The invention discloses an automobile endurance estimation method and system, and the method comprises the steps: obtaining automobile driving information and self attribute information, and the automobile driving information comprises future driving mileage, real-time speed, real-time wind speed, brake pedal parameters and load weight; the attribute information comprises residual electric energy, theoretical driving resistance and theoretical vehicle weight; the actual weight of the automobile is obtained according to the load weight, the theoretical driving resistance is corrected according to the actual weight of the automobile, the theoretical automobile weight and the real-time wind speed, and the function relation between the actual driving resistance and the real-time automobile speed is obtained; according to the parameters of the brake pedal, calculating the predicted total recovery energy of the future mileage; calculating predicted total consumed energy according to the actual driving resistance, the real-time vehicle speed, the future driving mileage and the predicted recovered total energy; and calculating the energy consumption per unit mileage according to the predicted total consumed energy and the future driving mileage, and then calculating the endurance mileage according to the residual electric energy and the energy consumption per unit mileage. Therefore, the endurance mileage of future driving can be better estimated.
本发明公开了一种汽车续航的估算方法及系统,方法包括:获取汽车行驶信息与自身属性信息,汽车行驶信息包括未来行驶里程、实时车速、实时风速、制动踏板参数与负载重量;自身属性信息包括剩余电能、理论行驶阻力、理论车重;根据负载重量获得汽车实际重量,根据汽车实际重量、理论车重、实时风速修正理论行驶阻力,获得实际行驶阻力与实时车速的函数关系;根据制动踏板参数计算未来行驶里程的预计回收总能量;根据实际行驶阻力、实时车速、未来行驶里程、预计回收总能量计算预测总消耗能量;根据预测总消耗能量与未来行驶里程计算单位里程的能量消耗量,再根据剩余电能与单位里程的能量消耗量计算续航里程。因此,更好地预估未来行驶的续航里程。
Method and system for estimating endurance of automobile
汽车续航的估算方法及系统
2022-04-15
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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