JP6694953B2 - シャフト回転角測定方法及びシステム - Google Patents
シャフト回転角測定方法及びシステム Download PDFInfo
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- JP6694953B2 JP6694953B2 JP2018516448A JP2018516448A JP6694953B2 JP 6694953 B2 JP6694953 B2 JP 6694953B2 JP 2018516448 A JP2018516448 A JP 2018516448A JP 2018516448 A JP2018516448 A JP 2018516448A JP 6694953 B2 JP6694953 B2 JP 6694953B2
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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
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- 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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
- G01D5/204—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2046—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core
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- 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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
- G01D5/204—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2053—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element
- G01D5/206—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 by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable non-ferromagnetic conductive element constituting a short-circuiting element
-
- 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
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
- G01D2205/77—Specific profiles
- G01D2205/776—Cam-shaped profiles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
典型的に数度の角度進行を許容する歪ベースのメカニズムとは異なり、回転する接続部により拘束される対象物は、360度に及ぶほどの大きな角度についての正確な測定を必要とする。
Claims (18)
- ラージ・シャフト回転角を測定する方法であって:
A)ハーモニックを規定する1つ以上の形状特徴を各々が有する2つ以上のカムを有するカム機構を提供する工程であって、前記2つ以上のカムは共通の回転軸を共有する、工程;
B)回転軸により前記カム機構を回転させる工程;
C)複数の位置センサにより、前記カムに対する前記複数の位置センサの場所により規定される特定の検知角度における差分測定値を判定する工程;及び
D)ラージ・シャフト回転角を判定するために、前記差分測定値の各々をプロセッサにより分析する工程;
を有し、前記カム機構は、複数のハーモニックを規定する形状特徴を有する単独のカムを有する、方法。 - 前記カム機構は前記回転軸に垂直な平面内に配置され、前記複数の位置センサは前記垂直な平面内に又は前記垂直な平面に平行な平面内に配置される、請求項1に記載の方法。
- 前記ハーモニックそれぞれの特定の次数は、互いに素である、請求項1に記載の方法。
- 前記ハーモニックそれぞれの特定の次数は、奇数である、請求項1に記載の方法。
- 前記2つ以上のカムの各々は、相互排除次数のハーモニックを有する、請求項1に記載の方法。
- 前記2つ以上のカムの各々は、単独のハーモニックを有する、請求項1に記載の方法。
- 前記ハーモニックそれぞれの特定の次数は、互いに素である、請求項1に記載の方法。
- 前記D)の工程は:
D1)前記共通の回転軸のチップを判定する工程;
を含む、請求項1に記載の方法。 - 前記D)の工程は:
D1)共通の回転軸のチルトを判定する工程;
を含む、請求項1に記載の方法。 - シャフトの回転角を測定するシステムであって:
回転軸に関して回転可能なシャフト;
前記シャフトに結合され、少なくとも1つのハーモニックを規定する特徴を有するカム機構であって、共通の回転軸を共有する2つ以上のカムを有するカム機構;
前記カム機構に関連して配置される複数のセンサであって、前記カムに対する位置センサのペアの場所により規定される特定の検知角度における差分測定値を判定する複数のセンサ;及び
複数の位置センサとともに、前記回転軸に対する位置センサのペアの場所により規定される特定の検知角度における差分測定値を判定するように構成されるプロセッサ;
を有し、前記カム機構は、複数のハーモニックを規定する特徴を有する単独のカムを含む、システム。 - 前記複数の位置センサのペアは、前記回転軸に実質的に垂直な平面内で、前記カム機構に関して互いに対向して配置される、請求項10に記載のシステム。
- 前記プロセッサは、センサのペアの場所により規定される特定のセンシング角度で差分半径方向尺度を判定するように構成される、請求項11に記載のシステム。
- 前記プロセッサは、前記回転軸に垂直な2つの軸に沿う回転を判定し、判定された2つの軸に沿う回転から回転成分を除外し、ラージ・シャフト回転角を判定するように構成される、請求項11に記載のシステム。
- 前記プロセッサは、差分半径方向尺度の各々を分析し、共通の回転軸のチップ及びチルトのうちの少なくとも何れかを判定するように更に構成される、請求項10に記載のシステム。
- 前記2つ以上のカムの各々は、相互排除次数のハーモニックを有する、請求項14に記載のシステム。
- 前記2つ以上のカムの各々は、単独のハーモニックを有することが可能である、請求項15に記載のシステム。
- 前記ハーモニックそれぞれの特定の次数は、互いに素である、請求項15に記載のシステム。
- 前記ハーモニックそれぞれの特定の次数は、奇数である、請求項15に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/872,353 US10030963B2 (en) | 2015-10-01 | 2015-10-01 | Multidimensional angle determination using fine position sensors |
US14/872,353 | 2015-10-01 | ||
PCT/US2016/032506 WO2017058295A1 (en) | 2015-10-01 | 2016-05-13 | Multidimensional angle determination using fine position sensors |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018535400A JP2018535400A (ja) | 2018-11-29 |
JP6694953B2 true JP6694953B2 (ja) | 2020-05-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018516448A Expired - Fee Related JP6694953B2 (ja) | 2015-10-01 | 2016-05-13 | シャフト回転角測定方法及びシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US10030963B2 (ja) |
EP (1) | EP3356767B1 (ja) |
JP (1) | JP6694953B2 (ja) |
CA (1) | CA3000364A1 (ja) |
IL (1) | IL255936B (ja) |
WO (1) | WO2017058295A1 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103808251B (zh) * | 2014-02-14 | 2015-07-08 | 哈尔滨工业大学 | 航空发动机转子装配方法与装置 |
US10871381B2 (en) * | 2016-12-09 | 2020-12-22 | Tdk Corporation | Angle sensor and angle sensor system |
CN108008694B (zh) * | 2017-11-24 | 2020-05-01 | 中国航发沈阳黎明航空发动机有限责任公司 | 一种空间点的在线测量装置的测量方法 |
CN110411402B (zh) * | 2019-08-13 | 2021-08-06 | 上海元城汽车技术有限公司 | 一种半轴夹角的测量方法 |
US11259681B2 (en) | 2019-09-30 | 2022-03-01 | Midea Group Co., Ltd | Dishwasher with image-based diagnostics |
US11484183B2 (en) | 2019-09-30 | 2022-11-01 | Midea Group Co., Ltd. | Dishwasher with image-based object sensing |
US11399690B2 (en) * | 2019-09-30 | 2022-08-02 | Midea Group Co., Ltd. | Dishwasher with cam-based position sensor |
US11464389B2 (en) | 2019-09-30 | 2022-10-11 | Midea Group Co., Ltd. | Dishwasher with image-based detergent sensing |
US11191416B2 (en) | 2019-09-30 | 2021-12-07 | Midea Group Co., Ltd. | Dishwasher with image-based position sensor |
US11202550B2 (en) | 2019-11-20 | 2021-12-21 | Midea Group Co., Ltd. | Dishwasher thermal imaging system |
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JPH0743134A (ja) * | 1993-07-30 | 1995-02-10 | Optec Dai Ichi Denko Co Ltd | 回転角検出装置 |
JPH0868346A (ja) | 1994-08-26 | 1996-03-12 | Yamaha Motor Co Ltd | エンジンの角度センサ装置 |
JPH0989549A (ja) * | 1995-09-28 | 1997-04-04 | Ando Electric Co Ltd | カム位相差角の測定装置 |
US5965806A (en) | 1997-09-30 | 1999-10-12 | Cummins Engine Company, Inc. | Engine crankshaft sensing system |
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GB0028343D0 (en) | 2000-11-21 | 2001-01-03 | Fast Technology Gmbh | Angle measurement by magnetic transducer |
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WO2009066574A1 (ja) * | 2007-11-20 | 2009-05-28 | Sumida Corporation | 回転角度検出用センサ |
JP5540308B2 (ja) * | 2009-10-16 | 2014-07-02 | 株式会社ミツトヨ | ロータリーエンコーダ |
CA2789594A1 (en) | 2010-02-12 | 2011-08-18 | Freedom Innovations, L.L.C. | Angle measurement device and method |
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JP2014149021A (ja) * | 2013-01-31 | 2014-08-21 | Aisin Seiki Co Ltd | 自動変速装置 |
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-
2015
- 2015-10-01 US US14/872,353 patent/US10030963B2/en active Active
-
2016
- 2016-05-13 CA CA3000364A patent/CA3000364A1/en not_active Abandoned
- 2016-05-13 JP JP2018516448A patent/JP6694953B2/ja not_active Expired - Fee Related
- 2016-05-13 EP EP16724262.7A patent/EP3356767B1/en not_active Not-in-force
- 2016-05-13 WO PCT/US2016/032506 patent/WO2017058295A1/en active Application Filing
-
2017
- 2017-11-27 IL IL255936A patent/IL255936B/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US10030963B2 (en) | 2018-07-24 |
CA3000364A1 (en) | 2017-04-06 |
WO2017058295A1 (en) | 2017-04-06 |
IL255936B (en) | 2021-06-30 |
EP3356767B1 (en) | 2019-05-08 |
US20170097224A1 (en) | 2017-04-06 |
EP3356767A1 (en) | 2018-08-08 |
JP2018535400A (ja) | 2018-11-29 |
IL255936A (en) | 2018-01-31 |
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