effectively decouple the control input signals. By integrating the approximation ability of fuzzy logic systems (FLSs), the fast finite-time control theory, and the backstepping techniques, a fuzzy-based fast finite-time fault-tolerant control method is proposed. Meanwhile, the fault-tolerant controller designed in this paper can effectively compensates the actuator faults. The theoretical analysis verifies that the strategy ensures the convergence of the tracking error and all closed-loop signals are bounded in fast finite-time. Finally, the effectiveness and feasibility of the proposed control strategy are verified by two numerical simulations.
Databáze: Directory of Open Access Journals