An engine rotational speed control apparatus is provided to prevent a degradation of fuel efficiency caused by an unnecessary increase of the rotational speed of an engine (1) when a depression amount of an accelerator pedal is briefly increased and then immediately decreased. In particular, when the vehicle is accelerated, an optimum fuel efficiency operating point along an optimum fuel efficiency curve is not moved immediately to another optimum fuel efficiency operating point corresponding to a new target drive force. Instead, the target drive force (F) is reached by increasing the engine load while increasing the engine rotational speed (VSP) as little as possible, and thus using an operating point that does not lie on the optimum fuel efficiency curve.


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    Titel :

    Engine rotational speed control apparatus


    Weitere Titelangaben:

    Vorrichtung zur Motordrehzahlsteuerung
    Appareil de contrôle de vitesse de rotation de moteur


    Beteiligte:

    Erscheinungsdatum :

    28.02.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16H Getriebe , GEARING / 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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