NO300345B1 - Fremgangsmåte og fiberoptisk interferometer for analyse av en byggverkskomponents dynamiske deformasjon - Google Patents
Fremgangsmåte og fiberoptisk interferometer for analyse av en byggverkskomponents dynamiske deformasjon Download PDFInfo
- Publication number
- NO300345B1 NO300345B1 NO902763A NO902763A NO300345B1 NO 300345 B1 NO300345 B1 NO 300345B1 NO 902763 A NO902763 A NO 902763A NO 902763 A NO902763 A NO 902763A NO 300345 B1 NO300345 B1 NO 300345B1
- Authority
- NO
- Norway
- Prior art keywords
- laser beam
- fiber
- deformation
- fiber bundle
- measuring
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims description 76
- 238000000034 method Methods 0.000 title claims description 10
- 238000004458 analytical method Methods 0.000 title description 6
- 239000013307 optical fiber Substances 0.000 claims description 42
- 238000005259 measurement Methods 0.000 claims description 21
- 238000010276 construction Methods 0.000 claims description 15
- 230000010287 polarization Effects 0.000 claims description 12
- 230000000644 propagated effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000002452 interceptive effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000018199 S phase Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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]
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8920963A IT1237486B (it) | 1989-06-23 | 1989-06-23 | Procedimento e dispositivo a sensori interferometrici a fibra ottica per l'analisi della deformazione dinamica di una struttura o di suoi componenti |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO902763D0 NO902763D0 (no) | 1990-06-21 |
| NO902763L NO902763L (no) | 1990-12-27 |
| NO300345B1 true NO300345B1 (no) | 1997-05-12 |
Family
ID=11174691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO902763A NO300345B1 (no) | 1989-06-23 | 1990-06-21 | Fremgangsmåte og fiberoptisk interferometer for analyse av en byggverkskomponents dynamiske deformasjon |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0404242B1 (es) |
| JP (1) | JP3057322B2 (es) |
| BR (1) | BR9003105A (es) |
| DE (1) | DE69002702T2 (es) |
| DK (1) | DK0404242T3 (es) |
| ES (1) | ES2043254T3 (es) |
| IT (1) | IT1237486B (es) |
| MX (1) | MX172748B (es) |
| NO (1) | NO300345B1 (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2689632B1 (fr) * | 1992-04-02 | 1997-09-19 | Thomson Csf | Detecteur a fibre optique de contraintes. |
| WO1996031756A1 (en) * | 1995-04-04 | 1996-10-10 | Cambridge University Technical Services Limited | Optical fibre sensor |
| US5892860A (en) * | 1997-01-21 | 1999-04-06 | Cidra Corporation | Multi-parameter fiber optic sensor for use in harsh environments |
| US6016702A (en) * | 1997-09-08 | 2000-01-25 | Cidra Corporation | High sensitivity fiber optic pressure sensor for use in harsh environments |
| DE19905687A1 (de) * | 1999-02-11 | 2000-09-07 | Deha Ankersysteme | Vorrichtung zur Bestimmung der Biegebeanspruchung von Bauteilen |
| CA2312237A1 (en) * | 2000-06-23 | 2001-12-23 | Erick Girouard | Pressure regulator |
| DE102006059439B4 (de) * | 2006-12-15 | 2018-01-25 | Prüftechnik Dieter Busch AG | Verfahren und Vorrichtung zur dynamischen Messung der axialen Deformation einer rotierenden Hohlwelle |
| EP2166328A1 (en) | 2008-09-22 | 2010-03-24 | Universita' degli studi di Bari | System for optical fiber strain measure |
| JP5619571B2 (ja) * | 2010-11-05 | 2014-11-05 | 三菱重工業株式会社 | ライザー管及びライザー管の応答分布計測システム |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0278143B1 (en) * | 1987-02-13 | 1991-07-31 | G2 SYSTEMS CORPORATION (a California corporation) | Structural monitoring system using fiber optics |
| GB2136113B (en) * | 1983-03-05 | 1986-08-06 | Plessey Co Plc | Improvements relating to optical sensing systems |
| CH659131A5 (it) * | 1983-07-28 | 1986-12-31 | Cise Spa | Rivelatore di tipo interferometrico con sensore a fibra ottica. |
| GB2147759B (en) * | 1983-08-24 | 1987-04-15 | Plessey Co Plc | Optical sensor |
| US4788868A (en) * | 1986-03-27 | 1988-12-06 | The Charles Stark Draper Laboratory, Inc. | Strain measurement apparatus and method |
-
1989
- 1989-06-23 IT IT8920963A patent/IT1237486B/it active
-
1990
- 1990-06-18 DK DK90201570.0T patent/DK0404242T3/da active
- 1990-06-18 ES ES90201570T patent/ES2043254T3/es not_active Expired - Lifetime
- 1990-06-18 DE DE90201570T patent/DE69002702T2/de not_active Expired - Fee Related
- 1990-06-18 EP EP90201570A patent/EP0404242B1/en not_active Expired - Lifetime
- 1990-06-21 NO NO902763A patent/NO300345B1/no not_active IP Right Cessation
- 1990-06-22 MX MX021301A patent/MX172748B/es unknown
- 1990-06-22 BR BR909003105A patent/BR9003105A/pt not_active IP Right Cessation
- 1990-06-22 JP JP2163022A patent/JP3057322B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BR9003105A (pt) | 1991-08-27 |
| NO902763D0 (no) | 1990-06-21 |
| DE69002702D1 (de) | 1993-09-16 |
| NO902763L (no) | 1990-12-27 |
| ES2043254T3 (es) | 1993-12-16 |
| JP3057322B2 (ja) | 2000-06-26 |
| IT8920963A0 (it) | 1989-06-23 |
| DE69002702T2 (de) | 1994-03-10 |
| DK0404242T3 (da) | 1993-10-25 |
| JPH0354427A (ja) | 1991-03-08 |
| EP0404242B1 (en) | 1993-08-11 |
| EP0404242A1 (en) | 1990-12-27 |
| IT1237486B (it) | 1993-06-07 |
| MX172748B (es) | 1994-01-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN DECEMBER 2001 |