DE69002702D1 - Verfahren und geraet, basierend auf faseroptischen interferometersensoren, zur analysierung der dynamischen entstellung einer struktur oder ihrer komponenten. - Google Patents
Verfahren und geraet, basierend auf faseroptischen interferometersensoren, zur analysierung der dynamischen entstellung einer struktur oder ihrer komponenten.Info
- Publication number
- DE69002702D1 DE69002702D1 DE9090201570T DE69002702T DE69002702D1 DE 69002702 D1 DE69002702 D1 DE 69002702D1 DE 9090201570 T DE9090201570 T DE 9090201570T DE 69002702 T DE69002702 T DE 69002702T DE 69002702 D1 DE69002702 D1 DE 69002702D1
- Authority
- DE
- Germany
- Prior art keywords
- analyzing
- components
- fiber optical
- optical interferometer
- dynamic definition
- 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
Links
- 230000003287 optical effect Effects 0.000 title 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
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 (2)
Publication Number | Publication Date |
---|---|
DE69002702D1 true DE69002702D1 (de) | 1993-09-16 |
DE69002702T2 DE69002702T2 (de) | 1994-03-10 |
Family
ID=11174691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE90201570T Expired - Fee Related DE69002702T2 (de) | 1989-06-23 | 1990-06-18 | Verfahren und Gerät, basierend auf faseroptischen Interferometersensoren, zur Analysierung der dynamischen Entstellung einer Struktur oder ihrer Komponenten. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0404242B1 (de) |
JP (1) | JP3057322B2 (de) |
BR (1) | BR9003105A (de) |
DE (1) | DE69002702T2 (de) |
DK (1) | DK0404242T3 (de) |
ES (1) | ES2043254T3 (de) |
IT (1) | IT1237486B (de) |
MX (1) | MX172748B (de) |
NO (1) | NO300345B1 (de) |
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 (de) | 2008-09-22 | 2010-03-24 | Universita' degli studi di Bari | System zur Glasfaser-Beanspruchungsmessung |
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 (de) * | 1987-02-13 | 1991-07-31 | G2 SYSTEMS CORPORATION (a California corporation) | Faseroptisches Bau-Überwachungssystem |
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 ES ES90201570T patent/ES2043254T3/es not_active Expired - Lifetime
- 1990-06-18 EP EP90201570A patent/EP0404242B1/de not_active Expired - Lifetime
- 1990-06-18 DK DK90201570.0T patent/DK0404242T3/da active
- 1990-06-18 DE DE90201570T patent/DE69002702T2/de not_active Expired - Fee Related
- 1990-06-21 NO NO902763A patent/NO300345B1/no not_active IP Right Cessation
- 1990-06-22 JP JP2163022A patent/JP3057322B2/ja not_active Expired - Lifetime
- 1990-06-22 BR BR909003105A patent/BR9003105A/pt not_active IP Right Cessation
- 1990-06-22 MX MX021301A patent/MX172748B/es unknown
Also Published As
Publication number | Publication date |
---|---|
MX172748B (es) | 1994-01-10 |
DE69002702T2 (de) | 1994-03-10 |
IT8920963A0 (it) | 1989-06-23 |
EP0404242B1 (de) | 1993-08-11 |
JP3057322B2 (ja) | 2000-06-26 |
DK0404242T3 (da) | 1993-10-25 |
EP0404242A1 (de) | 1990-12-27 |
JPH0354427A (ja) | 1991-03-08 |
BR9003105A (pt) | 1991-08-27 |
IT1237486B (it) | 1993-06-07 |
NO300345B1 (no) | 1997-05-12 |
ES2043254T3 (es) | 1993-12-16 |
NO902763L (no) | 1990-12-27 |
NO902763D0 (no) | 1990-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |