To provide a driver torque estimation device that is able to highly accurately estimate driver torque.SOLUTION: A driver torque estimation unit comprises: first disturbance estimation value calculating means that, using a rotation angle of an input shaft of a transmission ratio variable device, calculates an estimation value for first disturbance applied to a handle and/or a rotation shaft between the handle and the transmission ratio variable device by a first EPS composition member located on a side of the input shaft of the transmission ratio variable device; second disturbance estimation value calculating means that, using a rotation angle of an output shaft of the transmission ratio variable device, calculates an estimation value for second disturbance applied to a rotation shaft between the transmission ratio variable device and a torsion bar by a second EPS composition member located on a side of the output shaft of the transmission ratio variable device; and driver torque estimation value calculating means that, based on torsion bar torque, the estimation value for the first disturbance, and the estimation value for the second disturbance, calculates an estimation value for driver torque.SELECTED DRAWING: Figure 9

    【課題】ドライバトルクを高精度に推定できるドライバトルク推定装置を提供する。【解決手段】ドライバトルク推定部は、伝達比可変装置の入力軸の回転角を用いて、伝達比可変装置の入力軸側に位置する第1EPS構成部材によって、ハンドルおよび/またはハンドルと伝達比可変装置との間の回転軸に作用する第1外乱の推定値を演算する第1外乱推定値演算手段と、伝達比可変装置の出力軸の回転角を用いて、伝達比可変装置出力軸側に位置する第2EPS構成部材によって、伝達比可変装置とトーションバーとの間の回転軸に作用する第2外乱の推定値を演算する第2外乱推定値演算手段と、トーションバートルクと第1外乱の推定値と第2外乱の推定値とに基づいて、ドライバトルクの推定値を演算するドライバトルク推定値演算手段とを含む。【選択図】図9


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    Titel :

    DRIVER TORQUE ESTIMATION DEVICE AND ELECTRIC POWER STEERING DEVICE HAVING THE SAME


    Weitere Titelangaben:

    ドライバトルク推定装置およびそれを備えた電動パワーステアリング装置


    Beteiligte:
    MAXIME MOREILLON (Autor:in) / TAMURA TSUTOMU (Autor:in) / FUCHS ROBERT (Autor:in)

    Erscheinungsdatum :

    2020-04-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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