Remaining-Useful-Life prognostics for opportunistic grouping of maintenance of landing gear brakes for a fleet of aircraft

J. Lee*, I.I. de Pater, S.A. Boekweit, M.A. Mitici

*Corresponding author for this work

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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Abstract

Several studies have proposed Remaining-Useful-Life (RUL) prognostics for aircraft components in the last years. However, few studies focus on integrating these RUL prognostics into maintenance planning frameworks. This paper proposes an optimization model for opportunistic maintenance scheduling of aircraft components that integrates RUL prognostics and that groups the maintenance of these components to reduce costs. We illustrate our approach for the maintenance of a fleet of aircraft, each equipped with multiple landing
gear brakes. RUL prognostics for the landing gear brakes are obtained using a Bayesian regression model. Based on these RUL prognostics, we group the replacement of brakes using an integer linear program. As a result, we obtain a cost-optimal RUL-driven opportunistic-maintenance schedule for the brakes of a fleet of aircraft. Compared with traditional maintenance strategies, our approach leads to a reduction of up to 20% of the total maintenance costs.
Original languageEnglish
Title of host publicationProceedings of the European Conference of the PHM Society 2022
EditorsPhuc Do, Gabriel Michau, Cordelia Ezhilarasu
Pages278-285
Number of pages8
Volume7
Edition1
ISBN (Electronic)978-1-936263-36-3
DOIs
Publication statusPublished - 2022
EventPHM Society European Conference 2022 - Turin, Italy
Duration: 6 Jul 20228 Jul 2022

Conference

ConferencePHM Society European Conference 2022
Country/TerritoryItaly
CityTurin
Period6/07/228/07/22

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