The invention relates to an extended-range electric vehicle power system and a control method. The range-extended electric vehicle power system and the control method comprise the novel range-extended electric vehicle power configuration and the range-extended electric vehicle power system control method. According to the scheme, the structure is simple, arrangement of a power system is facilitated, implementation is easy in engineering, and the requirements for power and torque under all working conditions can be met without a gearbox technology; the engine is controlled to operate at three working points with higher efficiency according to the requirements in the driving process, so that the fuel economy is improved; by establishing the whole vehicle forward simulation model and adopting a multi-target optimization algorithm, the whole vehicle parameters and the control strategy are optimized, and the fuel economy is effectively improved.

    本申请是关于一种增程式电动汽车动力系统及控制方法。该增程式电动汽车动力系统及控制方法包括:新型增程式电动汽车动力构型和增程式电动汽车动力系统控制方法。本申请提供的方案,结构简单,有利于动力系统布置,在工程上易于实现,不需要变速箱技术就可以实现全工况下的功率、转矩需求;根据行驶过程中的需求将发动机控制在三个效率较高的工作点上运行,提高燃油经济性;通过建立整车前向仿真模型,采用多目标优化算法,对整车参数和控制策略进行优化,有效提高了燃油经济性。


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    Title :

    Extended-range electric vehicle power system and control method


    Additional title:

    一种增程式电动汽车动力系统及控制方法


    Contributors:
    XIAO RENXIN (author) / HU YANWEN (author) / CHEN GUISHENG (author) / LI BIN (author) / JIA XIANGUANG (author)

    Publication date :

    2024-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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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