The invention provides an engine warming-up control method and system for a hybrid electric vehicle. According to the method, when the electric quantity of a vehicle-mounted battery of the hybrid electric vehicle is lower than a set threshold value, that is, the hybrid electric vehicle requires mode switching, whether engine warming up is required is judged according to a working mode switched from a pure electrode mode of the hybrid electric vehicle, an engine is warmed up if engine warming up is required, and the engine is started if engine warming up is not required. Therefore, the engine warming-up control method and system can control engine warming up according to the dynamically changed working mode of the hybrid electric vehicle, whether engine warming up is required continuously is judged constantly even through engine warming up is started, engine warming up is continued if engine warming up is required continuously, engine warming up is stopped and the engine is started if engine warming up is not required , engine warming up can be controlled effectively according to the actual operation state of the hybrid electric vehicle, pollutant emission is reduced, and the starting performance of the engine is improved.


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    Titel :

    Engine warming-up control method and system for hybrid electric vehicle


    Beteiligte:
    LYU CHAOPENG (Autor:in)

    Erscheinungsdatum :

    26.08.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / 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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