The invention provides a method and system for optimizing the efficiency of a hybrid power vehicle, the hybrid power vehicle comprises a first motor, a second motor and an engine, and the method is characterized by comprising the following steps that the current speed of the vehicle and the engine torque corresponding to the speed are determined; calculating the energy loss power of the vehicle according to the engine torque; the engine torque is adjusted according to the adjusting step length; calculating the energy loss power corresponding to the adjusted engine torque; repeating the steps until the adjusted engine torque reaches a limit torque set value; and comparing all the energy loss powers obtained by repeating the steps to determine the minimum energy loss power of the vehicle.

    本发明提供了一种混合动力车辆效率优化的方法和系统,所述混合动力车辆包括第一电机、第二电机以及发动机,其特征在于,所述方法包括以下步骤:确定车辆当前速度以及所述速度对应的发动机扭矩;根据所述发动机扭矩计算车辆的能耗损失功率;以调整步长调整所述发动机扭矩;计算经调整的发动机扭矩所对应的能耗损失功率;重复以上步骤直至经调整的发动机扭矩达到极限扭矩设置值;以及比较重复以上步骤所得的所有能耗损失功率,以确定车辆的最小能耗损失功率。


    Access

    Download


    Export, share and cite



    Title :

    Method and system for optimizing efficiency of hybrid power system


    Additional title:

    一种混合动力系统效率优化的方法和系统


    Contributors:
    MA XIAOJIAN (author) / TIAN HUA (author) / WU KAI (author) / XU WEI (author)

    Publication date :

    2023-08-18


    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



    HYBRID POWER SYSTEM AND OPTIMIZING METHOD THEREOF

    SU HSIU-HSIEN / WU CHIEN-HSUN / HUANG SHANG-ZENG | European Patent Office | 2024

    Free access

    HYBRID POWER SYSTEM AND OPTIMIZING METHOD THEREOF

    SU HSIU HSIEN / WU CHIEN HSUN / HUANG SHANG ZENG | European Patent Office | 2024

    Free access

    Hybrid power system energy efficiency calculation method, hybrid power system energy efficiency calculation system and vehicle

    ZHAO XIWEI / LIU YIQIANG / JIN CHANGMING et al. | European Patent Office | 2020

    Free access

    48V Coating Control Method for Optimizing Fuel Efficiency of 48V Mild Hybrid System

    CHOI KWANG SEOK | European Patent Office | 2019

    Free access