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Verification and utilization of wheel impact detection systems
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.ORCID iD: 0000-0002-6479-9101
2006 (English)In: Condition Monitoring and Diagnostic Engineering Management: COMADEM 2006 ; proceedings of the 19th international congress, Luleºa, Sweden, 12 - 15 June 2006 / [ed] Uday Kumar, Luleå: Luleå tekniska universitet, 2006, p. 667-676Conference paper, Published paper (Refereed)
Abstract [en]

Defective rail wheels can cause severe damages to both track and vehicle components, which in worst case can lead to derailments with extensive losses. Wheel impact detection systems are intended to prevent railway damages and its related losses, through recognition of wheel defects and generation of alarms. At commissioning of a wheel impact detection system in Sweden, the commissioning study showed that the system was reliable, without generating any false alarms. However, during operation some of the system's alarms resulted in No Fault Found (NFF) events at subsequent manual inspections. Hence, a verification study was launched in order to determine if the cause of the NFF events were false alarms generated by the system, or the inability of subsequent manual inspection to replicate the system's test result. The verification study was expected to support an exclusion of the manual inspection, which was perceived to be the cause of the NFF events. However, an exclusion of the manual inspection would require the wheel impact detection system to be highly reliable, since it would be the primary foundation for decisions about both operation and maintenance. This study reports on vital experiences from the verification study and links these to experiences from other countries. The experiences highlight the importance of data accuracy and appropriate information management, in order to achieve the potential benefits and avoid the drawbacks of condition monitoring.

Place, publisher, year, edition, pages
Luleå: Luleå tekniska universitet, 2006. p. 667-676
National Category
Other Civil Engineering
Research subject
Operation and Maintenance
Identifiers
URN: urn:nbn:se:ltu:diva-38009Local ID: c402ee50-9e6a-11db-8975-000ea68e967bISBN: 978-91-631-8806-0 (print)OAI: oai:DiVA.org:ltu-38009DiVA, id: diva2:1011508
Conference
International Congress on Condition Monitoring and Diagnostic Engineering Management : 12/06/2006 - 15/06/2006
Note
Godkänd; 2006; 20070103 (ysko)Available from: 2016-10-03 Created: 2016-10-03 Last updated: 2018-03-16Bibliographically approved

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Granström, RikardSöderholm, Peter

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CiteExportLink to record
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Citation style
  • apa
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