The invention relates to a hybrid electric vehicle energy control method and device based on driving condition prediction. The method comprises the steps that power characteristics of the hybrid electric vehicle are analyzed, and a power characteristic curve of the hybrid electric vehicle is generated; on the basis of a preset LSTM neural network model, the current vehicle speed and the current power of the hybrid electric vehicle serve as input, driving working condition prediction is conducted, and the predicted vehicle speed and the predicted power of the hybrid electric vehicle are generated; and a predicted vehicle condition is generated based on the predicted vehicle speed, the predicted power and the power characteristic curve, a vehicle control instruction is generated based on the predicted vehicle condition and a preset energy control strategy, and energy control over the hybrid electric vehicle is completed. The driving condition of the hybrid electric vehicle is predicted, energy flow control is carried out in advance according to the prediction result, the frequency of starting an engine to enter a forced charging mode due to electric quantity reduction is reduced, and the energy utilization efficiency is improved.

    本公开是关于基于行驶工况预测的混合动力电动车能量控制方法及装置。其中,该方法包括:对混合动力电动车功率特性分析,生成所述混合动力电动车的功率特性曲线;基于预设的LSTM神经网络模型,以所述混合动力电动车当前车速、当前功率为输入,进行行驶工况预测,生成所述混合动力电动车的预测车速、预测功率;基于所述预测车速、预测功率、功率特性曲线生成预测车况,并基于所述预测车况、预设能量控制策略生成车辆控制指令,完成对所述混合动力电动车的能量控制。本公开实现了对混合动力电动车行驶工况的预测,并根据预测结果提前进行能量流控制,减少由于电量降低导致发动机启动进入强制补电模式的频率,提高能量利用效率。


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    Title :

    Hybrid electric vehicle energy control method and device based on driving condition prediction


    Additional title:

    基于行驶工况预测的混合动力电动车能量控制方法及装置


    Contributors:
    HUANG QIUSHENG (author) / LI XUDONG (author) / LI YINGYING (author)

    Publication date :

    2023-04-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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




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