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Aerospace 2018, 5(3), 68; https://doi.org/10.3390/aerospace5030068

Use of Cost-Adjusted Importance Measures for Aircraft System Maintenance Optimization

1
Hellenic Ministry of National Defense, 15451 Athens, Greece
2
Department of Mechanical and Aeronautical Engineering, School of Engineering, University of South Wales, Treforest Campus, Treforest CF37 1DL, UK
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 28 May 2018 / Revised: 20 June 2018 / Accepted: 21 June 2018 / Published: 24 June 2018
(This article belongs to the Special Issue Civil and Military Airworthiness: Recent Developments and Challenges)
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Abstract

The development of an aircraft maintenance planning optimization tool and its application to an aircraft component is presented. Various reliability concepts and approaches have been analyzed, together with objective criteria which can be used to optimize the maintenance planning of an aircraft system, subsystem or component. Wolfram® Mathematica v10.3 9 (Witney, UK) has been used to develop the novel optimization tool, the application of which is expected to yield significant benefits in selecting the most appropriate maintenance intervention based on objective criteria, in estimating the probability of nonscheduled maintenance and in estimating the required number of spare components for both scheduled and nonscheduled maintenance. As such, the results of the application of the tool can be used to assist the risk planning process for future system malfunctions, providing safe projections to facilitate the supply chain of the end user of the system, resulting in higher aircraft fleet operational availability. View Full-Text
Keywords: aircraft system; reliability; life cycle cost; maintenance planning optimization; reliability centered maintenance; importance measures aircraft system; reliability; life cycle cost; maintenance planning optimization; reliability centered maintenance; importance measures
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Bozoudis, M.; Lappas, I.; Kottas, A. Use of Cost-Adjusted Importance Measures for Aircraft System Maintenance Optimization. Aerospace 2018, 5, 68.

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