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Optimum failure management strategy for periodically inspected units with imperfect maintenance
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.ORCID-id: 0000-0002-3266-2434
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Drift, underhåll och akustik.
University of Mons.
Rekke forfattare: 42016 (engelsk)Inngår i: IFAC PAPERSONLINE, ISSN 2405-8963, Vol. 49, nr 12, s. 799-804Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The aim of this paper is to develop a reliability-based cost model for periodically inspected units subject to hidden functions, with imperfect restoration (overhaul) action after a certain number of inspections. In the model, effectiveness of the consecutive restoration actions is considered, and possible alternative maintenance strategies are identified and compared. The method is based on the Total Cost and identifies the optimum interval and frequency of inspections, as well as restoration that minimize the total life cycle cost. In the proposed model, repair due to failures found by inspection is considered as minimal repair, and restoration/overhaul action is considered as normal repair. The result also shows that for a specific value of restoration effectiveness (θ0), when θ> θ0, the behavior of alternatives tends to as-bad-as-old and for θ< θ0 tends to an as-good-as-new. It is also observed that when the cost of accident is high it is needed to perform inspections at smaller intervals.

sted, utgiver, år, opplag, sider
2016. Vol. 49, nr 12, s. 799-804
Emneord [en]
Information technology - Automatic control
Emneord [sv]
Informationsteknik - Reglerteknik
HSV kategori
Forskningsprogram
Drift och underhållsteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-27318DOI: 10.1016/j.ifacol.2016.07.872ISI: 000383468400137Scopus ID: 2-s2.0-84992315757Lokal ID: 0bb5d436-fb92-4d34-a246-eb24ae77d620OAI: oai:DiVA.org:ltu-27318DiVA, id: diva2:1000501
Konferanse
IFAC Conference on Manufacturing Modelling, Management and Control : 28/06/2016 - 30/06/2016
Merknad

Validerad; 2016; Nivå 1; 2016-10-26 (andbra); Konferensartikel i tidskrift

Tilgjengelig fra: 2016-09-30 Laget: 2016-09-30 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Ahmadi, AlirezaSoleimanmeigouni, ImanBlock, Jan

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