The invention provides an electric vehicle energy consumption prediction method and system based on high-speed driving, and the method comprises the steps: obtaining vehicle operation data of an electric vehicle, obtaining a high-speed working condition driving segment, extracting a plurality of acceleration segments from the high-speed working condition driving segment, obtaining energy consumption data in the acceleration segments, and carrying out the calculation to obtain consumed energy; the method comprises the following steps: acquiring vehicle driving levelness, calculating a vehicle slope, acquiring historical data of driving of an electric vehicle under various conditions, processing the historical data by adopting a Kmeans clustering algorithm to obtain collection features, performing principal component analysis on the collection features to select feature principal components, and inputting the principal components into a regression algorithm machine learning model in combination with vehicle end dynamic and static parameters to obtain a regression algorithm model; and training to obtain an electric vehicle energy consumption prediction model, obtaining a target feature principal component, and obtaining predicted energy consumption of the electric vehicle through the electric vehicle energy consumption prediction model. The method improves the accuracy and reliability of energy consumption prediction, facilitates the reasonable route planning of a driver, and relieves the mileage anxiety.

    本发明提供一种基于高速行驶的电动汽车能耗预测方法和系统,其中,方法包括:获取电动汽车的车辆运行数据,得到高速工况行驶片段,在其中提取得到若干加速片段,获取加速片段中的能耗数据,计算得到消耗能源;获取车辆行驶水平度计算车辆坡度,并获取电动汽车在多种条件下行驶的历史数据,采用Kmeans聚类算法对历史数据进行处理,得到采集特征,对采集特征进行主成分分析选取特征主成分,结合车端动静态参数输入到回归算法机器学习模型中,训练得到电动汽车能耗预测模型,获取目标特征主成分,通过电动汽车能耗预测模型,得到电动汽车的预测能耗。本发明提高了能耗预测的精确度和可靠性,便于驾驶员合理进行路线规划,缓解里程焦虑。


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    Title :

    Electric vehicle energy consumption prediction method and system based on high-speed driving


    Additional title:

    一种基于高速行驶的电动汽车能耗预测方法和系统


    Contributors:
    WANG ZHENPO (author) / LIU PENG (author) / HE JINSONG (author) / XU SI (author) / LIU HUIBIN (author) / LI HEPING (author)

    Publication date :

    2023-06-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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