Systems and methods for improving gradeability of a hybrid electric vehicle are described. More particularly, an electric motor of the hybrid electric vehicle may be used to augment engine torque generated by an internal combustion engine of the hybrid electric vehicle with motor torque generated by the electric motor during periods when a desired acceleration of the hybrid electric vehicle demands a target driveforce that exceeds a maximum driveforce generated by the internal combustion engine at a particular gear ratio of the transmission of the hybrid electric vehicle. Augmenting the engine torque with the motor torque during such periods of acceleration may delay a downshift of the transmission to a lower gear ratio thereby improving a driver experience.


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    Title :

    Gradeability control in a hybrid vechicle


    Contributors:

    Publication date :

    2020-07-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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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