An adaptive fault-tolerant anti-rollover fuzzy system is proposed to improve the anti-rollover performance of counterbalanced forklifts. Considering the actual control input, various unpredictable actuator failure models in the system are established. Based on the three degree-of-freedom (DOF) model of a counterbalanced forklift, an anti-rollover Takagi-Sugeno (T-S) fuzzy system is established. The stability of this anti-rollover system is analyzed to ensure its stability under specific control inputs and external disturbances. When the upper limits of actuator faults and disturbances are unknown, an adaptive fault-tolerant control method is designed to update the controller parameters. The sufficient conditions for the stability of the forklift anti-rollover system in the presence of actuator faults and external disturbances are given using the Lyapunov stability theory. Simulation and real vehicle tests based on MATLAB/Simulink show that the anti-rollover system with adaptive fault-tolerant control can reduce impacts effectively and quickly after the actuator fails, thereby improving the safety and reliability of the forklift.


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    Titel :

    Adaptive Fault-Tolerant Control Considering the Actuator Failure of Forklift Anti-Rollover System


    Weitere Titelangaben:

    Int.J Automot. Technol.


    Beteiligte:
    Xia, Guang (Autor:in) / Li, Tao (Autor:in) / Tang, Xiwen (Autor:in) / Zhang, Yang (Autor:in) / Zhao, Linfeng (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.06.2023


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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