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Proceedings Paper

Cost-effective FBG interrogation combined with cepstral-based signal processing for railway traffic monitoring
Author(s): D. Kinet; G. Kouroussis; J. Dupuy; V. Moeyaert; O. Verlinden; C. Caucheteur
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Paper Abstract

Due to their high mechanical and corrosion resistance, low signal attenuation, optical fiber sensors and more particularly fiber Bragg gratings (FBGs) have demonstrated their high potential in various sensors applications such as health monitoring of structural pieces when their are placed under constrain, vibration or temperature variation. In this paper, we evaluate the capability of a low cost optical fiber Bragg gratings interrogator, based on the edge filter demodulation technique, combined with a cepstral-based signal processing to address three cascaded FBGs along a railway track. We show in real-life conditions that, thanks to this method, it is possible from a noisy measurement to retrieve the speed of the trains.

Paper Details

Date Published: 29 April 2016
PDF: 9 pages
Proc. SPIE 9899, Optical Sensing and Detection IV, 989915 (29 April 2016); doi: 10.1117/12.2227681
Show Author Affiliations
D. Kinet, Univ. de Mons (Belgium)
G. Kouroussis, Univ. de Mons (Belgium)
J. Dupuy, Multitel A.S.B.L. (Belgium)
V. Moeyaert, Univ. de Mons (Belgium)
O. Verlinden, Univ. de Mons (Belgium)
C. Caucheteur, Univ. de Mons (Belgium)


Published in SPIE Proceedings Vol. 9899:
Optical Sensing and Detection IV
Francis Berghmans; Anna G. Mignani, Editor(s)

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