JP2023523021A - 回転シャフトの回転位置を測定するための画像ベースのセンサ - Google Patents

回転シャフトの回転位置を測定するための画像ベースのセンサ Download PDF

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Publication number
JP2023523021A
JP2023523021A JP2022564556A JP2022564556A JP2023523021A JP 2023523021 A JP2023523021 A JP 2023523021A JP 2022564556 A JP2022564556 A JP 2022564556A JP 2022564556 A JP2022564556 A JP 2022564556A JP 2023523021 A JP2023523021 A JP 2023523021A
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image data
image
frame
sensor
rotatable shaft
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JP2023523021A5 (https=
JPWO2021216511A5 (https=
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ラトバーグ マイケル
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シーエーエムエックス パワー リミティド ライアビリティ カンパニー
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Publication of JP2023523021A publication Critical patent/JP2023523021A/ja
Publication of JP2023523021A5 publication Critical patent/JP2023523021A5/ja
Publication of JPWO2021216511A5 publication Critical patent/JPWO2021216511A5/ja
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • 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
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • 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
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
    • G01L3/02—Rotary-transmission dynamometers
    • G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/08—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving optical means for indicating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0007—Image acquisition
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/40—Analysis of texture
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • 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
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30164—Workpiece; Machine component

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Length Measuring Devices By Optical Means (AREA)
JP2022564556A 2020-04-23 2021-04-20 回転シャフトの回転位置を測定するための画像ベースのセンサ Pending JP2023523021A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202063014236P 2020-04-23 2020-04-23
US63/014,236 2020-04-23
US17/183,068 US11694323B2 (en) 2020-04-23 2021-02-23 Image-based sensor for measuring rotational position of a rotating shaft
US17/183,068 2021-02-23
PCT/US2021/028104 WO2021216511A1 (en) 2020-04-23 2021-04-20 Image-based sensor for measuring rotational position of a rotating shaft

Publications (3)

Publication Number Publication Date
JP2023523021A true JP2023523021A (ja) 2023-06-01
JP2023523021A5 JP2023523021A5 (https=) 2024-04-30
JPWO2021216511A5 JPWO2021216511A5 (https=) 2024-04-30

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JP2022564556A Pending JP2023523021A (ja) 2020-04-23 2021-04-20 回転シャフトの回転位置を測定するための画像ベースのセンサ

Country Status (7)

Country Link
US (1) US11694323B2 (https=)
EP (1) EP4139693A4 (https=)
JP (1) JP2023523021A (https=)
KR (1) KR20230006870A (https=)
CN (1) CN115605763A (https=)
CA (1) CA3175777A1 (https=)
WO (1) WO2021216511A1 (https=)

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* Cited by examiner, † Cited by third party
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US11555751B2 (en) * 2019-11-19 2023-01-17 International Electronic Machines Corp. Noncontact optical torque measurement of rotating component
CN114486588A (zh) * 2022-01-26 2022-05-13 北京海创高科科技有限公司 一种非接触式图像传感器的滑块位置检测方法
FR3133671B1 (fr) * 2022-03-16 2024-07-05 Eyegauge Dispositif de mesure du couple de torsion et de la poussée auxquels est soumis un arbre en rotation
CN114887843B (zh) * 2022-06-13 2026-03-31 辽宁德祥源智能装备有限公司 螺旋输送的钢管前进速度检测装置及检测系统

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JPS60262002A (ja) * 1984-06-08 1985-12-25 Nippon Kokan Kk <Nkk> バリ位置検出方法およびその検出装置
JPS62201365A (ja) * 1986-02-28 1987-09-05 Sony Corp ビデオカメラを用いた速度測定装置
JPH0550312U (ja) * 1991-12-04 1993-07-02 住友金属工業株式会社 電縫鋼管のシーム位置検出装置
JPH0719815A (ja) * 1993-06-22 1995-01-20 Kumagai Gumi Co Ltd 位置検出方法
JP2001126184A (ja) * 1999-10-29 2001-05-11 Matsushita Electric Ind Co Ltd ナンバープレート自動認識装置と車両速度測定方法
JP2001183383A (ja) * 1999-12-28 2001-07-06 Casio Comput Co Ltd 撮像装置及び撮像対象の速度算出方法
JP2006078261A (ja) * 2004-09-08 2006-03-23 Nissan Motor Co Ltd 物体検出装置
JP2006125393A (ja) * 2004-10-12 2006-05-18 Snecma 地上試験にためにターボ機械のブレードの先端の軸方向変位量を測定する装置および装置の使用方法
JP2013087967A (ja) * 2011-10-13 2013-05-13 Hitachi Ltd 銃器弾丸の異同識別方法及びその装置
JP2013152219A (ja) * 2011-12-26 2013-08-08 Japan Traffic Management Technology Association 速度計測システム、速度計測方法及びプログラム
JP2013195310A (ja) * 2012-03-21 2013-09-30 Casio Comput Co Ltd 解析システム及び解析方法
JP2015132504A (ja) * 2014-01-10 2015-07-23 富士通セミコンダクター株式会社 距離測定方法および距離測定装置
JP2018013450A (ja) * 2016-07-22 2018-01-25 株式会社小野測器 回転速度計測装置及び回転速度計測方法

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JP2007139756A (ja) 2005-10-17 2007-06-07 Ricoh Co Ltd 相対位置検出装置、回転体走行検出装置及び画像形成装置
IT1394723B1 (it) * 2009-06-10 2012-07-13 Rolic Invest Sarl Impianto eolico per la generazione di energia elettrica e relativo metodo di controllo
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Publication number Priority date Publication date Assignee Title
JPS60262002A (ja) * 1984-06-08 1985-12-25 Nippon Kokan Kk <Nkk> バリ位置検出方法およびその検出装置
JPS62201365A (ja) * 1986-02-28 1987-09-05 Sony Corp ビデオカメラを用いた速度測定装置
JPH0550312U (ja) * 1991-12-04 1993-07-02 住友金属工業株式会社 電縫鋼管のシーム位置検出装置
JPH0719815A (ja) * 1993-06-22 1995-01-20 Kumagai Gumi Co Ltd 位置検出方法
JP2001126184A (ja) * 1999-10-29 2001-05-11 Matsushita Electric Ind Co Ltd ナンバープレート自動認識装置と車両速度測定方法
JP2001183383A (ja) * 1999-12-28 2001-07-06 Casio Comput Co Ltd 撮像装置及び撮像対象の速度算出方法
JP2006078261A (ja) * 2004-09-08 2006-03-23 Nissan Motor Co Ltd 物体検出装置
JP2006125393A (ja) * 2004-10-12 2006-05-18 Snecma 地上試験にためにターボ機械のブレードの先端の軸方向変位量を測定する装置および装置の使用方法
JP2013087967A (ja) * 2011-10-13 2013-05-13 Hitachi Ltd 銃器弾丸の異同識別方法及びその装置
JP2013152219A (ja) * 2011-12-26 2013-08-08 Japan Traffic Management Technology Association 速度計測システム、速度計測方法及びプログラム
JP2013195310A (ja) * 2012-03-21 2013-09-30 Casio Comput Co Ltd 解析システム及び解析方法
JP2015132504A (ja) * 2014-01-10 2015-07-23 富士通セミコンダクター株式会社 距離測定方法および距離測定装置
JP2018013450A (ja) * 2016-07-22 2018-01-25 株式会社小野測器 回転速度計測装置及び回転速度計測方法

Also Published As

Publication number Publication date
EP4139693A4 (en) 2024-04-24
CN115605763A (zh) 2023-01-13
WO2021216511A1 (en) 2021-10-28
EP4139693A1 (en) 2023-03-01
US11694323B2 (en) 2023-07-04
CA3175777A1 (en) 2021-10-28
US20220076403A1 (en) 2022-03-10
KR20230006870A (ko) 2023-01-11

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