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Proceedings Paper

Towards the simultaneous monitoring of load and damage in aircraft structures using fiber Bragg grating sensors
Author(s): Gaozhi Xiao; Honglei Guo; Nezih Mrad; Bruno Rocha; Zhigang Sun
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Paper Abstract

Load monitoring and damage detection are the two critical aspects of aircraft structural health monitoring (SHM). The load monitoring is achieved by detecting the local strain changes while the damage detection is generally accomplished by the monitoring of acoustic signal changes. It would be ideal that a single sensor can perform both tasks simultaneously. This paper reports the demonstration of using fiber Bragg gratings to monitor load and acoustic signal applied on a simulated aircraft structure. The results clearly show that a single fiber Bragg grating sensor with short grating length has the potential to perform both tasks simultaneously.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421BD (7 November 2012); doi: 10.1117/12.975070
Show Author Affiliations
Gaozhi Xiao, National Research Council Canada (Canada)
Honglei Guo, National Research Council Canada (Canada)
Nezih Mrad, Dept. of National Defence (Canada)
Bruno Rocha, National Research Council Canada (Canada)
Zhigang Sun, National Research Council Canada (Canada)

Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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