Aircraft system-level diagnosis with emphasis on maintenance decisions

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dc.contributor.authorSkliros, Christos
dc.contributor.authorAli, Fakhre
dc.contributor.authorKing, Steve
dc.contributor.authorJennions, Ian
dc.date.accessioned2021-12-07T11:23:10Z
dc.date.available2021-12-07T11:23:10Z
dc.date.issued2021-10-26
dc.description.abstractThis paper proposes a diagnostic technique that can predict component degradation for a number of complex systems. It improves and clarifies the capabilities of a previously proposed diagnostic approach, by identifying the degradation severity of the examined components, and uses a 3D Principal Component Analysis approach to provide an explanation for the observed diagnostic accuracy. The diagnostic results are then used, in a systematic way, to influence maintenance decisions. Having been developed for the Auxiliary Power Unit (APU), the flexibility and power of the diagnostic methodology is shown by applying it to a completely new system, the Environmental Control System (ECS). A major conclusion of this work is that the proposed diagnostic approach is able to correctly predict the health state of two aircraft systems, and potentially many more, even in cases where different fault combinations result in similar fault patterns. Based on the engineering simulation approach verified here, a diagnostic methodology suitable from aircraft conception to retirement is proposed.en_UK
dc.identifier.citationSkliros C, Ali F, King S, Jennions I. (2021) Aircraft system-level diagnosis with emphasis on maintenance decisions. Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability, Volume 236, Issue 6, December 2022, pp. 1057-1077en_UK
dc.identifier.issn1748-006X
dc.identifier.urihttps://doi.org/10.1177/1748006X211054938
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/17316
dc.language.isoenen_UK
dc.publisherSAGEen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectAeronautical asset managementen_UK
dc.subjectaeronautical maintenanceen_UK
dc.subjectaerospace maintenanceen_UK
dc.subjectcondition based maintenanceen_UK
dc.subjectfailure detectionen_UK
dc.subjectfault diagnosticsen_UK
dc.subjectfault isolationen_UK
dc.subjectfault monitoringen_UK
dc.titleAircraft system-level diagnosis with emphasis on maintenance decisionsen_UK
dc.typeArticleen_UK

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