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An optical sensor for the identification of low adhesion in the wheel–rail contact
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Fluid and Experimental Mechanics.
Machine Design, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden.
Machine Design, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden.
Optical sensors.
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2012 (English)In: The international Journal of railway technology, ISSN 2049-5358, E-ISSN 2053-602X, Vol. 1, no 3, p. 97-110Article in journal (Refereed) Published
Abstract [en]

Low adhesion between railway wheel and rail, usually induced by contaminants such as water, oil, and leaves, affects railway performance and safety. This study uses an optical sensor to identify various surface layers that cause low adhesion. In both a laboratory set-up and field tests under various conditions, the surface layers were identified by the optical sensor; in addition, the friction coefficients for the same surface layers were measured. The results indicate that the sensor can distinguish between different surface layers. This information, together with friction coefficient data, can be used in a prediction system for use by railway operators.

Place, publisher, year, edition, pages
2012. Vol. 1, no 3, p. 97-110
Keywords [en]
Technology - Electrical engineering, electronics and photonics
Keywords [sv]
Optisk sensor, Räls, Is, Löv-halka, Teknikvetenskap - Elektroteknik, elektronik och fotonik
National Category
Applied Mechanics
Research subject
Experimental Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-7557Local ID: 5f1d9a2f-12fe-492e-8e7c-9b861cd2711bOAI: oai:DiVA.org:ltu-7557DiVA, id: diva2:980447
Note
Godkänd; 2012; 20130215 (johcas)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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http://www.saxe-coburg.co.uk/ijrt/

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Casselgren, Johan

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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