Bragg grating-based fibre optic sensors in structural health monitoring

被引:59
|
作者
Todd, Michael D.
Nichols, Jonathan M.
Trickey, Stephen T.
Seaver, Mark
Nichols, Christy J.
Virgin, Lawrence N.
机构
[1] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA
[2] USN, Res Lab, Washington, DC 20375 USA
[3] Duke Univ, Dept Mech Engn & Mat Sci, Durham, NC 27708 USA
关键词
fibre optics; Bragg gratings; strain measurements; structural health monitoring;
D O I
10.1098/rsta.2006.1937
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
This work first considers a review of the dominant current methods for fibre Bragg grating wavelength interrogation. These methods include WDM interferometry, tunable filter ( both Fabry Perot and acousto-optic) demultiplexing, CCD/prism technique and a newer hybrid method utilizing Fabry - Perot and interferometric techniques. Two applications using these techniques are described: hull loads monitoring on an all-composite fast patrol boat and bolt pre-load loss monitoring in a composite beam in conjunction with a state-space modelling data analysis technique.
引用
收藏
页码:317 / 343
页数:27
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