The invention discloses a speed ratio correction method and device, a storage medium and a vehicle, and the method comprises the steps: obtaining the actual speed of the vehicle based on the driving parameters of the vehicle; calculating an actual speed ratio based on the actual vehicle speed and the motor rotating speed of the vehicle; the ratio of the actual speed ratio to a preset theoretical speed ratio is calculated, a speed ratio correction coefficient is obtained, the speed ratio correction coefficient is used for conducting speed ratio correction on the current gear speed ratio, a corrected speed ratio is obtained, and a motor controller of the vehicle adjusts the operation power of a driving motor according to the corrected speed ratio. The driving parameters of the vehicle and the motor rotating speed of the driving motor serve as reference bases of the actual speed ratio calculation process, it is ensured that the calculated actual speed ratio is matched with the actual working condition, the actual speed ratio and the theoretical speed ratio are used for calculation to obtain the speed ratio correction coefficient, and the speed ratio correction coefficient is used for conducting speed ratio correction on the current gear speed ratio; the corrected speed ratio which is more accurate than the current gear speed ratio is obtained, and the regulation and control precision of a motor controller is improved.
本申请公开了一种速比的修正方法、装置、存储介质和车辆,该方法为:基于车辆的行驶参数,获得车辆的实际车速;基于实际车速与车辆的电机转速,计算得到实际速比;计算实际速比与预设的理论速比之间的比值,得到速比修正系数,其中,速比修正系数用于对当前档位速比进行速比修正,得到修正速比,以使车辆的电机控制器依据修正速比调整驱动电机的运行功率。本申请以车辆的行驶参数以及驱动电机的电机转速,作为实际速比计算过程的参考依据,确保计算得到实际速比与现实工况吻合,利用实际速比与理论速比计算得到速比修正系数,并利用速比修正系数对当前档位速比进行速比修正,得到比当前档位速比更加准确的修正速比,提高电机控制器的调控精度。
Speed ratio correction method and device, storage medium and vehicle
速比的修正方法、装置、存储介质和车辆
2024-01-02
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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