DE69831405D1 - Verteiltes sensorsystem - Google Patents

Verteiltes sensorsystem

Info

Publication number
DE69831405D1
DE69831405D1 DE69831405T DE69831405T DE69831405D1 DE 69831405 D1 DE69831405 D1 DE 69831405D1 DE 69831405 T DE69831405 T DE 69831405T DE 69831405 T DE69831405 T DE 69831405T DE 69831405 D1 DE69831405 D1 DE 69831405D1
Authority
DE
Germany
Prior art keywords
strain
measured
sensor system
light
distributed sensor
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 - Lifetime
Application number
DE69831405T
Other languages
English (en)
Other versions
DE69831405T2 (de
Inventor
Mahmoud Farhadiroushan
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.)
Sensornet Ltd
Original Assignee
Sensornet Ltd
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 Sensornet Ltd filed Critical Sensornet Ltd
Publication of DE69831405D1 publication Critical patent/DE69831405D1/de
Application granted granted Critical
Publication of DE69831405T2 publication Critical patent/DE69831405T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • 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
    • G01D5/353—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 influencing the transmission properties of an optical fibre
    • G01D5/35383—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 influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Optical Transform (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE69831405T 1997-05-19 1998-05-19 Verteiltes sensorsystem Expired - Lifetime DE69831405T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9710057.2A GB9710057D0 (en) 1997-05-19 1997-05-19 Distributed sensing system
GB9710057 1997-05-19
PCT/GB1998/001442 WO1998053277A1 (en) 1997-05-19 1998-05-19 Distributed sensing system

Publications (2)

Publication Number Publication Date
DE69831405D1 true DE69831405D1 (de) 2005-10-06
DE69831405T2 DE69831405T2 (de) 2006-02-23

Family

ID=10812487

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69831405T Expired - Lifetime DE69831405T2 (de) 1997-05-19 1998-05-19 Verteiltes sensorsystem

Country Status (9)

Country Link
US (1) US6285446B1 (de)
EP (1) EP0983486B1 (de)
JP (1) JP2001525938A (de)
AT (1) ATE303582T1 (de)
CA (1) CA2288746C (de)
DE (1) DE69831405T2 (de)
ES (1) ES2244060T3 (de)
GB (1) GB9710057D0 (de)
WO (1) WO1998053277A1 (de)

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US7110624B2 (en) * 2001-12-14 2006-09-19 Evans & Sutherland Computer Corporation Fiber optic mechanical/thermal tuner and isolator
DE10242205B4 (de) * 2002-09-10 2018-02-08 Lios Technology Gmbh Verfahren und Vorrichtung zur räumlich ausgedehnten Erfassung von Betriebszuständen
GB0302434D0 (en) * 2003-02-03 2003-03-05 Sensor Highway Ltd Interferometric method and apparatus for measuring physical parameters
US7919325B2 (en) 2004-05-24 2011-04-05 Authentix, Inc. Method and apparatus for monitoring liquid for the presence of an additive
US7415063B1 (en) 2004-12-20 2008-08-19 The United States Of America As Represented By The Secretary Of The Navy Method to estimate noise in data
RU2008131050A (ru) 2006-02-01 2010-03-10 Афл Телекомьюникэйшнс Ллс (Us) Тензодатчик и способ измерения напряжения
US7744275B2 (en) * 2006-05-31 2010-06-29 Hitachi Cable, Ltd. Optical fiber temperature sensing device
US7664347B2 (en) * 2006-06-07 2010-02-16 Baker Hughes Incorporated Multi-core optical fiber sensor
US7379631B2 (en) * 2006-06-12 2008-05-27 Baker Hughes Incorporated Multi-core distributed temperature sensing fiber
US20080138581A1 (en) * 2006-07-17 2008-06-12 Rajmohan Bhandari Masking high-aspect aspect ratio structures
US8865288B2 (en) * 2006-07-17 2014-10-21 University Of Utah Research Foundation Micro-needle arrays having non-planar tips and methods of manufacture thereof
US7951300B2 (en) * 2006-07-17 2011-05-31 University Of Utah Research Foundation Water-scale needle array
WO2008073449A2 (en) 2006-12-12 2008-06-19 Evans & Sutherland Computer Corporation System and method for aligning rgb light in a single modulator projector
JP5130078B2 (ja) * 2008-02-25 2013-01-30 株式会社フジクラ 光ファイバ分布型センサ装置
US20090232183A1 (en) * 2008-03-13 2009-09-17 General Electric Company System and method to measure temperature in an electric machine
US20090245717A1 (en) * 2008-03-27 2009-10-01 General Electric Company System and method for measuring stator wedge tightness
US20090301994A1 (en) * 2008-05-12 2009-12-10 Rajmohan Bhandari Methods for Wafer Scale Processing of Needle Array Devices
US8358317B2 (en) 2008-05-23 2013-01-22 Evans & Sutherland Computer Corporation System and method for displaying a planar image on a curved surface
WO2009149197A2 (en) 2008-06-03 2009-12-10 University Of Utah Research Foundation High aspect ratio microelectrode arrays enabled to have customizable lengths and methods of making the same
US8702248B1 (en) 2008-06-11 2014-04-22 Evans & Sutherland Computer Corporation Projection method for reducing interpixel gaps on a viewing surface
US8672539B2 (en) 2008-06-12 2014-03-18 Halliburton Energy Services, Inc. Multiple sensor fiber optic sensing system
US8077378B1 (en) 2008-11-12 2011-12-13 Evans & Sutherland Computer Corporation Calibration system and method for light modulation device
US8639312B2 (en) * 2008-12-10 2014-01-28 University Of Utah Research Foundation System and method for electrically shielding a microelectrode array in a physiological pathway from electrical noise
DE102009020115B4 (de) * 2009-05-06 2013-07-18 Bundesanstalt für Materialforschung und -Prüfung (BAM) Fehlerkorrekturverfahren für einen faseroptischen Sensor und Meßvorrichtung
EP2440896A2 (de) * 2009-06-08 2012-04-18 Sensortran, Inc. Dts-system und -verfahren mit hoher abtastauflösung
DE102009027266A1 (de) * 2009-06-29 2010-12-30 Robert Bosch Gmbh Interferometrische Weg- und/oder Drehmessvorrichtung
US9194973B2 (en) 2010-12-03 2015-11-24 Baker Hughes Incorporated Self adaptive two dimensional filter for distributed sensing data
US20120143522A1 (en) * 2010-12-03 2012-06-07 Baker Hughes Incorporated Integrated Solution for Interpretation and Visualization of RTCM and DTS Fiber Sensing Data
US20120143523A1 (en) * 2010-12-03 2012-06-07 Baker Hughes Incorporated Interpretation of Real Time Casing Image (RTCI) Data Into 3D Tubular Deformation Image
US9103736B2 (en) 2010-12-03 2015-08-11 Baker Hughes Incorporated Modeling an interpretation of real time compaction modeling data from multi-section monitoring system
US9557239B2 (en) 2010-12-03 2017-01-31 Baker Hughes Incorporated Determination of strain components for different deformation modes using a filter
US9641826B1 (en) 2011-10-06 2017-05-02 Evans & Sutherland Computer Corporation System and method for displaying distant 3-D stereo on a dome surface
US9784862B2 (en) 2012-11-30 2017-10-10 Baker Hughes Incorporated Distributed downhole acousting sensing
US10337316B2 (en) * 2013-08-30 2019-07-02 Halliburton Energy Services, Inc. Distributed acoustic sensing system with variable spatial resolution
EP3037788A1 (de) 2014-12-23 2016-06-29 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Erkennung von lokalen Eigenschaftsänderungen in einer optischen Sensorfaser
DE102015103139B3 (de) * 2015-03-04 2016-08-11 Aiq Dienstleistungen Ug (Haftungsbeschränkt) Verteilte optische Messvorrichtungen und Verfahren zum Ausführen einer Messung
DE102017201523A1 (de) 2017-01-31 2018-08-02 Hochschule für angewandte Wissenschaften München Faseroptische Erfassungseinrichtung sowie Verfahren zum Betreiben einer solchen faseroptischen Erfassungseinrichtung
CN109827676B (zh) * 2017-11-23 2021-06-08 桂林电子科技大学 单模异质光纤级联的应变阵列传感器
EP3605048B1 (de) * 2018-08-01 2023-05-24 Viavi Solutions Inc. Doppelwellenlängenverteilte temperaturmessung mit eingebauter faserintegritätsüberwachung
US10634553B1 (en) * 2019-01-30 2020-04-28 Saudi Arabian Oil Company Hybrid distributed acoustic testing
WO2020167285A1 (en) * 2019-02-11 2020-08-20 Halliburton Energy Services, Inc. Wellbore distributed sensing using fiber optic rotary joint
US11644351B2 (en) 2021-03-19 2023-05-09 Saudi Arabian Oil Company Multiphase flow and salinity meter with dual opposite handed helical resonators
CN113654580B (zh) * 2021-07-30 2023-06-13 太原理工大学 一种同时测量温度与应变的光频域反射系统

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US4360272A (en) * 1980-03-20 1982-11-23 Optelecom, Inc. Fiber optic energy sensor and optical demodulation system and methods of making same
EP0233896B1 (de) * 1985-07-24 1990-08-22 BRITISH TELECOMMUNICATIONS public limited company Dielektrische lichtwellenleitervorrichtung
GB2190186B (en) * 1986-05-09 1990-12-19 Dr Jeremy Kenneth Arth Everard Greatly enhanced spatial detection of optical backscatter for sensor applications
GB2248498B (en) * 1990-10-04 1994-04-13 Marconi Gec Ltd Variable gain optical sensing system
JPH04204114A (ja) * 1990-11-30 1992-07-24 Fujikura Ltd 分布型光ファイバセンサ

Also Published As

Publication number Publication date
CA2288746A1 (en) 1998-11-26
EP0983486A1 (de) 2000-03-08
ES2244060T3 (es) 2005-12-01
EP0983486B1 (de) 2005-08-31
JP2001525938A (ja) 2001-12-11
US6285446B1 (en) 2001-09-04
ATE303582T1 (de) 2005-09-15
GB9710057D0 (en) 1997-07-09
DE69831405T2 (de) 2006-02-23
WO1998053277A1 (en) 1998-11-26
CA2288746C (en) 2006-07-11

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