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    • 8. 发明授权
    • Rotor-position sensor assembly and method for detecting a rotor position
    • 转子位置传感器组件及检测转子位置的方法
    • US07049776B2
    • 2006-05-23
    • US10533265
    • 2003-12-13
    • Jörg HornbergerHermann RappeneckerChristian RudelSiegfried Schreiner
    • Jörg HornbergerHermann RappeneckerChristian RudelSiegfried Schreiner
    • G05B19/18
    • H02P6/16H02P2209/07
    • An electric motor has a stator and an external rotor (40). Its external rotor (40) has a sensor magnet (54) having a plurality SP of sensor poles (55). The motor also has: at least one rotor position sensor (42, 44) for generating a rotor position signal and a rotor position evaluation arrangement for generating an absolute value for the rotor position, which apparatus comprises an A/D converter (144) having a resolution of at least two bits, the at least one rotor position sensor (42, 44) being connected to the A/D converter. In order to enable obtaining different digital values, even at rotational positions within the angle range of one sensor pole, each analog rotor position sensor signal is converted by the A/D converter into a digital value having at least two bits.
    • 电动机具有定子和外部转子(40)。 其外部转子(40)具有传感器磁体(54),其具有多个传感器极(SP)SP。 所述电动机还具有:用于产生转子位置信号的至少一个转子位置传感器(42,44)和用于产生所述转子位置的绝对值的转子位置评估装置,所述装置包括:A / D转换器(144),其具有 至少两位的分辨率,所述至少一个转子位置传感器(42,44)连接到所述A / D转换器。 为了获得不同的数字值,即使在一个传感器极的角度范围内的旋转位置,每个模拟转子位置传感器信号都被A / D转换器转换成具有至少两位的数字值。
    • 9. 发明授权
    • Absolute encoder and method for generating an absolute value for a angle of rotation
    • 用于产生旋转角绝对值的绝对编码器和方法
    • US08324892B2
    • 2012-12-04
    • US11913178
    • 2006-07-19
    • Christian RudelJörg HornbergerMichael SchäubleMichael Kisch
    • Christian RudelJörg HornbergerMichael SchäubleMichael Kisch
    • G01B7/30
    • G01D5/2455
    • An electric motor (10) has: a stator (12) and a rotor (14) having a shaft (87). The rotor (14) has a sensor magnet (82) having a number SP of sensor poles (71, 72, 73, 74) for generating a predetermined distribution of the magnetic flux density, such that SP=2, 4, 6, 8, etc. The motor also has at least two rotor position sensors (450, 455, 460, 465) for generating rotor position signals (B_S1, B_S2) characterizing the magnetic flux density, the rotor position sensors (450, 455, 460, 465) being arranged in the region (30) of the circumference of the sensor magnet (82). The motor also has an evaluation apparatus (32) that ascertains, from the rotor position signals (B_S1, B_S2), an absolute value (phi_el, phi_mech) for the rotational position of the rotor (14). A method of generating an absolute value for the rotational position of an electric motor is likewise described.
    • 电动机(10)具有:定子(12)和具有轴(87)的转子(14)。 转子(14)具有传感器磁体(82),传感器磁体(82)具有用于产生预定的磁通密度分布的传感器极数(71,72,73,74),使得SP = 2,4,6,8 电动机还具有至少两个用于产生表征磁通密度的转子位置信号(B_S1,B_S2)的转子位置传感器(450,455,460,465),转子位置传感器(450,455,460,465) )布置在传感器磁体(82)的圆周的区域(30)中。 电动机还具有从转子位置信号(B_S1,B_S2)确定用于转子(14)的旋转位置的绝对值(phi_el,phi_mech)的评估装置(32)。 同样地描述了产生电动机的旋转位置的绝对值的方法。