The invention relates to a torque distribution and driving anti-skid coordination control method for a four-wheel-drive electric vehicle with independent front and back driving, and belongs to the field of new energy vehicle chassis intelligent control. The method specifically comprises the steps of S1, building vehicle dynamics and all part models, wherein the models comprise a vehicle dynamics model, a driver model, a motor model and a battery model; S2, constructing a torque distribution control strategy based on economy; S3, constructing a driving antiskid control strategy; and S4, constructing a torque distribution and driving antiskid coordination control strategy. According to the coordination control strategy provided by the invention, unnecessary energy consumption can be reducedas much as possible on the premise of ensuring the safety of the vehicle, the dynamic property of the whole vehicle is ensured by introducing the torque compensation strategy, and the coordination control strategy has important significance for improving the performance performance of the pure electric vehicle and the recognition degree of a driver.
本发明涉及一种前后独立驱动四驱电动汽车的转矩分配及驱动防滑协调控制方法,属于新能源汽车底盘智能控制领域。该方法具体包括:S1:搭建整车动力学及各部件模型,包括车辆动力学模型、驾驶员模型、电机模型和电池模型;S2:构建基于经济性的转矩分配控制策略;S3:构建驱动防滑控制策略;S4:构建转矩分配及驱动防滑协调控制策略。本发明给出的协调控制策略能够在保证车辆安全性的前提下,尽可能减少不必要的能耗,通过引入转矩补偿策略,保证整车动力性,对提升纯电动汽车性能表现以及驾驶员认可度具有重要意义。
Torque distribution and driving anti-skid coordination control method for four-wheel-drive electric vehicle with independent front and back driving
一种前后独立驱动四驱电动汽车的转矩分配及驱动防滑协调控制方法
2021-02-12
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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