The invention relates to the technical field of power batteries, and discloses a power battery charging curve dynamic prediction method and system based on deviation adjustment, and the method comprises the steps: obtaining the historical charging data of a vehicle; determining charging mode classifications, ideal charging curves corresponding to the classifications and historical charging fragment feature data of the classifications according to the historical charging data of the vehicle, and constructing a data set; training the classification model by using the data set to obtain a trained classification model; through the trained classification model, obtaining predicted charging mode classification according to the real-time charging segment feature data, and obtaining a corresponding ideal charging curve as an initial prediction curve; and calculating a deviation adjustment item through a deviation adjustment formula according to the real-time charging segment feature data, and adjusting the initial prediction curve based on the deviation adjustment item to obtain a corrected prediction curve. According to the method, the charging duration can be accurately predicted, the charging process is dynamically optimized, the charging time is shortened, and the utilization efficiency of the charging pile and the vehicle-mounted power battery is improved.

    本发明涉及动力电池技术领域,公开了基于偏差调整的动力电池充电曲线动态预测方法及系统,包括:获取车辆历史充电数据;根据车辆历史充电数据确定充电模式分类、各分类对应的理想充电曲线以及各分类的历史充电片段特征数据,构建数据集;使用数据集对分类模型进行训练,得到训练好的分类模型;通过训练好的分类模型,根据实时充电片段特征数据得到预测的充电模式分类,并得到对应的理想充电曲线作为初始预测曲线;根据实时充电片段特征数据通过偏差调整公式计算偏差调整项,基于偏差调整项对初始预测曲线进行调整,得到修正后的预测曲线。本发明能够准确预测充电时长,并动态优化充电过程,减少充电时间,提高充电桩和车载动力电池的利用效率。


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    Title :

    Power battery charging curve dynamic prediction method based on deviation adjustment


    Additional title:

    基于偏差调整的动力电池充电曲线动态预测方法


    Contributors:
    ZHANG YUEMENG (author) / GUO LONGQIN (author) / LIN CHUNJING (author) / QI CHUANG (author)

    Publication date :

    2025-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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