NO944899L - Fremgangsmåte og anordning til kontinuerlig overvåking av dynamiske belastninger - Google Patents

Fremgangsmåte og anordning til kontinuerlig overvåking av dynamiske belastninger

Info

Publication number
NO944899L
NO944899L NO944899A NO944899A NO944899L NO 944899 L NO944899 L NO 944899L NO 944899 A NO944899 A NO 944899A NO 944899 A NO944899 A NO 944899A NO 944899 L NO944899 L NO 944899L
Authority
NO
Norway
Prior art keywords
continuous monitoring
dynamic loads
loads
dynamic
monitoring
Prior art date
Application number
NO944899A
Other languages
English (en)
Other versions
NO303470B1 (no
NO944899D0 (no
Inventor
Vidag Sannerhaugen
Sten Hellvik
Original Assignee
Safety One As
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 Safety One As filed Critical Safety One As
Priority to NO944899A priority Critical patent/NO303470B1/no
Publication of NO944899D0 publication Critical patent/NO944899D0/no
Priority to EP95941932A priority patent/EP0809785A1/en
Priority to JP8518638A priority patent/JPH10511454A/ja
Priority to AU43180/96A priority patent/AU706244B2/en
Priority to PCT/NO1995/000234 priority patent/WO1996018866A1/en
Priority to CA002208448A priority patent/CA2208448A1/en
Priority to CN95197567.6A priority patent/CN1175305A/zh
Priority to US08/849,951 priority patent/US5942750A/en
Publication of NO944899L publication Critical patent/NO944899L/no
Priority to FI972541A priority patent/FI972541A/fi
Publication of NO303470B1 publication Critical patent/NO303470B1/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G01M11/086—Details about the embedment of the optical fiber within the DUT
    • 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
    • G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
    • 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
    • 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
    • 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
    • G01L1/243—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 using means for applying force perpendicular to the fibre axis
    • 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
    • G01L1/243—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 using means for applying force perpendicular to the fibre axis
    • G01L1/245—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 using means for applying force perpendicular to the fibre axis using microbending
    • 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
    • G01L1/246—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 using integrated gratings, e.g. Bragg gratings
    • 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
    • G01L1/247—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 using distributed sensing elements, e.g. microcapsules

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
NO944899A 1994-12-16 1994-12-16 FremgangsmÕte og system til kontinuerlig og global overvÕking av dynamiske belastninger NO303470B1 (no)

Priority Applications (9)

Application Number Priority Date Filing Date Title
NO944899A NO303470B1 (no) 1994-12-16 1994-12-16 FremgangsmÕte og system til kontinuerlig og global overvÕking av dynamiske belastninger
US08/849,951 US5942750A (en) 1994-12-16 1995-12-15 Method and device for continuous monitoring of dynamic loads
PCT/NO1995/000234 WO1996018866A1 (en) 1994-12-16 1995-12-15 A method and device for continuous monitoring of dynamic loads
JP8518638A JPH10511454A (ja) 1994-12-16 1995-12-15 動的負荷の連続監視方法と装置
AU43180/96A AU706244B2 (en) 1994-12-16 1995-12-15 A method and device for continuous monitoring of dynamic loads
EP95941932A EP0809785A1 (en) 1994-12-16 1995-12-15 A method and device for continuous monitoring of dynamic loads
CA002208448A CA2208448A1 (en) 1994-12-16 1995-12-15 A method and device for continuous monitoring of dynamic loads
CN95197567.6A CN1175305A (zh) 1994-12-16 1995-12-15 用于动态负载连续监测的方法和装置
FI972541A FI972541A (fi) 1994-12-16 1997-06-16 Menetelmä ja laite dynaamisten kuormituksen jatkuvaan tarkkailuun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO944899A NO303470B1 (no) 1994-12-16 1994-12-16 FremgangsmÕte og system til kontinuerlig og global overvÕking av dynamiske belastninger

Publications (3)

Publication Number Publication Date
NO944899D0 NO944899D0 (no) 1994-12-16
NO944899L true NO944899L (no) 1996-06-17
NO303470B1 NO303470B1 (no) 1998-07-13

Family

ID=19897766

Family Applications (1)

Application Number Title Priority Date Filing Date
NO944899A NO303470B1 (no) 1994-12-16 1994-12-16 FremgangsmÕte og system til kontinuerlig og global overvÕking av dynamiske belastninger

Country Status (9)

Country Link
US (1) US5942750A (no)
EP (1) EP0809785A1 (no)
JP (1) JPH10511454A (no)
CN (1) CN1175305A (no)
AU (1) AU706244B2 (no)
CA (1) CA2208448A1 (no)
FI (1) FI972541A (no)
NO (1) NO303470B1 (no)
WO (1) WO1996018866A1 (no)

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CN105157596B (zh) * 2015-10-12 2018-09-28 国网上海市电力公司 一种智能电力排管变形监测系统
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CN108548627B (zh) * 2018-03-26 2020-12-04 广船国际有限公司 一种船舶结构热点应力的监测方法
JP7206752B2 (ja) * 2018-09-27 2023-01-18 沖電気工業株式会社 光ファイバセンサ装置及び光ファイバセンサシステム
CN109828146B (zh) * 2018-11-22 2022-03-22 常州天正工业发展股份有限公司 一种通过设备电参数ad采样判断设备工况的方法
CN109883388B (zh) * 2019-03-21 2021-03-02 华思（广州）测控科技有限公司 道路桥梁沉降变形实时预警监测系统及其监测方法
CN112085044B (zh) * 2019-06-14 2023-11-24 中南大学 一种基于自动化监测数据的边坡动态分类方法
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Also Published As

Publication number Publication date
FI972541A0 (fi) 1997-06-16
EP0809785A1 (en) 1997-12-03
AU706244B2 (en) 1999-06-10
AU4318096A (en) 1996-07-03
NO303470B1 (no) 1998-07-13
US5942750A (en) 1999-08-24
JPH10511454A (ja) 1998-11-04
WO1996018866A1 (en) 1996-06-20
CA2208448A1 (en) 1996-06-20
NO944899D0 (no) 1994-12-16
CN1175305A (zh) 1998-03-04
FI972541A (fi) 1997-08-13

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