JP6170854B2 - 磁気角度位置センサ - Google Patents
磁気角度位置センサ Download PDFInfo
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- JP6170854B2 JP6170854B2 JP2014048330A JP2014048330A JP6170854B2 JP 6170854 B2 JP6170854 B2 JP 6170854B2 JP 2014048330 A JP2014048330 A JP 2014048330A JP 2014048330 A JP2014048330 A JP 2014048330A JP 6170854 B2 JP6170854 B2 JP 6170854B2
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- magnet
- magnets
- magnetic field
- angle
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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
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
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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)
- Measuring Magnetic Variables (AREA)
Description
Claims (10)
- 磁気角度位置センサに含まれる複数の磁石に関連する複数の磁場成分を測定し、当該複数の磁場成分は、x面(Bx)における前記複数の磁石の磁場の強さと、y面(By)における前記複数の磁石の磁場の強さと、z面(Bz)における前記複数の磁石の磁場の強さとを含み、x面、y面およびz面は、Bx、ByおよびBzが測定される点に関するものであり、
測定された磁場成分に基づき第1の角度を識別し、当該第1の角度は、前記複数の磁石の第1の磁石に関連する角度位置を表し、
測定された磁場成分に基づき第2の角度を識別し、当該第2の角度は、前記複数の磁石の第2の磁石に関連する角度位置を表し、
識別された第1の角度及び第2の角度に基づき、前記第1の磁石の位置を識別し、
識別された第1の角度及び第2の角度に基づき、前記第2の磁石の位置を識別すること、を含む方法。 - 前記磁場成分は、感知装置を使用して測定される、請求項1に記載の方法。
- 前記感知装置は、三次元(3D)ホール効果センサである、請求項2に記載の方法。
- 磁気角度位置センサに含まれる複数の磁石に関連する複数の磁場成分を測定する手段であって、当該複数の磁場成分は、x面(Bx)における前記複数の磁石の磁場の強さと、y面(By)における前記複数の磁石の磁場の強さと、z面(Bz)における前記複数の磁石の磁場の強さとを含み、x面、y面およびz面は、Bx、ByおよびBzが測定される点に関する、前記手段と、
前記測定された磁場成分に基づき第1の角度を識別する手段であって、当該第1の角度が前記複数の磁石の第1の磁石に関連する角度位置を表す、前記識別する手段と、
前記測定された磁場成分に基づき第2の角度を識別する手段であって、当該第2の角度が前記複数の磁石の第2の磁石に関連する角度位置を表す、前記識別する手段と、
識別された第1の角度及び第2の角度に基づき前記第1の磁石の位置を識別する手段と、
識別された第1の角度及び第2の角度に基づき前記第2の磁石の位置を識別する手段と、を含む装置。 - 前記磁場成分は、感知装置を使用して測定される、請求項4に記載の装置。
- 前記感知装置は、三次元(3D)ホール効果センサである、請求項5に記載の装置。
- 前記第1の磁石の識別された位置は、x面、y面およびz面に関する第1の磁石の位置を含む、請求項1に記載の方法。
- 前記第2の磁石の識別された位置は、x面、y面およびz面に関する第2の磁石の位置を含む、請求項1に記載の方法。
- 前記第1の磁石の識別された位置は、x面、y面およびz面に関する第1の磁石の位置を含む、請求項4に記載の装置。
- 前記第2の磁石の識別された位置は、x面、y面およびz面に関する第2の磁石の位置を含む、請求項4に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361781706P | 2013-03-14 | 2013-03-14 | |
US61/781,706 | 2013-03-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2014178316A JP2014178316A (ja) | 2014-09-25 |
JP2014178316A5 JP2014178316A5 (ja) | 2017-04-13 |
JP6170854B2 true JP6170854B2 (ja) | 2017-07-26 |
Family
ID=50231081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014048330A Expired - Fee Related JP6170854B2 (ja) | 2013-03-14 | 2014-03-12 | 磁気角度位置センサ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9372064B2 (ja) |
EP (1) | EP2778621B1 (ja) |
JP (1) | JP6170854B2 (ja) |
KR (1) | KR20140113411A (ja) |
CN (1) | CN104048594B (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9401621B2 (en) * | 2014-03-14 | 2016-07-26 | Lenovo (Singapore) Pte. Ltd. | Wireless charging dock with auto-positioning |
GB201416870D0 (en) * | 2014-09-24 | 2014-11-05 | Rota Eng Ltd | Magnetic Field Generator And Position Sensing Assembly |
US20170234699A1 (en) * | 2016-02-17 | 2017-08-17 | Infineontechnologies Ag | Tapered magnet |
US11874140B2 (en) * | 2016-02-17 | 2024-01-16 | Infineon Technologies Ag | Tapered magnet |
US11647678B2 (en) | 2016-08-23 | 2023-05-09 | Analog Devices International Unlimited Company | Compact integrated device packages |
US10697800B2 (en) | 2016-11-04 | 2020-06-30 | Analog Devices Global | Multi-dimensional measurement using magnetic sensors and related systems, methods, and integrated circuits |
US10389195B2 (en) * | 2017-07-13 | 2019-08-20 | Rosemount Aerospace Inc. | Annular magnets for rotor position estimation |
EP3520695A3 (en) | 2018-01-31 | 2019-11-06 | Analog Devices, Inc. | Electronic devices |
CN110726673B (zh) * | 2018-07-17 | 2022-02-18 | 中国科学院福建物质结构研究所 | 用于铁电晶体相变检测的光学探针及其检测方法 |
CN109781150B (zh) * | 2019-01-09 | 2021-04-09 | 福建睿能科技股份有限公司 | 一种磁编码器的控制方法、磁编码器及针织机器 |
EP3705902B1 (en) * | 2019-03-08 | 2021-10-27 | EM Microelectronic-Marin SA | Method of determining an absolute angle of a magnetic field |
US11467225B2 (en) | 2019-03-08 | 2022-10-11 | Em Microelectronic-Marin Sa | Method of determining an absolute angle of a magnetic field |
CN110867093B (zh) * | 2019-10-24 | 2021-04-13 | 中移(杭州)信息技术有限公司 | 车位信息检测方法、系统、网络设备及存储介质 |
DE102020118723B4 (de) | 2020-07-15 | 2024-02-22 | Infineon Technologies Ag | Ein Verfahren zum Bestimmen einer Position eines ersten Objekts in einem Positioniersystem, ein Positioniersystem und ein Computerprogramm |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3784248B2 (ja) * | 2000-10-02 | 2006-06-07 | 株式会社ジェイテクト | 回転角度検出装置、トルクセンサ及び舵取装置 |
JP2003139560A (ja) * | 2001-10-30 | 2003-05-14 | Mitsubishi Electric Corp | 回転位置検出装置 |
US7307415B2 (en) * | 2002-02-14 | 2007-12-11 | Bvr Technologies Co. | Contactless angular position sensor and method for sensing angular position of a rotatable shaft |
US20040017187A1 (en) * | 2002-07-24 | 2004-01-29 | Van Ostrand Kent E. | Magnetoresistive linear position sensor |
US7119534B2 (en) * | 2002-12-18 | 2006-10-10 | Koninklijke Philips Electronics N.V. | Magnetic position sensor |
JP4007313B2 (ja) * | 2003-01-22 | 2007-11-14 | 株式会社村田製作所 | 角度センサ |
JP2004264222A (ja) * | 2003-03-03 | 2004-09-24 | Midori Sokki:Kk | 回転角度センサ用磁気マーカ |
JP2005223221A (ja) * | 2004-02-06 | 2005-08-18 | Denso Corp | 磁気検出装置およびその製造方法 |
JP2006031399A (ja) * | 2004-07-15 | 2006-02-02 | Fujitsu Component Ltd | ポインティングデバイス |
DE502008003226D1 (de) * | 2007-11-30 | 2011-05-26 | Continental Teves Ag & Co Ohg | Absolut messende lenkwinkelsensoranordnung |
WO2009121193A1 (de) * | 2008-04-02 | 2009-10-08 | Polycontact Ag | Magnetische linearsensoranordnung |
US8283921B2 (en) * | 2008-11-26 | 2012-10-09 | General Electric Company | Magnetoresistance sensors for position and orientation determination |
US8797024B2 (en) * | 2011-02-01 | 2014-08-05 | Infineon Technologies Ag | Sensor |
US20120229128A1 (en) * | 2011-03-10 | 2012-09-13 | Armin Satz | Magnetic Field Sensor |
US8717010B2 (en) * | 2011-08-19 | 2014-05-06 | Infineon Technologies Ag | Magnetic position sensors, systems and methods |
US20130113465A1 (en) * | 2011-11-04 | 2013-05-09 | Delphi Technologies, Inc. | Multiple function control knob assembly |
-
2014
- 2014-03-03 US US14/195,103 patent/US9372064B2/en active Active
- 2014-03-07 EP EP14158442.5A patent/EP2778621B1/en active Active
- 2014-03-12 JP JP2014048330A patent/JP6170854B2/ja not_active Expired - Fee Related
- 2014-03-12 KR KR1020140028782A patent/KR20140113411A/ko not_active Withdrawn
- 2014-03-14 CN CN201410155748.9A patent/CN104048594B/zh active Active
Also Published As
Publication number | Publication date |
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CN104048594B (zh) | 2018-06-12 |
EP2778621A2 (en) | 2014-09-17 |
EP2778621B1 (en) | 2020-11-11 |
EP2778621A3 (en) | 2017-10-25 |
US20140266158A1 (en) | 2014-09-18 |
CN104048594A (zh) | 2014-09-17 |
KR20140113411A (ko) | 2014-09-24 |
EP2778621A8 (en) | 2016-03-16 |
JP2014178316A (ja) | 2014-09-25 |
US9372064B2 (en) | 2016-06-21 |
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