PROBLEM TO BE SOLVED: To provide a steering wheel operation state determination device capable of determining with high accuracy whether it is a hand-on state or a hand-off state.SOLUTION: A steering wheel operation state determination device includes: torque detection means 11 for detecting torsion bar torque applied to a torsion bar; rotation angle detection means 25 for detecting a rotation angle of an electric motor; driver torque estimation observer 101 for estimating driver torque applied to a handle by a driver, by using a detection value including at least the torsion bar torque detected by the torque detection means 11 and the rotation angle of the electric motor detected by the rotation angle detection means 25; and hand-on/off determination means for determining whether it is a hand-on state or a hand-off state on the basis of the driver torque estimated by the driver torque estimation observer 101.SELECTED DRAWING: Figure 3

    【課題】ハンズオン状態であるかハンズオフ状態であるかを高精度に判定できるハンドル操作状態判定装置を提供する。【解決手段】トーションバーに加えられているトーションバートルクを検出するためのトルク検出手段11と、電動モータの回転角を検出する回転角検出手段25と、トルク検出手段11によって検出されるトーションバートルクおよび回転角検出手段25によって検出される電動モータの回転角を少なくとも含む検出値を用いて、運転者によってハンドルに加えられるドライバトルクを推定するドライバトルク推定オブザーバ101と、ドライバトルク推定オブザーバ101によって推定されるドライバトルクに基づいて、ハンズオン状態であるかハンズオフ状態であるかを判定するハンズオン/オフ判定手段とを含む。【選択図】図3


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    Title :

    STEERING WHEEL OPERATION STATE DETERMINATION DEVICE


    Additional title:

    ハンドル操作状態判定装置


    Contributors:

    Publication date :

    2018-10-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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