To accurately estimate and acquire an actual steering angle of a steering device.SOLUTION: A steering angle estimation device comprises a steering angle sensor 13 for detecting a steering angle of a steering device 1, a motor rotation angle sensor 31 for detecting an electrical angle of a motor 30 which can impart a steering force to the steering device 1, and an actual steering angle estimation part 120 for estimating an actual steering angle of the steering device 1. When a difference between an angle conversion value which is obtained by converting the electrical angle detected by the motor rotation angle sensor 31 to a steering absolute angle, and the steering angle detected by the steering angle sensor 13 is smaller than a prescribed value, the actual steering angle estimation part 120 estimates the angle conversion value as the actual steering angle.SELECTED DRAWING: Figure 2
【課題】操舵装置の実際の操舵角を高精度に推定取得する。【解決手段】操舵装置1の操舵角を検出する操舵角センサ13と、操舵装置1に操舵力を付与可能なモータ30の電気角を検出するモータ回転角センサ31と、操舵装置1の実操舵角を推定する実操舵角推定部120とを備え、実操舵角推定部120は、モータ回転角センサ31により検出される電気角を操舵絶対角に換算した角度換算値と、操舵角センサ13により検出される操舵角との差分が所定値よりも小さい場合に、角度換算値を実操舵角として推定する。【選択図】図2
STEERING ANGLE ESTIMATION DEVICE, STEERING DEVICE AND STEERING ANGLE ESTIMATION METHOD
操舵角推定装置、操舵装置及び、操舵角推定方法
2021-09-27
Patent
Elektronische Ressource
Japanisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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