Structure stress localization based on FBG sensor networks

JIN Jing; YE Xiang-yu; LIN Song; LIU Jia

doi:10.13873/j.1000-97872013.07.016

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Structure stress localization based on FBG sensor networks

更新时间：2025-09-11

- Structure stress localization based on FBG sensor networks
- Vol. 32, Issue 7, Pages: 39-41+44(2013)
- 作者机构：
  
  北京航空航天大学仪器科学与光电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872013.07.016
  CLC： TN929.5;TP212.9
- Published：2013
- 稿件说明：
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[1]金靖,叶向宇,林松,刘佳.基于FBG传感器网络的结构应力定位[J].传感器与微系统,2013,32(07):39-41+44.

JIN Jing, YE Xiang-yu, LIN Song, et al. Structure stress localization based on FBG sensor networks[J]. 2013, 32(7): 39-41+44.
[1]金靖,叶向宇,林松,刘佳.基于FBG传感器网络的结构应力定位[J].传感器与微系统,2013,32(07):39-41+44. DOI： 10.13873/j.1000-97872013.07.016.

JIN Jing, YE Xiang-yu, LIN Song, et al. Structure stress localization based on FBG sensor networks[J]. 2013, 32(7): 39-41+44. DOI： 10.13873/j.1000-97872013.07.016.

摘要

工程结构长期受到结构应力的作用

会产生微应变

导致结构的损伤积累和抗力衰减。为对应力进行定位

基于光纤Bragg光栅（FBG）传感器搭建了应力定位系统

通过一种基于参考数据的算法对金属铝板的应力位置进行识别研究。结果表明:该方法具有较高的精度与稳定性

预测误差在厘米量级。

Abstract

Engineering structures undergo high structure stress loading for a long time can produce micro-strain

and results in damage accumulation and resistance decay of structure.To locate stress

a stress localization system based on fiber Bragg grating（FBG）sensors is set up

and by algorithm based on reference data

stress positon on an aluminum alloy plate is identified.The result proves that this method has higher precision and stability

the predicting error is in the order of cm.

关键词

Keywords

references

Experimental investigation of pre-irradiation effect on radiation sensitivity of temperature sensing fiber Bragg gratings [J]. 金靖,林松,宋凝芳. Chinese Physics B . 2012(06)

Hierarchical fiber-optic-based sensing system: impact damage monitoring of large-scaleCFRP structures [J] . Shu Minakuchi,Haruka Tsukamoto,Hidehiko Banshoya,Nobuo Takeda. Smart Materials and Structures . 2011 (8)

Characterization of microscopic damage in composite laminates and real-time monitoring by embedded optical fiber sensors [J] . Nobuo Takeda. International Journal of Fatigue . 2002 (2)

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