KR20230006870A - 회전 샤프트의 회전 위치를 측정하기 위한 이미지 기반 센서 - Google Patents

회전 샤프트의 회전 위치를 측정하기 위한 이미지 기반 센서 Download PDF

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Publication number
KR20230006870A
KR20230006870A KR1020227041077A KR20227041077A KR20230006870A KR 20230006870 A KR20230006870 A KR 20230006870A KR 1020227041077 A KR1020227041077 A KR 1020227041077A KR 20227041077 A KR20227041077 A KR 20227041077A KR 20230006870 A KR20230006870 A KR 20230006870A
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KR
South Korea
Prior art keywords
image data
rotatable shaft
image
frame
sensor
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Pending
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KR1020227041077A
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English (en)
Korean (ko)
Inventor
마이클 루트버그
Original Assignee
캠엑스 파워 엘엘씨
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Application filed by 캠엑스 파워 엘엘씨 filed Critical 캠엑스 파워 엘엘씨
Publication of KR20230006870A publication Critical patent/KR20230006870A/ko
Pending legal-status Critical Current

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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)
KR1020227041077A 2020-04-23 2021-04-20 회전 샤프트의 회전 위치를 측정하기 위한 이미지 기반 센서 Pending KR20230006870A (ko)

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 (1)

Publication Number Publication Date
KR20230006870A true KR20230006870A (ko) 2023-01-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227041077A Pending KR20230006870A (ko) 2020-04-23 2021-04-20 회전 샤프트의 회전 위치를 측정하기 위한 이미지 기반 센서

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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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
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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
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FR2972256B1 (fr) * 2011-03-02 2013-03-29 Turbomeca Procede de calibration d'un couplemetre a torsion
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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
KR102224848B1 (ko) * 2014-10-06 2021-03-08 삼성전자주식회사 발광 소자 패키지 제조 방법
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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
JP2023523021A (ja) 2023-06-01

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