Paper Title:
Broadband Source-Based Interrogation Scheme of Fiber Bragg Grating Sensors for Structural Health Monitoring
  Abstract

In the present work we report on the development of a low cost interrogation system of fiber Bragg grating sensors for structural health monitoring. The developed scheme uses two gratings and a directional coupler as sensing point, and it includes self-compensation of temperature effects. The reading equipment consists of a standard photodiode for telecom applications with custom signal-conditioning electronics. The characterization of multiplexed sensors, carried out in real framework conditions, shows that the system can work in a temperature range of -20÷+40°C, making strain measurements up to at least 320με with an accuracy of ~3% and an acquisition rate of 12 samples/min. Further, a budget evaluation is drawn to asses the feasibility of our interrogation system as a low cost solution to increase the extent of structural health monitoring in funds-limited applications.

  Info
Periodical
Edited by
L. Garibaldi, C. Surace, K. Holford and W.M. Ostachowicz
Pages
399-404
DOI
10.4028/www.scientific.net/KEM.347.399
Citation
D. Tosi, M. Olivero, G. Perrone, "Broadband Source-Based Interrogation Scheme of Fiber Bragg Grating Sensors for Structural Health Monitoring ", Key Engineering Materials, Vol. 347, pp. 399-404, 2007
Online since
September 2007
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Sergey A. Babin, Alexey G. Kuznetsov, Ivan S. Shelemba
Abstract:Two types of distributed fiber sensor systems for temperature measurements have been developed: the first one is multi-point Fiber Bragg...
309
Authors: Shang Jiang Yu, Ji Xiang Yang, Jin Yang Chen
Chapter 2: Sensors, Measurement and Detection
Abstract:The fiber Bragg grating (FBG) sensor is the most appropriate to measure strain of concrete. Employing a specifically designed FRP package, a...
679
Authors: Wei Li, Yong Jia Zhang, Hong Qiao Wen
Chapter 6: Power Systems, Electronics and Microelectronics, Embedded and Integrated Systems
Abstract:In order to increase the multiplying density of Fiber Bragg Grating (FBG) sensors, a novel FBG Sensing System based on CDMA technology has...
2444