A method of controlling motor torque in coasting of a vehicle includes: acquiring information about a speed of an input shaft of a transmission detected by a detector while the vehicle is running, information about an acceleration of the input shaft of the transmission obtained from the speed of the input shaft of the transmission, and information about a state of an engine clutch; determining whether the vehicle is coasting based on the acquired information; calculating a motor torque instruction based on engine friction torque corresponding to the speed of the input shaft of the transmission, a rotary inertia of an engine, and the acceleration of the input shaft of the transmission, when the vehicle is determined to be coasting with the engine clutch disengaged; and controlling torque of a driving motor for driving the vehicle in accordance with the calculated motor torque instruction.


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    Titel :

    Motor torque control method in coasting state of hybrid electric vehicle


    Beteiligte:
    PARK JOONYOUNG (Autor:in)

    Erscheinungsdatum :

    2017-03-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / 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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