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Control Charts supporting Condition-Based Maintenance of Linear Railway Infrastructure Assets
Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, Industriell Ekonomi.ORCID-id: 0000-0003-3911-8009
Swedish Transport Administration, Sweden.ORCID-id: 0000-0002-6479-9101
2015 (svensk)Inngår i: International Journal of COMADEM, ISSN 1363-7681, Vol. 18, nr 2, s. 7-16Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This paper presents a control chart approach for monitoring, diagnostics and prognostics to support condition-based maintenance (CBM) using condition data of linear railway infrastructure assets. The condition data were obtained from regular inspections done by a railway track measurement wagon. The condition data were statistically analysed by using two different control charts to evaluate the possibility for earlier detection of derailment hazardous faults using both temporal and spatial information.The study indicates that that the proposed control chart approach can be used for condition assessment of track and thereby provides valuable decision support for CBM. The control chart for condition information in the temporal domain supports diagnostics, while the control chart for condition information in the spatiotemporal domain also supports prognostics. The two proposed control charts give earlier fault warnings compared to the traditional approach. This facilitates decisions regarding CBM actions with an extended planning horizon and gives the possibility to increase the operational availability of track.

sted, utgiver, år, opplag, sider
2015. Vol. 18, nr 2, s. 7-16
Emneord [en]
Railway track failure diagnostics, Control charts, Spatiotemporal analysis
HSV kategori
Forskningsprogram
Kvalitetsteknik; Effektiv innovation och organisation (FOI); Hållbara transporter (FOI)
Identifikatorer
URN: urn:nbn:se:ltu:diva-6086Scopus ID: 2-s2.0-84959312086Lokal ID: 447e1133-fd4a-47d2-8042-5925d2cfa553OAI: oai:DiVA.org:ltu-6086DiVA, id: diva2:978963
Prosjekter
Förbättrad tillståndsbedömning genom statistisk analys
Merknad

Validerad; 2015; Nivå 1; 20150330 (bjarne)

Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2023-11-02bibliografisk kontrollert

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Bergquist, BjarneSöderholm, Peter

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