In a powertrain for motor vehicle that includes an engine, an electric machine able to function alternately as a motor and a generator, and a transmission whose input is driveably connected to the engine and the electric machine, a method for controlling transmission input torque during an downshift including using the engine to produce torque transmitted to the transmission input, during the ratio change phase of the downshift, operating the electric machine as a motor, and controlling a net torque transmitted to the transmission input by using the engine to drive the transmission and the electric machine concurrently, and during the torque transfer phase of the downshift, operating the electric machine as a generator.


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    Titel :

    Transmission downshift input torque modulation for a hybrid electric vehicle


    Beteiligte:
    SOLIMAN IHAB S (Autor:in) / SILVERI ANDREW J (Autor:in)

    Erscheinungsdatum :

    16.06.2015


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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