The invention provides a method and system for predicting the remaining endurance mileage of an electric vehicle, and belongs to the technical field of new energy vehicles. The prediction method comprises the following steps: acquiring time sequence data of a driving habit of the electric vehicle; driving habit features are extracted according to the time sequence data of the driving habits, and driving habit feature vectors are obtained; constructing a driving habit model according to the driving habit feature vector; integrating data acquisition, cleaning and calibration to obtain calibration data; calculating basic driving energy consumption, auxiliary system energy consumption, battery management system energy consumption and motor efficiency loss according to the calibration data, and constructing an energy consumption model; and calculating an initial endurance mileage according to the battery remaining capacity, sequentially correcting based on the driving habit correction coefficient, the battery capacity loss coefficient and the road condition correction coefficient, and predicting the remaining endurance mileage. The method solves the problem of mileage false report and the like caused by the fact that an existing electric vehicle endurance mileage prediction model is difficult to accurately consider the influences of vehicle parameters, battery performance, environmental factors and the like.
本发明提供一种电动车辆剩余续航里程的预测方法及系统,属于新能源车辆技术领域。该预测方法包括:获取电动车辆的驾驶习惯的时间序列数据;根据驾驶习惯的时间序列数据提取驾驶习惯特征,获得驾驶习惯特征向量;根据驾驶习惯特征向量构建驾驶习惯模型;综合数据采集、清洗与校准,获得校准数据;根据校准数据计算基础行驶能耗、辅助系统能耗、电池管理系统能耗及电机效率损耗,构建能耗模型;根据电池剩余电量计算初始续航里程,基于驾驶习惯修正系数、电池容量折损系数及路况修正系数依次进行修正,预测剩余续航里程。本发明解决了现有电动汽车续航里程预测模型很难准确考虑整车参数、电池性能以及环境因素等影响,导致里程虚报等问题。
Method and system for predicting remaining endurance mileage of electric vehicle
一种电动车辆剩余续航里程的预测方法及系统
2025-05-02
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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