CN112469968B - 角度检测系统以及角度检测方法 - Google Patents

角度检测系统以及角度检测方法 Download PDF

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Publication number
CN112469968B
CN112469968B CN201980046327.3A CN201980046327A CN112469968B CN 112469968 B CN112469968 B CN 112469968B CN 201980046327 A CN201980046327 A CN 201980046327A CN 112469968 B CN112469968 B CN 112469968B
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China
Prior art keywords
angle
encoder pattern
pattern
measurement
encoder
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Expired - Fee Related
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CN201980046327.3A
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English (en)
Chinese (zh)
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CN112469968A (zh
Inventor
安富敏
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Topcon Corp
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Topcon Corp
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Expired - Fee Related legal-status Critical Current
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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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/002—Active optical surveying means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
    • G01C15/02—Means for marking measuring points
    • G01C15/06—Surveyors' staffs; Movable markers
    • 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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34776—Absolute encoders with analogue or digital scales
    • G01D5/34792—Absolute encoders with analogue or digital scales with only digital scales or both digital and incremental scales
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30204—Marker

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
CN201980046327.3A 2018-08-01 2019-07-26 角度检测系统以及角度检测方法 Expired - Fee Related CN112469968B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018144784A JP7078486B2 (ja) 2018-08-01 2018-08-01 角度検出システムおよび角度検出方法
JP2018-144784 2018-08-01
PCT/JP2019/029422 WO2020026978A1 (ja) 2018-08-01 2019-07-26 角度検出システムおよび角度検出方法

Publications (2)

Publication Number Publication Date
CN112469968A CN112469968A (zh) 2021-03-09
CN112469968B true CN112469968B (zh) 2023-03-28

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CN201980046327.3A Expired - Fee Related CN112469968B (zh) 2018-08-01 2019-07-26 角度检测系统以及角度检测方法

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Country Link
US (1) US20210270640A1 (enExample)
EP (1) EP3832257A4 (enExample)
JP (1) JP7078486B2 (enExample)
CN (1) CN112469968B (enExample)
WO (1) WO2020026978A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12345812B2 (en) * 2020-01-02 2025-07-01 Analog Devices International Unlimited Company Angle of rotation determination in scanning LIDAR systems
DE102020201282A1 (de) * 2020-02-03 2021-08-05 Dr. Johannes Heidenhain Gesellschaft Mit Beschränkter Haftung Positionsmesseinrichtung und Verfahren zu deren Betrieb
US12392610B2 (en) * 2022-02-03 2025-08-19 Topcon Corporation Reference point indicating apparatus
EP4571248A1 (de) 2023-12-12 2025-06-18 Hilti Aktiengesellschaft Vorrichtungen und verfahren zur winkelmessung

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080707A (ja) * 1983-10-07 1985-05-08 Toshihiro Tsumura 傾斜角度計測装置
JP3184939B2 (ja) 1991-12-26 2001-07-09 株式会社ソキア アブソリュートエンコーダ
JPH07139942A (ja) * 1993-11-12 1995-06-02 Wacom Co Ltd 測量装置
AUPP482598A0 (en) * 1998-07-24 1998-08-13 Bishop Innovation Pty Limited Angle encoder
US5900930A (en) * 1997-10-21 1999-05-04 Eaton Corporation Angle sensor using a multi-pixel optical device
JP2000081487A (ja) * 1998-05-08 2000-03-21 Osaka Gas Co Ltd 探査方法及び装置
EP1329690A1 (de) * 2002-01-22 2003-07-23 Leica Geosystems AG Verfahren und Vorrichtung zum automatischen Auffinden von Zielmarken
WO2005067533A2 (en) * 2004-01-14 2005-07-28 International Barcode Corporation Scannable virtual bar code image compensating for distortions
US20090024325A1 (en) 2007-07-19 2009-01-22 Scherzinger Bruno M AINS enhanced survey instrument
CN101964045A (zh) * 2010-09-30 2011-02-02 西北工业大学 标刻在圆柱面产品上的数据矩阵码畸变校正方法
WO2012169582A1 (ja) * 2011-06-09 2012-12-13 コーデンシ株式会社 ロータリーエンコーダ用スケール及びその射出成型方法、それを用いたロータリーエンコーダ
US20130204574A1 (en) * 2012-02-07 2013-08-08 Amit Agrawal Method for Estimating Positions Using Absolute Encoders
CN104254755B (zh) * 2013-09-10 2017-05-10 王勇 光学测量系统、光学测量方法及光学测量标尺
JP6438311B2 (ja) 2015-01-27 2018-12-12 株式会社トプコン 測量システム、測量方法、測量機及び測量用反射ターゲット
JP6433343B2 (ja) 2015-01-28 2018-12-05 株式会社トプコン 三次元位置計測システム
JP6054995B2 (ja) * 2015-01-29 2016-12-27 ファナック株式会社 クロストークを防止する光学式エンコーダ
US9605981B1 (en) * 2015-09-22 2017-03-28 Mitsubishi Electric Corporation Absolute encoder
JP6982424B2 (ja) 2017-07-14 2021-12-17 株式会社トプコン 測量システム
US10247542B2 (en) * 2017-08-09 2019-04-02 Leica Geosystems Ag Handheld measuring aid with a 3-axis joint connection and a spherical encoder
JP2019105515A (ja) 2017-12-12 2019-06-27 株式会社トプコン ターゲット装置、測量方法、測量装置およびプログラム

Also Published As

Publication number Publication date
WO2020026978A1 (ja) 2020-02-06
JP7078486B2 (ja) 2022-05-31
US20210270640A1 (en) 2021-09-02
EP3832257A4 (en) 2022-04-13
EP3832257A1 (en) 2021-06-09
CN112469968A (zh) 2021-03-09
JP2020020671A (ja) 2020-02-06

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