A four-wheel drive vehicle includes: a drive-power distribution device for transmitting a drive power of an engine toward main and auxiliary drive wheels, at a drive-power distribution ratio between the auxiliary drive wheels and the main drive wheels; and a control apparatus for executing a drive-power distribution control for adjusting the drive-power distribution ratio, and executing an engine automatic-start control for causing the engine to be started upon satisfaction of an engine-start condition. Upon execution of the engine automatic-start control, the control apparatus changes a target engine rotational speed from a predetermined engine-start rotational speed to a changed engine rotational speed, such that a difference of the changed engine rotational speed from a resonance rotational speed that causes resonance of a drive system to which the engine is connected in a power transmittable manner, is larger than a difference of the predetermined engine-start rotational speed from the resonance rotational speed.


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    Titel :

    Four-wheel drive vehicle


    Beteiligte:
    TAKAIRA KOJI (Autor:in)

    Erscheinungsdatum :

    2022-08-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    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 / F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen





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