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Sensors 2015, 15(8), 20115-20139; doi:10.3390/s150820115

Review of Trackside Monitoring Solutions: From Strain Gages to Optical Fibre Sensors

1
Department of Theoretical Mechanics, Dynamics and Vibrations, University of Mons—UMONS, Faculty of Engineering, Place du Parc 20, B-7000 Mons, Belgium
2
Department of Electromagnetism and Telecommunications, University of Mons—UMONS, Faculty of Engineering, Place du Parc 20, B-7000 Mons, Belgium
*
Author to whom correspondence should be addressed.
Academic Editors: Gary R. Pickrell and Daniel Homa
Received: 9 June 2015 / Revised: 4 August 2015 / Accepted: 11 August 2015 / Published: 14 August 2015
(This article belongs to the Special Issue Optical Sensors for Chemical, Biological and Industrial Applications)
View Full-Text   |   Download PDF [1095 KB, uploaded 14 August 2015]   |  

Abstract

A review of recent research on structural monitoring in railway industry is proposed in this paper, with a special focus on stress-based solutions. After a brief analysis of the mechanical behaviour of ballasted railway tracks, an overview of the most common monitoring techniques is presented. A special attention is paid on strain gages and accelerometers for which the accurate mounting position on the track is requisite. These types of solution are then compared to another modern approach based on the use of optical fibres. Besides, an in-depth discussion is made on the evolution of numerical models that investigate the interaction between railway vehicles and tracks. These models are used to validate experimental devices and to predict the best location(s) of the sensors. It is hoped that this review article will stimulate further research activities in this continuously expanding field. View Full-Text
Keywords: track safety; strain gage; optical fibre-based sensor; structural health monitoring; strain measurement; track deflection; rail diagnosis; real-time monitoring track safety; strain gage; optical fibre-based sensor; structural health monitoring; strain measurement; track deflection; rail diagnosis; real-time monitoring
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Kouroussis, G.; Caucheteur, C.; Kinet, D.; Alexandrou, G.; Verlinden, O.; Moeyaert, V. Review of Trackside Monitoring Solutions: From Strain Gages to Optical Fibre Sensors. Sensors 2015, 15, 20115-20139.

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