A motor controller includes, in a microcomputer, a voltage fall determiner determining whether a reference voltage falls from a normal value based on an Analog-to-Digital (A/D) conversion value of a second voltage from an A/D converter, and a corrector (i) calculating a correction coefficient based on the A/D conversion value of the second voltage from the A/D converter and (ii) correcting an A/D conversion value of an input voltage that is output from the A/D converter. A core of the microcomputer generates a control signal based on an input voltage A/D conversion value, when the voltage fall determiner determines that the reference voltage is equal to or higher than a normal reference value. The motor controller keeps its motor control accuracy in such manner, even when a fall of an A/D conversion reference voltage is observed.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    MOTOR CONTROLLER AND ELECTRIC POWER STEERING DEVICE USING SAME


    Beteiligte:

    Erscheinungsdatum :

    2017-02-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / B62D MOTOR VEHICLES , Motorfahrzeuge / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



    Motor controller and electric power steering device using same

    YAMAMOTO TOSHIHISA | Europäisches Patentamt | 2018

    Freier Zugriff

    MOTOR CONTROLLER AND ELECTRIC POWER STEERING USING SAME

    REI MURAMATSU | Europäisches Patentamt | 2016

    Freier Zugriff

    Motor controller and electric power steering using same

    MURAMATSU REI | Europäisches Patentamt | 2022

    Freier Zugriff

    MOTOR CONTROLLER AND ELECTRIC POWER STEERING USING SAME

    MURAMATSU REI | Europäisches Patentamt | 2019

    Freier Zugriff

    Motor controller and electric power steering using same

    MURAMATSU REI | Europäisches Patentamt | 2018

    Freier Zugriff