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An optical sensor for the identification of low adhesion in the wheel rail contact
Machine Design, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden.
Machine Design, KTH Royal Institute of Technology, SE-10044 Stockholm, Sweden.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Strömningslära och experimentell mekanik.
Optical sensors.
Vise andre og tillknytning
2012 (engelsk)Inngår i: 9th International Conference on Contact Mechanics and Wear of Rail/Wheel Systems: CM2012, 27-30 August 2012, Chengdu, China : proceedings, Chengdu: State Key Laboratory of Traction Power (TPL), Southwest Jiaotong University , 2012, s. 318-323Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Low adhesion between railway wheel and rail, which is usually induced by contaminants such as water, oil, leaves etc., affects railway operation in terms of performance and safety. This study uses an optical sensor to identify different surface layers which cause low adhesion. A laboratory set up and field tests under various conditions were subject to the surface layer identification by the optical sensor. In addition, the friction coefficient was measured on the same surface layers. The results show that the sensor can distinguish between different surface layers. This information further linked to the levels of the friction coefficient, which can be used in the prediction system for the railway operator.

sted, utgiver, år, opplag, sider
Chengdu: State Key Laboratory of Traction Power (TPL), Southwest Jiaotong University , 2012. s. 318-323
HSV kategori
Forskningsprogram
Experimentell mekanik
Identifikatorer
URN: urn:nbn:se:ltu:diva-31021Lokal ID: 50eee71b-f168-4afc-bc14-3c6ce65b1114OAI: oai:DiVA.org:ltu-31021DiVA, id: diva2:1004250
Konferanse
International Conference on Contact Mechanics and Wear of Rail/Wheel Systems : 27/08/2012 - 30/08/2012
Merknad
Godkänd; 2012; 20140923 (andbra)Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2017-11-25bibliografisk kontrollert

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