Acceleration sensor technology for rail track asset condition monitoring

Research output: Contribution to journalArticleResearchpeer-review

  • 2 Citations

Abstract

In the rail traffic industry, the utilisation of inexpensive real-time sensors and the industrial internet of things for proactive asset management is a relatively new concept with great potential. As railways are one of the longest-lasting infrastructure assets, even marginal efficiency and cost gains have a significant impact on the life-cycle cost. This paper shows how wireless three-dimensional acceleration sensor technology can be applied to monitor track condition. The data collection was carried out in October 2016 on a railway line operated by Finnish Railways. In the test, a sensor was attached to a train unit and the acceleration of the train on a track segment was repeatedly measured at variable speeds. The collected data set was enhanced using map-matching and Bayesian filtering in order to improve the Global Positioning System location accuracy of the data. The filtered acceleration signals were analysed, and detected anomalies were compared against known parameters such as bridges and switches. The results of the testing support the feasibility of the concept. Finally, the implications of the concept regarding proactive asset management of track networks and statistical process control-based monitoring of tracks’ condition are discussed.

LanguageEnglish
Pages32-40
Number of pages9
JournalProceedings of Institution of Civil Engineers: Management, Procurement and Law
Volume171
Issue number1
DOIs
Publication statusPublished - 5 Feb 2018

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Railroad tracks
Condition monitoring
Rails
Asset management
Sensors
Statistical process control
Global positioning system
Costs
Life cycle
Switches
Monitoring
Testing
Rail
Assets
Railway
Sensor
Industry
Train

Keywords

  • Information technology/maintenance & inspection/railway systems

Cite this

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title = "Acceleration sensor technology for rail track asset condition monitoring",
abstract = "In the rail traffic industry, the utilisation of inexpensive real-time sensors and the industrial internet of things for proactive asset management is a relatively new concept with great potential. As railways are one of the longest-lasting infrastructure assets, even marginal efficiency and cost gains have a significant impact on the life-cycle cost. This paper shows how wireless three-dimensional acceleration sensor technology can be applied to monitor track condition. The data collection was carried out in October 2016 on a railway line operated by Finnish Railways. In the test, a sensor was attached to a train unit and the acceleration of the train on a track segment was repeatedly measured at variable speeds. The collected data set was enhanced using map-matching and Bayesian filtering in order to improve the Global Positioning System location accuracy of the data. The filtered acceleration signals were analysed, and detected anomalies were compared against known parameters such as bridges and switches. The results of the testing support the feasibility of the concept. Finally, the implications of the concept regarding proactive asset management of track networks and statistical process control-based monitoring of tracks’ condition are discussed.",
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Acceleration sensor technology for rail track asset condition monitoring. / Känsälä, Klaus; Rantala, Seppo; Kauppila, Osmo; Leviäkangas, Pekka.

In: Proceedings of Institution of Civil Engineers: Management, Procurement and Law, Vol. 171, No. 1, 05.02.2018, p. 32-40.

Research output: Contribution to journalArticleResearchpeer-review

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