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Scheduling the repair of aircraft components - a case study

Avelino, C.; Bourne, D.P.; Ferreira, F.; Rasteiro, D.; Santos, J.

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Authors

C. Avelino

D.P. Bourne

F. Ferreira

D. Rasteiro

J. Santos



Abstract

In aircraft components maintenance shops, components are distributed amongst repair groups and their respective technicians based on the type of repair, on the technicians skills and workload, and on the customer required dates. This distribution planning is typically done in an empirical manner based on the group leader’s past experience. Such a procedure does not provide any performance guarantees, leading frequently to undesirable delays on the delivery of the aircraft components. Among others, a fundamental challenge faced by the group leaders is to decide how to distribute the components that arrive without customer required dates. This paper addresses the problems of prioritizing the randomly arriving of aircraft components (with or without pre-assigned customer required dates) and of optimally distributing them amongst the technicians of the repair groups. We proposed a formula for prioritizing the list of repairs, pointing out the importance of selecting good estimators for the interarrival times between repair requests, the turn-around-times and the man hours for repair. In addition, a model for the assignment and scheduling problem is designed and a preliminary algorithm along with a numerical illustration is presented.

Citation

Avelino, C., Bourne, D., Ferreira, F., Rasteiro, D., & Santos, J. (2016). Scheduling the repair of aircraft components - a case study. Mathematics-in-industry case studies, 7(1), Article 5. https://doi.org/10.1186/s40929-016-0007-2

Journal Article Type Article
Acceptance Date May 26, 2016
Online Publication Date Jul 22, 2016
Publication Date Jul 22, 2016
Deposit Date Dec 9, 2016
Publicly Available Date Dec 12, 2016
Journal Mathematics-in-Industry Case Studies
Publisher Springer
Peer Reviewed Peer Reviewed
Volume 7
Issue 1
Article Number 5
DOI https://doi.org/10.1186/s40929-016-0007-2

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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/

Copyright Statement
This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.




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