Lateral control is an essential part of driverless mining truck systems. However, the considerable steering lag and poor tracking accuracy limit the development of unmanned mining. In this article, a dynamic preview distance was designed to resist the steering lag. Then the vehicle–road states, which described the real-time lateral and heading errors between the vehicle and the target road, was defined to describe the control strategy more efficiently. In order to trade off the tracking accuracy and stability, the Takagi–Sugeno (TS) fuzzy method was used to adjust the weight matrix of the linear quadratic regulator (LQR) for different vehicle–road states. Based on the actual mine production environment and the TR100 mining truck, experimental results show that the TS-LQR algorithm performed much better than the pure pursuit algorithm.


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    Title :

    Lateral Control for Driverless Mining Trucks with the Consideration of Steering Lag and Vehicle–Road States


    Additional title:

    Sae Int. J. Commer. Veh


    Contributors:
    Wu, Guangqiang (author) / Zong, Jianzhuang (author) / Zeng, Qi (author) / Chen, Qiushi (author)


    Publication date :

    2023-12-14


    Size :

    15 pages




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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