The invention discloses a method for predicting the remaining driving range of a pure electric vehicle. The method comprises the steps that original data of the vehicle within a preset time span are collected and processed; training a joint prediction model according to the original data, and obtaining a predicted battery health state through the joint prediction model; training a mileage prediction model according to the combined prediction model and the original data; the charge state variation of the charging section is obtained, and the actual consumed energy of the battery is calculated according to the charge state variation and the predicted health state of the battery; obtaining the current environment temperature, obtaining predicted non-driving demand energy according to the original data and the current environment temperature, and calculating driving demand energy; and obtaining a prediction segment according to the driving demand energy, and inputting the working condition information, the average current and the residual electric quantity variation of the prediction segment into the mileage prediction model to obtain the residual driving mileage. According to the method for predicting the remaining driving range of the pure electric vehicle, the remaining driving range can be predicted in combination with the low-temperature environment and the battery recession condition, so that the prediction accuracy is improved.
本发明公开了一种纯电动车辆剩余续驶里程预测方法,包括采集并处理预设时间跨度的车辆的原始数据;根据原始数据训练联合预测模型,通过联合预测模型获得预测电池健康状态;并根据联合预测模型和原始数据训练里程预测模型;获取充电段的荷电状态变化量,根据荷电状态变化量和预测电池健康状态计算电池实际消耗能量;获取当前环境温度,根据原始数据和当前环境温度获得预测非行驶需求能量,并计算行驶需求能量;根据行驶需求能量获得预测片段,将预测片段的工况信息、平均电流和剩余电量变化量输入里程预测模型得到剩余续驶里程。本发明的纯电动车辆剩余续驶里程预测方法能够结合低温环境和电池衰退状况对剩余续驶里程进行预测,以提高预测准确度。
Method for predicting remaining driving range of pure electric vehicle
纯电动车辆剩余续驶里程预测方法
2025-05-02
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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