The invention relates to the technical field of automobile control methods, in particular to a method for estimating the driving range of a pure electric automobile. The method comprises the following steps: S1, acquiring current real-time power consumption and residual electric quantity of accessories of the whole vehicle; s2, dividing the historical driving mileage of the vehicle into a short mileage and a long mileage according to a set distance, and respectively calculating the average power consumption of a short-mileage motor and the average power consumption of a long-mileage motor; s3, calculating the current average power consumption of the motor according to the average power consumption of the short-mileage motor, the average power consumption of the long-mileage motor and respective weight coefficients; and S4, calculating the remaining endurance mileage of the electric vehicle according to the current average power consumption of the motor, the remaining electric quantity of the battery and the real-time power consumption of accessories. The estimation method for the driving mileage of the pure electric vehicle is simple, the short mileage and the long mileage are distinguished, the average power consumption of the motor under the short mileage and the long mileage is calculated respectively, the driving mileage is calculated finally, the power consumption characteristics of the motor under different driving mileages are considered, and the calculation result is more accurate.
本发明涉及汽车控制方法技术领域,具体地指一种估算纯电动汽车续驶里程的方法。按照以下步骤进行:S1、获取当前整车辅件实时功耗和剩余电量;S2、按照设定距离将该车历史行驶里程划分为短里程和长里程,并分别计算短里程电机平均功耗和长里程电机平均功耗;S3、根据短里程电机平均功耗和长里程电机平均功耗以及各自的权重系数计算当前电机平均功耗;S4、根据当前电机平均功耗、电池剩余电量和辅件实时功耗计算电动车剩余续航里程。本申请的纯电动汽车续驶里程的估算方法简单,通过区分短里程和长里程,并分别计算在短里程和长里程下的电机平均功耗,最后计算续驶里程,考虑了不同行驶里程下电机的功耗特征,计算的结果更为准确。
Method for estimating driving range of pure electric vehicle
估算纯电动汽车续驶里程的方法
2023-04-21
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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