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    • 1. 发明公开
    • Torque sensing apparatus
    • 扭矩传感装置
    • EP1035002A2
    • 2000-09-13
    • EP00104934.5
    • 2000-03-08
    • TRW INC.
    • Miller, Joseph D.Blandino, DonMedora, Michael J.
    • B62D6/10
    • B62D6/10G01L3/107G01L5/221
    • A torque sensing apparatus (30) includes first and second sensor elements (62, 70; 66, 74) which are substantially diametrically opposed relative to a central axis extending between the first and second sensor elements. Each of the sensor elements (62, 70; 66, 74) is operative to provide an electrical signal (34) that varies as a function of the relative position between first and second parts of the respective sensor elements. The electrical signals (34) of the first and second sensor elements (62, 70; 66, 74) vary in inverse relationship in response to non-rotational relative movement between the first and second parts of the respective sensor elements.
    • 扭矩感测设备(30)包括第一和第二传感器元件(62,70; 66,74),所述第一和第二传感器元件相对于在第一和第二传感器元件之间延伸的中心轴线基本上在直径上相对。 每个传感器元件(62,70; 66,74)用于提供电信号(34),该电信号根据相应传感器元件的第一和第二部分之间的相对位置而变化。 响应于各个传感器元件的第一和第二部分之间的非旋转相对运动,第一和第二传感器元件(62,70; 66,74)的电信号(34)以相反的关系变化。
    • 4. 发明公开
    • Method and apparatus for sensing relative position between two relatively rotatable members using concentric rings
    • 为Wahrnemen方法和装置2组相对旋转的元件之间的相对位置使用同心环
    • EP0709648A2
    • 1996-05-01
    • EP95112306.6
    • 1995-08-04
    • TRW INC.
    • Persson, Erland K.Blandino, DonBoyer, Michael J.Medora, Michael J.
    • G01B7/00G01D5/00
    • H02K19/103G01D5/2073G01D5/2086H02K11/24H02K11/25H02K11/33H02K29/12
    • An apparatus for sensing the relative rotational position between a stator (28) and a rotor (32) in a variable reluctance motor (26) includes a transmitting ring (40) mounted to the rotor (32) and having a transmitting coil (46) mounted thereon. A receiving ring (42) is mounted to stator (46) and has a receiving coil (56) mounted thereon. The receiving coil includes three conductor patterns (56a, 56b, 56c) having the same shape, each of said conductor patterns being electrically insulated from each other, and each conductor pattern being offset from adjacent conductor patterns by 120 electrical degrees. A drive signal is coupled to the transmitting coil. The apparatus further includes a controller (76) for monitoring the outputs from the receiving coil patterns and for determining the relative rotation between the rotor and the stator from the monitored outputs. The receiving coil patterns are each arranged in a circumferentially varying square wave pattern.
    • 用于感测的定子(28)和在可变磁阻电机的转子(32)之间的相对旋转位置的装置(26)包括安装到转子(32)和具有一个发送线圈(40)的发送环(46) 安装在其上。 一种接收环(42)被安装到所述定子(46)和具有(56)安装在其上的接收线圈。 接收线圈包括具有相同形状的3种导体图案(56A,56B,56C),每个所述导体图形在电气上绝缘海誓山盟,并从由120个电角度相邻的导体图案被相互抵消导体图案。 的驱动信号被耦合到发射线圈。 该装置包括:用于从所述接收线圈图案和用于确定性采矿转子和定子从所监视的输出之间的相对旋转的输出进行监视并且一个控制器(76)。 接收线圈图案在圆周方向变化的方波图案中的每个布置。