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Civil-Comp Conferences
ISSN 2753-3239 CCC: 1
PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON RAILWAY TECHNOLOGY: RESEARCH, DEVELOPMENT AND MAINTENANCE Edited by: J. Pombo
Paper 10.10
Modelling of an Accurate Positioning System Using RFID Technology for Enhanced Railway Track Maintenance O. Olaby1, M. Samra2, M. Hamadache1 and R. Dixon1
1Birmingham Centre for Railway Research and Education, University of Birmingham, United Kingdom O. Olaby, M. Samra, M. Hamadache, R. Dixon, "Modelling of an Accurate Positioning System
Using RFID Technology
for Enhanced Railway Track Maintenance", in J. Pombo, (Editor), "Proceedings of the Fifth International Conference on Railway Technology: Research, Development and Maintenance",
Civil-Comp Press, Edinburgh, UK,
Online volume: CCC 1, Paper 10.10, 2022, doi:10.4203/ccc.1.10.10
Keywords: railway, track switch and crossing, RFID technology, positioning
system.
Abstract
This paper focuses on modelling a new positioning system that aims to locate the
Track Recording Vehicle (TRV), in reference to the locations of the switch and
crossing (S&C) using RFID technology. The paper details the models of the three
subsystems that constitute the whole proposed positioning system, developed using
the Systems Modelling Language (SysML™), and their internal and external
interactions as part of the railway network. The idea is to install two RFID tags for
each switching and crossing node, one on the switch-toe sleeper and the second will
be on the crossing-nose sleeper. Whereas the RFID reader is expected to be mounted
underneath the TRV vehicle. Thus, the key features of the S&C, the switch toe and
crossing nose, will be considered as a definitive reference point for the inspection
vehicle’s position. When the TRV passes over an S&C, the positioning system will
provide information about the S&C’s ID, which is stored inside the RFID tags and
will indicate the S&C’s GPS coordinates. The new methodology is expected to be
adopted by a digital asset management system that locates faulty infrastructure,
especially the S&C units, more accurately which allows for enhanced maintenance
practice.
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