PROBLEM TO BE SOLVED: To provide a motor controller that compensates for a counter electromotive voltage and characteristics of a counter electromotive voltage compensation path through a feedback path without any variation in sensitivity to noise nor any delay over a wide range so as to securely let a real current follow up a current command value, and to provide an electric power steering device which improves a steering feeling.SOLUTION: A motor controller which performs driving control over a motor through current feedback control based upon a current command value and also performs compensation for a motor counter electromotive voltage with a counter electromotive voltage compensation signal based upon a motor angle or motor angular velocity is characterized in that a path for compensating for a motor counter electromotive voltage is provided with an LPF for noise elimination, and a feedback path of motor control is provided with an angle feedback filter which cancels a counter electromotive voltage compensation difference as a difference between the motor counter electromotive voltage and counter electromotive voltage compensation signal.SELECTED DRAWING: Figure 8

    【課題】ノイズに対する感度を変化させずに、広範囲にわたって遅れなく、逆起電圧及び逆起電圧補償経路の特性をフィードバック経路で補償し、実電流を電流指令値に確実に追従させるモータ制御装置を提供すると共に、操舵フィーリングを向上した電動パワーステアリング装置を提供する。【解決手段】電流指令値に基づく電流フィードバック制御でモータを駆動制御すると共に、モータ角度若しくはモータ角速度に基づく逆起電圧補償信号によりモータ逆起電圧の補償を行うモータ制御装置において、モータ逆起電圧を補償する経路にノイズ除去用のLPFが設けられると共に、モータ制御のフィードバック経路に、モータ逆起電圧と逆起電圧補償信号との差である逆起電圧補償誤差を相殺する角度フィードバックフィルタが設けられている。【選択図】図8


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    MOTOR CONTROLLER AND ELECTRIC POWER STEERING DEVICE MOUNTED THEREWITH


    Weitere Titelangaben:

    モータ制御装置及びそれを搭載した電動パワーステアリング装置


    Beteiligte:
    HOSHI YUZURU (Autor:in) / SUEHIRO KANAME (Autor:in)

    Erscheinungsdatum :

    2017-09-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    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



    REDUNDANT RESOLVER AND ELECTRIC POWER STEERING DEVICE MOUNTED THEREWITH

    IKEDA HIROKO / MORI TATSUYA / MATSUNAGA TOSHIHIRO et al. | Europäisches Patentamt | 2022

    Freier Zugriff

    Electric power steering apparatus and vehicle mounted therewith

    AKUTSU SATORU | Europäisches Patentamt | 2023

    Freier Zugriff

    ELECTRIC POWER STEERING APPARATUS AND VEHICLE MOUNTED THEREWITH

    AKUTSU SATORU | Europäisches Patentamt | 2020

    Freier Zugriff

    MOTOR CONTROLLER, AND ELECTRIC POWER STEERING DEVICE MOUNTED WITH THE SAME

    URYU YASUMASA | Europäisches Patentamt | 2017

    Freier Zugriff

    Electric motor control system and electric power steering apparatus therewith

    TAKIZAWA YUJI / AKUTSU SATORU / ASAO YOSHIHITO | Europäisches Patentamt | 2021

    Freier Zugriff