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    • 10. 发明授权
    • Motor control device and electric steering system
    • 电机控制装置和电动转向系统
    • US08670904B2
    • 2014-03-11
    • US12937485
    • 2009-05-28
    • Atsuhiko YonedaYasuo Shimizu
    • Atsuhiko YonedaYasuo Shimizu
    • G06F17/00G06F19/00B62D6/00G08B1/06
    • B62D5/0484B62D5/046B62D5/049H02P6/185H02P29/032
    • A motor control device includes: a rotation angle detection portion that detects a rotation angle of a motor and outputs a rotation angle signal; an abnormal condition detection portion that detects the presence or absence of an abnormal condition of the rotation angle detection portion; a rotation angle estimation portion that estimates the rotation angle of the motor and outputs an estimate rotation angle signal; and a driving control portion that controls driving of the motor on the basis of the rotation angle signal, which is output from the rotation angle detection portion, when the abnormal condition detection portion does not detect an abnormal condition of the rotation angle detection portion, and controls driving of the motor on the basis of the estimate rotation angle signal, which is output from the rotation angle estimation portion, when the abnormal condition detection portion detects an abnormal condition of the rotation angle detection portion.
    • 电动机控制装置包括:旋转角度检测部,其检测电动机的旋转角度并输出旋转角度信号; 异常状态检测部,其检测所述旋转角度检测部的异常状况的有无; 旋转角度估计部,其估计所述电动机的旋转角度并输出估计旋转角度信号; 以及驱动控制部,当所述异常状态检测部未检测到所述旋转角度检测部的异常状态时,基于从所述旋转角度检测部输出的旋转角度信号来控制所述电动机的驱动,以及 当异常状态检测部检测到旋转角度检测部的异常状况时,基于从旋转角度估计部输出的估计旋转角度信号来控制电动机的驱动。