The invention relates to the technical field of electric vehicle power, in particular to an electric vehicle power calculation optimization method and an electric vehicle. According to the method, real-time data of the electric vehicle during running can be obtained, rolling resistance, climbing resistance, air resistance and acceleration resistance are calculated according to the real-time data, and total running resistance is obtained through accumulation; calculating the target torque of the motor according to the total driving resistance and the radius of the wheel of the electric vehicle; and generating a motor control instruction according to the motor target torque. It can be understood that according to the technical scheme shown by the invention, rolling resistance, climbing resistance, air resistance and acceleration resistance are dynamically coupled, the running resistance is calculated by integrating multiple factors, high-precision power demand prediction is achieved, and a basis is provided for precise matching of a power system of the electric vehicle.
本发明涉及电动车动力技术领域,具体涉及一种电动车动力计算优化方法及电动车,该方法能够获取电动车行驶时的实时数据,根据实时数据计算滚动阻力、爬坡阻力、空气阻力和加速阻力,累加得到总行驶阻力;根据所述总行驶阻力和电动车车轮半径,计算得出电机目标扭矩;根据电机目标扭矩生成电机控制指令。可以理解的是,本发明示出的技术方案,动态耦合了滚动阻力、爬坡阻力、空气阻力和加速阻力,整合多因素计算行驶阻力,实现高精度动力需求预测,为电动车的动力系统精准匹配提供依据。
Electric vehicle power calculation optimization method and electric vehicle
一种电动车动力计算优化方法及电动车
16.05.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
Electric vehicle power consumption calculation method, vehicle control unit, system and vehicle
Europäisches Patentamt | 2020
|Electric vehicle power consumption calculation method and system
Europäisches Patentamt | 2021
|Europäisches Patentamt | 2023
|Electric vehicle and electric vehicle power switch method
Europäisches Patentamt | 2021
|ELECTRIC VEHICLE AND ELECTRIC VEHICLE POWER SWITCH METHOD
Europäisches Patentamt | 2019
|