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Optimal maintenance decision for line reparable units (LRU) for an aircraft system: a conceptual approach
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Operation, Maintenance and Acoustics.
2008 (English)In: Quarterly Journal of the Operational Research Society of India (OPSEARCH), ISSN 0030-3887, E-ISSN 0975-0320, Vol. 45, no 3, 291-302 p.Article in journal (Refereed) Published
Abstract [en]

Maintenance decisions concerning repair of the Line Replaceable Unit (LRU) of an aircraft fleet need to be considered carefully while deciding the phasing out of the fleet. This is important for achieving higher degree of cost effectiveness and fleet availability at desired level. Discard rate and phasing out period for an aircraft fleet are the critical parameters for determining optimum time to stop the maintenance of LRU. The economic value of remaining useful life of an aircraft fleet should be taken into consideration by salvaging the LRU at the end of the phasing out. The paper suggests a methodology to arrive the time that will minimize the total life cycle cost and provide us economic basis to withdraw the maintenance resources. A mathematical model has been developed for the discard rate of aircrafts based on failure rate, mission life and remaining useful life of the aircrafts in the fleet. This will assist in fulfilling the managing demand of LRU while phasing out of the aircraft fleet.

Place, publisher, year, edition, pages
2008. Vol. 45, no 3, 291-302 p.
Keyword [en]
Technology - Industrial engineering and economy
Keyword [sv]
Teknikvetenskap - Industriell teknik och ekonomi
Research subject
Operation and Maintenance
URN: urn:nbn:se:ltu:diva-10520Local ID: 95594f30-b232-11dd-9c9d-000ea68e967bOAI: diva2:983465
Validerad; 2008; Bibliografisk uppgift: Spl issue on Reliability and Maintenance; 20081114 (rajdan)Available from: 2016-09-29 Created: 2016-09-29Bibliographically approved

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