FR2688584B1 - FIBER OPTIC DAMAGE CONTROL STRUCTURE AND METHOD OF IMPLEMENTATION. - Google Patents

FIBER OPTIC DAMAGE CONTROL STRUCTURE AND METHOD OF IMPLEMENTATION.

Info

Publication number
FR2688584B1
FR2688584B1 FR9203006A FR9203006A FR2688584B1 FR 2688584 B1 FR2688584 B1 FR 2688584B1 FR 9203006 A FR9203006 A FR 9203006A FR 9203006 A FR9203006 A FR 9203006A FR 2688584 B1 FR2688584 B1 FR 2688584B1
Authority
FR
France
Prior art keywords
implementation
fiber optic
control structure
damage control
optic damage
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
FR9203006A
Other languages
French (fr)
Other versions
FR2688584A1 (en
Inventor
Philippe Thomson-Csf S Bonniau
Bernard Thomson-Csf Scp Estang
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9203006A priority Critical patent/FR2688584B1/en
Publication of FR2688584A1 publication Critical patent/FR2688584A1/en
Application granted granted Critical
Publication of FR2688584B1 publication Critical patent/FR2688584B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0091—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection
    • 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
    • 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
    • G01D5/344—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 polarisation
    • 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]
    • G01M11/085—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT] the optical fiber being on or near the surface of the DUT
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Light Guides In General And Applications Therefor (AREA)
FR9203006A 1992-03-13 1992-03-13 FIBER OPTIC DAMAGE CONTROL STRUCTURE AND METHOD OF IMPLEMENTATION. Expired - Fee Related FR2688584B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9203006A FR2688584B1 (en) 1992-03-13 1992-03-13 FIBER OPTIC DAMAGE CONTROL STRUCTURE AND METHOD OF IMPLEMENTATION.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9203006A FR2688584B1 (en) 1992-03-13 1992-03-13 FIBER OPTIC DAMAGE CONTROL STRUCTURE AND METHOD OF IMPLEMENTATION.

Publications (2)

Publication Number Publication Date
FR2688584A1 FR2688584A1 (en) 1993-09-17
FR2688584B1 true FR2688584B1 (en) 1996-11-15

Family

ID=9427645

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9203006A Expired - Fee Related FR2688584B1 (en) 1992-03-13 1992-03-13 FIBER OPTIC DAMAGE CONTROL STRUCTURE AND METHOD OF IMPLEMENTATION.

Country Status (1)

Country Link
FR (1) FR2688584B1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2783911B1 (en) 1998-09-29 2000-12-15 Aerospatiale METHOD FOR MONITORING THE CONDITION OF A COMPOSITE STRUCTURE AND PRESSURE FLUID RESERVOIR HAVING A DEVICE IMPLEMENTING THIS METHOD
ATE433044T1 (en) * 2004-08-27 2009-06-15 Schlumberger Holdings SENSOR AND MEASURING DEVICE FOR DETERMINING THE BENDING RADIUS AND SHAPE OF A PIPE
ATE404853T1 (en) * 2004-12-16 2008-08-15 Insensys Oil & Gas Ltd DEVICE FOR MONITORING VOLTAGE IN A CONNECTION OF STRUCTURES
EP1840501B1 (en) * 2006-03-28 2017-08-02 Pulse Structural Monitoring Limited Curvature sensor
GB2490086B (en) * 2010-11-08 2015-04-08 Silixa Ltd Fibre optic monitoring installation, apparatus and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4659923A (en) * 1981-03-09 1987-04-21 Polaroid Corporation Fiber optic interferometer transducer
GB8322486D0 (en) * 1983-08-20 1983-09-21 Nmi Ltd Crack monitors
JPS61277028A (en) * 1985-05-31 1986-12-08 Sumitomo Electric Ind Ltd Sensor

Also Published As

Publication number Publication date
FR2688584A1 (en) 1993-09-17

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Legal Events

Date Code Title Description
CL Concession to grant licenses
CD Change of name or company name
ST Notification of lapse