The invention relates to a torque distribution method for a four-wheel drive vehicle, terminal equipment and a storage medium. The method comprises the following steps: respectively establishing objective functions for representing the dynamic property, the economical efficiency, the handling stability and the driving safety of the vehicle; constructing a neural network model, and performing training to enable the model to obtain four weight coefficients corresponding to the four objective functions according to input vehicle motion features; obtaining an optimized objective function according to the four objective functions and four corresponding weight coefficients obtained based on the trained neural network model; setting constraint conditions for optimizing the objective function K; and optimizing weight vector distribution in the multi-objective evolutionary algorithm through four weight coefficients obtained based on the trained neural network model, and solving the optimization objective function K by adopting the optimized multi-objective evolutionary algorithm. The problem that the optimization target is too single in the prior art is avoided, and the overall performance target of the vehicle can be optimal as far as possible.
本发明涉及一种四轮驱动车辆转矩分配方法、终端设备及存储介质,该方法中包括:分别建立表征车辆动力性、经济性、操纵稳定性和行驶安全性的目标函数;构建神经网络模型,并进行训练,使得模型能够根据输入的车辆运动特征得到四个目标函数对应的四个权重系数;根据四个目标函数和其基于训练后的神经网络模型得到的对应的四个权重系数得到优化目标函数;设置优化目标函数K的约束条件;通过基于训练后的神经网络模型得到的四个权重系数,优化多目标进化算法中的权重向量分布,采用优化后的多目标进化算法对优化目标函数K进行求解。本发明避免了现有技术中优化目标过于单一的问题,可以使车辆总体性能目标尽可能达到最优。
Four-wheel drive vehicle torque distribution method, terminal equipment and storage medium
一种四轮驱动车辆转矩分配方法、终端设备及存储介质
2022-11-15
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen |
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