A vehicle may include a controller configured to, in response to an accelerator pedal release and an expected regenerative braking event, increase an engagement pressure of a torque converter clutch prior to occurrence of the event to a threshold that is based on a regenerative braking torque estimate associated with the event such that during the event, the clutch transfers more torque than the converter. The regenerative braking torque estimate may be based on a difference between an average road grade and a current road grade. The regenerative braking torque estimate may be based on a headway range and a rate of change thereof. The regenerative braking torque estimate may be based on a predicted deceleration rate.


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    Titel :

    Torque Convrter Clutch Engagement Pressure


    Beteiligte:
    ZHAO YANAN (Autor:in) / NEFCY BERNARD D (Autor:in) / KUANG MING LANG (Autor:in)

    Erscheinungsdatum :

    2018-03-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / F16H Getriebe , GEARING / 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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