The invention discloses a full electric vehicle driving range estimation method based on big data analysis, and the method comprises: collecting the original data of the driving of an electric vehicle, and carrying out the data preprocessing of the original data; establishing an electric vehicle driving consumption SOC target variable UM_SOC under a unit mileage, analyzing the correlation between the variables in the original data and the UM_SOC, and analyzing the correlation weight between each correlation variable and the UM_SOC; carrying out dimension reduction processing on the obtained original variables; according to the traffic condition on the current route, selecting a UM_SOC big data analysis prediction model in a proper mode, and predicting the SOC consumption value on a future driving route; calculating the driving mileage on the target travel route, and calculating the driving mileage on the pre-travel route in combination with the current battery remaining capacity SOC value and the UM_SOC predicted value; and carrying out variance analysis on the predicted value and the true value of the SOC consumed by the electric vehicle on the driving route so as to carry out secondary correction on the result. The driving range of the electric vehicle in the future travel process can be accurately predicted.
本发明公开了一种基于大数据分析的纯电动车续驶里程估计方法,包括:采集电动汽车的行驶的原始数据,并对原始数据进行数据预处理;建立单位里程下的电动汽车行驶消耗SOC目标变量UM_SOC,对原始数据中的变量和UM_SOC之间的相关性进行分析,分析出各相关变量与UM_SOC之间的相关性权重;对获取的原始变量进行降维处理;按照当前路线上的交通情况,选择适当模式下UM_SOC大数据分析预测模型,对未来行驶路线上的SOC消耗值进行预测;计算目标出行路线上的续驶里程,结合当前电池剩余电量SOC值和UM_SOC预测值,计算预出行路线上的续驶里程;对电动汽车在行驶路线上消耗SOC的预测值和真实值进行方差分析,用于对结果进行二次修正。能够对未来出行过程中的电动汽车续驶里程进行较为精准地预测。
Full electric vehicle driving range estimation method based on big data analysis
一种基于大数据分析的纯电动车续驶里程估计方法
2021-05-28
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06K Erkennen von Daten , RECOGNITION OF DATA / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES |
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