JP5416104B2 - セルフベアリングモータ用位置フィードバック - Google Patents
セルフベアリングモータ用位置フィードバック Download PDFInfo
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- JP5416104B2 JP5416104B2 JP2010515205A JP2010515205A JP5416104B2 JP 5416104 B2 JP5416104 B2 JP 5416104B2 JP 2010515205 A JP2010515205 A JP 2010515205A JP 2010515205 A JP2010515205 A JP 2010515205A JP 5416104 B2 JP5416104 B2 JP 5416104B2
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/14—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B7/142—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring distance or clearance between spaced objects or spaced apertures between holes on a workpiece
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/04—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B7/042—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
- G01B7/046—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length using magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/147—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
- G01D5/2451—Incremental encoders
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
Claims (7)
- 磁気源と、
磁束センサと、
前記磁気源および前記磁束センサが取り付けられたセンサ裏当てと、
を備える感知機構であって、
前記磁気源および前記磁束センサは、前記磁気源から強磁性ターゲットへ、前記ターゲットから前記磁束センサへ、および前記センサ裏当てを介して前記磁気源へと戻る磁気回路を形成するよう配置され、
前記磁束センサは、前記強磁性ターゲットから前記磁束センサへ達する磁束強度を、前記磁気源と前記強磁性ターゲットとの間の間隙に相関させた出力を有することを特徴とする感知機構。 - 前記強磁性ターゲットに連結された、前記強磁性ターゲットの絶対位置を示す第1のスケールをさらに備える請求項1に記載の感知機構。
- 磁気源と、
前記磁気源を包囲する強磁性素子と、
前記強磁性素子の対称軸の周囲に配置された複数の磁気センサと、
を備えるセンサシステムであって、
前記磁気源は、磁化方向が前記強磁性素子の対称軸に平行となるように配置されることと、
前記強磁性素子の開放端が強磁性ターゲットの位置を測定するために前記強磁性ターゲットに面していることと、
を特徴とするセンサシステム。 - 前記強磁性素子がカップ形状を有することを特徴とする請求項3に記載のセンサシステム。
- 前記磁気センサが、各ペア要素が前記強磁性素子と前記磁気源との間の流束密度の線に対し交互の方位を有するよう、ペアで配置され、各センサペアが、少なくともノイズ排除性を有する差分出力を提供するよう構成されていることを特徴とする請求項3に記載のセンサシステム。
- 前記強磁性ターゲットに連結された、前記強磁性ターゲットの絶対位置を示す第1のスケールをさらに備える請求項3に記載のセンサシステム。
- 前記磁気センサが、前記第1のスケールにより生じる可変の磁束強度を感知するとともに、前記強磁性ターゲットの測定された絶対位置を示す信号を出力するよう動作可能であることを特徴とする請求項6に記載のセンサシステム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94668607P | 2007-06-27 | 2007-06-27 | |
US60/946,686 | 2007-06-27 | ||
PCT/US2008/068680 WO2009003193A1 (en) | 2007-06-27 | 2008-06-27 | Position feedback for self bearing motor |
US12/163,984 | 2008-06-27 | ||
US12/163,984 US7834618B2 (en) | 2007-06-27 | 2008-06-27 | Position sensor system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010532154A JP2010532154A (ja) | 2010-09-30 |
JP5416104B2 true JP5416104B2 (ja) | 2014-02-12 |
Family
ID=40186064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010515205A Active JP5416104B2 (ja) | 2007-06-27 | 2008-06-27 | セルフベアリングモータ用位置フィードバック |
Country Status (5)
Country | Link |
---|---|
US (2) | US7834618B2 (ja) |
JP (1) | JP5416104B2 (ja) |
KR (1) | KR101532060B1 (ja) |
CN (1) | CN101790673B (ja) |
WO (1) | WO2009003193A1 (ja) |
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