The invention discloses a braking energy recovery power capability boundary calculation method and system of a P2 configuration vehicle. The calculation method comprises the following steps: calculating a total energy recovery power capability boundary; calculating an original value of a braking energy recovery power capability boundary; calculating a braking energy recovery power capability boundary full-power working condition value; and according to whether the vehicle is kept at a certain gear in the D gear, or in the switching process of different gears in the D gear, or in the process of switching the D gear to the N gear, and whether the braking energy recovery prohibition condition is met, corresponding braking energy recovery power capability boundary calculation at the current moment is carried out. By the adoption of the method, the accurate braking energy recovery power capacity boundary can be obtained, and guarantee is provided for the fact that the braking energy recovery efficiency of the whole vehicle reaches the high level and braking safety risks are avoided.

    本发明公开了一种P2构型车辆的制动能量回收动力能力边界计算方法及系统,其计算方法包括:计算总能量回收动力能力边界;计算制动能量回收动力能力边界原始值;计算制动能量回收动力能力边界全动力工况值;根据是否车辆保持在D挡内的某个挡位,或者处于D挡内不同挡位的切换过程中,或者处于D挡切N挡过程中,以及是否满足制动能量回收禁止条件,进行相应的当前时刻的制动能量回收动力能力边界计算。采用本发明能获得准确的制动能量回收动力能力边界,为整车的制动能量回收效率达到较高水平以及规避制动安全风险提供保障。


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    Titel :

    Method and system for calculating braking energy recovery power capacity boundary of P2 configuration vehicle


    Weitere Titelangaben:

    P2构型车辆的制动能量回收动力能力边界计算方法及系统


    Beteiligte:
    XIE JIANGKUI (Autor:in) / FENG JIE (Autor:in) / LIU BIN (Autor:in) / CAI JIANWEI (Autor:in) / CUN FEITING (Autor:in)

    Erscheinungsdatum :

    2023-03-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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