An automobile lateral stability control method based on a lateral acceleration prediction model is characterized in that an expected yaw velocity calculation module, an MPC controller, the lateral acceleration prediction model, a braking torque calculation module and a CarSim automobile model are included in the method. The expected yaw velocity calculation module is used for determining an expected yaw velocity; the MPC controller is used for optimizing and solving the front wheel turning angle of the automobile and inputting the front wheel turning angle to the CarSim automobile model, so that the yaw velocity tracking control of the automobile is realized; the lateral acceleration prediction model predicts a lateral acceleration value within Ts * Np seconds after the current moment; and the braking torque calculation module judges whether to carry out advanced braking intervention or not according to a prediction result of the prediction model, distributes braking torque according to a front axle load distribution proportion and a rear axle load distribution proportion, and inputs the calculated braking torque to the CarSim automobile model, so that the lateral stability of the automobile is improved.

    一种基于侧向加速度预测模型的汽车侧向稳定性控制方法,其特征在于,该方法包括期望横摆角速度计算模块、MPC控制器、侧向加速度预测模型、制动力矩计算模块以及CarSim汽车模型。期望横摆角速度计算模块用于确定期望的横摆角速度;MPC控制器用于优化求解出汽车的前轮转角并输入给CarSim汽车模型,实现汽车的横摆角速度跟踪控制;侧向加速度预测模型预测出当前时刻之后Ts*Np秒内的侧向加速度值;制动力矩计算模块根据预测模型的预测结果判断是否进行提前制动干预,并按前、后轴载荷分配比例来分配制动力矩,将计算出的制动力矩输入给CarSim汽车模型,提高汽车的侧向稳定性。


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    Titel :

    Automobile lateral stability control method based on lateral acceleration prediction model


    Weitere Titelangaben:

    一种基于侧向加速度预测模型的汽车侧向稳定性控制方法


    Beteiligte:
    LI SHAOSONG (Autor:in) / WANG XUYANG (Autor:in) / LI DETAO (Autor:in) / WANG HAN (Autor:in) / WANG ZAIXIAO (Autor:in) / LIU NA (Autor:in) / YU ZHIXIN (Autor:in) / LU XIAOHUI (Autor:in)

    Erscheinungsdatum :

    2022-11-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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