A method and a system for shifting a gear of a hybrid electric vehicle are provided. The method includes following steps. A state of a battery is determined according to a remaining capacity of the battery, a required torque and a state of the hybrid electric vehicle, in which the state of the battery comprises a discharging state or a charging state. A plurality of optional target gears, a torque and a rotating speed of an engine corresponding to each optional target gear are determined according to the state of the battery and a speed of the hybrid electric vehicle. An optional target gear with a minimum fuel consumption of the engine is selected as a target gear from the plurality of optional target gears. It is determined whether to perform a gear shift by comparing with a current gear.


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    Title :

    Method and system for shifting a gear of a hybrid electric vehicle


    Contributors:
    YANG WEIBIN (author)

    Publication date :

    2017-07-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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 / F16H Getriebe , GEARING / G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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