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    • 2. 发明授权
    • Rotation angle detecting device
    • 旋转角度检测装置
    • US08427142B2
    • 2013-04-23
    • US12994772
    • 2009-05-19
    • Masatsugu NakanoShinsuke HenmiSatoru Akutsu
    • Masatsugu NakanoShinsuke HenmiSatoru Akutsu
    • G01B7/30
    • G01D5/2046
    • Provided is a rotation angle detecting device with high detection accuracy, which can be structured with a small number of teeth even if a shaft angle multiplier increases, thus enhancing winding workability and becoming suitable for mass production. The rotation angle detecting device includes: a stator formed of an iron core with teeth, the stator including: an exciting winding of one phase or more; and output windings of two phases or more; and a rotor with a salient pole, in which numbers of turns of the output windings of the two phases each have a value obtained by a function containing a sum or a difference between a sine wave of an order equal to an absolute value of a sum of a number of the salient poles and a number of the pole pairs, and a sine wave of an order equal to an integer that is different from an absolute value of the number of the pole pairs of the exciting winding and different from an absolute value of a difference obtained by subtracting the number of the salient poles from the number of the pole pairs.
    • 本发明提供一种具有高检测精度的旋转角度检测装置,即使轴角倍增器增加,也能够以少量的齿构成,从而提高卷绕加工性,适合批量生产。 所述旋转角度检测装置包括:定子,由具有齿的铁芯构成,所述定子包括:一相以上的励磁绕组; 并输出两相以上的绕组; 以及具有凸极的转子,其中两相的输出绕组的匝数各自具有通过包含等于等于绝对值之和的正弦波之和或之和的函数而获得的值 多个极点和多个极对的正弦波,以及等于与励磁绕组的极对数的绝对值不同的绝对值的整数的正弦波 通过从极数的数目减去突出极数而得到的差。
    • 3. 发明申请
    • ROTATION ANGLE DETECTING DEVICE
    • 旋转角度检测装置
    • US20110074400A1
    • 2011-03-31
    • US12994772
    • 2009-05-19
    • Masatsugu NakanoShinsuke HenmiSatoru Akutsu
    • Masatsugu NakanoShinsuke HenmiSatoru Akutsu
    • G01B7/30
    • G01D5/2046
    • Provided is a rotation angle detecting device with high detection accuracy, which can be structured with a small number of teeth even if a shaft angle multiplier increases, thus enhancing winding workability and becoming suitable for mass production. The rotation angle detecting device includes: a stator formed of an iron core with teeth, the stator including: an exciting winding of one phase or more; and output windings of two phases or more; and a rotor with a salient pole, in which numbers of turns of the output windings of the two phases each have a value obtained by a function containing a sum or a difference between a sine wave of an order equal to an absolute value of a sum of a number of the salient poles and a number of the pole pairs, and a sine wave of an order equal to an integer that is different from an absolute value of the number of the pole pairs of the exciting winding and different from an absolute value of a difference obtained by subtracting the number of the salient poles from the number of the pole pairs.
    • 本发明提供一种具有高检测精度的旋转角度检测装置,即使轴角倍增器增加,也能够以少量的齿构成,从而提高卷绕加工性,适合批量生产。 所述旋转角度检测装置包括:定子,由具有齿的铁芯构成,所述定子包括:一相以上的励磁绕组; 并输出两相以上的绕组; 以及具有凸极的转子,其中两相的输出绕组的匝数各自具有通过包含等于等于绝对值之和的正弦波之和或之和的函数而获得的值 多个极点和多个极对的正弦波,以及等于与励磁绕组的极对数的绝对值不同的绝对值的整数的正弦波 通过从极数的数目减去突出极数而得到的差。