DE69806952D1 - Speckle verfahren und apparatur zur bestimmung von winkelverschiebung, oberflächenverschiebung und torsion - Google Patents

Speckle verfahren und apparatur zur bestimmung von winkelverschiebung, oberflächenverschiebung und torsion

Info

Publication number
DE69806952D1
DE69806952D1 DE69806952T DE69806952T DE69806952D1 DE 69806952 D1 DE69806952 D1 DE 69806952D1 DE 69806952 T DE69806952 T DE 69806952T DE 69806952 T DE69806952 T DE 69806952T DE 69806952 D1 DE69806952 D1 DE 69806952D1
Authority
DE
Germany
Prior art keywords
shifting
torsion
determining angle
speckle method
speckle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69806952T
Other languages
English (en)
Other versions
DE69806952T2 (de
Inventor
Bjarke Rose
Husain Imam
Steen Hanson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danmarks Tekniskie Universitet
Original Assignee
Riso National Laboratory
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Riso National Laboratory filed Critical Riso National Laboratory
Publication of DE69806952D1 publication Critical patent/DE69806952D1/de
Application granted granted Critical
Publication of DE69806952T2 publication Critical patent/DE69806952T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
    • G01L3/12—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving photoelectric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
    • G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
    • G01B11/162—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means by speckle- or shearing interferometry

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
DE69806952T 1997-05-16 1998-05-15 Speckle verfahren und apparatur zur bestimmung von winkelverschiebung, oberflächenverschiebung und torsion Expired - Fee Related DE69806952T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK56597 1997-05-16
PCT/DK1998/000191 WO1998053271A2 (en) 1997-05-16 1998-05-15 Method and apparatus for determining angular displacement, surface translation, and twist

Publications (2)

Publication Number Publication Date
DE69806952D1 true DE69806952D1 (de) 2002-09-05
DE69806952T2 DE69806952T2 (de) 2002-11-21

Family

ID=8094985

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69806952T Expired - Fee Related DE69806952T2 (de) 1997-05-16 1998-05-15 Speckle verfahren und apparatur zur bestimmung von winkelverschiebung, oberflächenverschiebung und torsion

Country Status (5)

Country Link
US (1) US6248994B1 (de)
EP (1) EP1019668B1 (de)
AU (1) AU7424798A (de)
DE (1) DE69806952T2 (de)
WO (1) WO1998053271A2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002009A1 (en) 1994-07-08 1996-01-25 Forskningscenter Risø An optical measurement method and apparatus
JP2001304816A (ja) * 2000-04-26 2001-10-31 Kenichiro Kobayashi レーザ反射光による粒状斑点模様を利用した移動量測定方式とその装置
US6642506B1 (en) 2000-06-01 2003-11-04 Mitutoyo Corporation Speckle-image-based optical position transducer having improved mounting and directional sensitivities
US7065258B2 (en) * 2001-05-21 2006-06-20 Mitutoyo Corporation Systems and methods for reducing accumulated systematic errors in image correlation displacement sensing systems
RU2319158C2 (ru) 2002-02-14 2008-03-10 Данмаркс Текниске Университет Оптический измерительный преобразователь смещения
US20040011149A1 (en) * 2002-04-03 2004-01-22 David Carroll Integrated angular and radial position sensor
JP2007064864A (ja) * 2005-09-01 2007-03-15 Toyo Seiki Seisakusho:Kk 歪み計測方法、歪み計測装置
KR101320520B1 (ko) * 2006-11-06 2013-10-22 삼성전자주식회사 이미지 센서의 위치 보정 방법 및 장치 그리고 위치 검출방법
CN102589447B (zh) * 2012-03-09 2014-01-29 方平 基于双通道光栅的微小线性位移传感器
CN102607468B (zh) * 2012-03-09 2013-08-21 方平 一种基于双通道光栅的微小角位移传感器
CZ2013164A3 (cs) * 2013-03-05 2014-01-02 Univerzita PalackĂ©ho Způsob bezkontaktní detekce absolutní polohy pohybujícího se předmětu s využitím jevu koherenční zrnitosti a zařízení k provádění tohoto způsobu
CN105393123B (zh) * 2013-07-23 2019-05-07 京都电子工业株式会社 旋转速度检测装置、使用该装置的粘度测定装置、旋转速度检测方法以及用在该方法中的旋转体
US9773190B2 (en) * 2013-12-10 2017-09-26 National Chung-Shan Institute Of Science And Technology Precision calibration method for high-precise rotary encoder
US9574915B1 (en) * 2015-12-22 2017-02-21 National Chung-Shan Institute Of Science & Technology Precision calibration method for high-precise rotary encoder
WO2017145145A1 (en) * 2016-02-25 2017-08-31 ContinUse Biometrics Ltd. A method and system for monitoring parameters of a moving object
US20210177380A1 (en) * 2019-12-13 2021-06-17 Korea Advanced Institute Of Science And Technology Method and apparatus for quantitative ultrasound imaging using single-ultrasound probe
CN115166201B (zh) * 2022-07-01 2024-06-14 山东交通学院 一种边坡稳定性的新型定量分析方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3419330A (en) * 1965-04-06 1968-12-31 Sperry Rand Corp Diffraction grating angular rate sensor
CH548607A (de) * 1971-05-05 1974-04-30 Hasler Ag Einrichtung zur messung der relativgeschwindigkeit und/ oder des verschiebungsweges eines koerpers parallel zu einer flaeche.
EP0024167A3 (de) * 1979-08-07 1982-08-04 Rolls-Royce Plc Verfahren und Apparat zum Messen von Punktverschiebungen mittels Speckle-Interferometrie
US4525068A (en) * 1982-09-17 1985-06-25 General Electric Company Torque measurement method and apparatus
GB9012004D0 (en) * 1990-05-30 1990-07-18 Univ Southampton Laser torquemeter
DK120692D0 (da) * 1992-09-30 1992-09-30 Risoe Forskningscenter Rotationsmaaling

Also Published As

Publication number Publication date
EP1019668B1 (de) 2002-07-31
EP1019668A2 (de) 2000-07-19
US6248994B1 (en) 2001-06-19
WO1998053271A2 (en) 1998-11-26
AU7424798A (en) 1998-12-11
WO1998053271A3 (en) 1999-02-25
DE69806952T2 (de) 2002-11-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DANMARKS TEKNISKE UNIVERSITET, LYNGBY, DK

8339 Ceased/non-payment of the annual fee