The present invention relates to a vehicle providing a motor, an inverter, and a battery. The vehicle generates a first PWM signal of a plurality of switching elements by a comparison of a voltage command for each phase based on a torque command and carrier wave voltage and performs a first PWM control performing switching of the plurality of switching elements, when a target operation point composed of the rotation number of the motor and the torque command is deviated from a predetermined area. The vehicle generates a second PWM signal of the plurality of switching elements based on a modulation factor and a phase of the voltage based on the torque command and a pulse number of a predetermined period of an electric angle of the motor and performs by selecting the first PWM control or a second PWM control performing the switching of the plurality of switching elements, when the target operation point is within the predetermined area.

    자동차는, 모터의 회전수 및 토크 지령으로 이루어지는 목표 동작점이 소정 영역 외인 경우에는, 상기 토크 지령에 의거하는 각 상의 전압 지령과, 반송파 전압의 비교에 의해 상기 복수의 스위칭 소자의 제 1 PWM 신호를 생성하여 상기 복수의 스위칭 소자의 스위칭을 행하는 제 1 PWM 제어를 실행하고, 상기 목표 동작점이 상기 소정 영역 내인 경우에는, 상기 토크 지령에 의거하는 전압의 변조율 및 전압 위상과, 상기 모터의 전기각의 소정 주기의 펄스수에 의거하여 상기 복수의 스위칭 소자의 제 2 PWM 신호를 생성하여 상기 복수의 스위칭 소자의 스위칭을 행하는 제 2 PWM 제어나, 상기 제 1 PWM 제어를 선택하여, 실행한다.


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    Titel :

    VEHICLE


    Weitere Titelangaben:

    자동차


    Beteiligte:
    YAMAMOTO TOSHIHIRO (Autor:in) / YAMADA KENJI (Autor:in)

    Erscheinungsdatum :

    2017-11-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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