The invention provides a wheel transmission instability power redistribution control method for an automobile, and the method specifically comprises the following steps: S1, obtaining vehicle operation data through a high-precision sensor, the vehicle operation data comprises vehicle operation state data and vehicle surrounding environment data, the high-precision sensor comprises a wheel speed sensor, an acceleration sensor, a gyroscope, an environment sensing camera and a radar; s2, analyzing the vehicle operation data, and identifying an early sign of wheel instability; s3, when it is recognized that the wheels have the instability risk, a dynamic power redistribution mechanism is started to optimize torque output of all the wheels, and the instability state is corrected; and S4, comprehensively considering the control targets of the wheel slip rate, the lateral stability and the trajectory tracking capability, and balancing conflicts among the targets by adopting a multi-target optimization algorithm to obtain an optimal power distribution scheme.
本发明提供了一种用于汽车的车轮传动失稳动力再分配控制方法,具体包括如下步骤:步骤S1、通过高精度传感器实施获取车辆运行数据,所述车辆运行数据包括车辆运行状态数据以及车辆周围环境数据,所述高精度传感器包括轮速传感器、加速度传感器、陀螺仪、环境感知摄像头及雷达;步骤S2、对所述车辆运行数据进行分析,识别车轮失稳的早期迹象;步骤S3、当识别到车轮具有失稳风险时,启动动态动力再分配机制,以优化各车轮的扭矩输出,纠正失稳状态;步骤S4、综合考虑车轮滑移率、侧向稳定性、轨迹跟踪能力的控制目标,采用多目标优化算法,平衡各目标之间的冲突,得到最优的动力分配方案。
Wheel transmission instability power redistribution control method for automobile
一种用于汽车的车轮传动失稳动力再分配控制方法
29.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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