Fiber Optic Sensors in Structural Health Monitoring

Structural Health Monitoring (SHM) can be understood as the integration of sensing and intelligence to enable the structure loading and damage-provoking conditions to be recorded, analyzed, localized, and predicted in such a way that nondestructive testing becomes an integral part of them. In additi...

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Vydáno v:Journal of lightwave technology Ročník 29; číslo 4; s. 587 - 608
Hlavní autoři: Lopez-Higuera, J M, Rodriguez Cobo, Luis, Quintela Incera, Antonio, Cobo, A
Médium: Journal Article Konferenční příspěvek
Jazyk:angličtina
Vydáno: New York, NY IEEE 15.02.2011
Institute of Electrical and Electronics Engineers
Témata:
Applied sciences
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fiber-optic instruments
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Integrated optics. Optical fibers and wave guides
OFS applications
OFS market
Optical and optoelectronic circuits
Optical fiber sensors
Optical fiber sensors (OFS)
Optical fibers
Optical instruments, equipment and techniques
optical transducers
Optical variables measurement
Optoelectronic devices
Physics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
SHM and OFS challenges
structural health monitoring (SHM)
Temperature measurement
Integrated optics
optical transducers
Background
Optical sensor
SHM and OFS challenges
Optical frequency
Fiber optic sensors
Fiber optics
OFS applications
Optical fiber sensors (OFS)
Transducer
Oil industry
Frequency shift
OFS market
structural health monitoring (SHM)
Localization
Non destructive test
Civil engineering
Monitoring
Damaging
Optical fiber
ISSN:0733-8724, 1558-2213
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Popis
Shrnutí:Structural Health Monitoring (SHM) can be understood as the integration of sensing and intelligence to enable the structure loading and damage-provoking conditions to be recorded, analyzed, localized, and predicted in such a way that nondestructive testing becomes an integral part of them. In addition, SHM systems can include actuation devices to take proper reaction or correction actions. SHM sensing requirements are very well suited for the application of optical fiber sensors (OFS), in particular, to provide integrated, quasi-distributed or fully distributed technologies. In this tutorial, after a brief introduction of the basic SHM concepts, the main fiber optic techniques available for this application are reviewed, emphasizing the four most successful ones. Then, several examples of the use of OFS in real structures are also addressed, including those from the renewable energy, transportation, civil engineering and the oil and gas industry sectors. Finally, the most relevant current technical challenges and the key sector markets are identified. This paper provides a tutorial introduction, a comprehensive background on this subject and also a forecast of the future of OFS for SHM. In addition, some of the challenges to be faced in the near future are addressed.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2011.2106479