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Reducing dimensionality of multi-regime data for failure prognostics
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Bektas, Oguz, Alfudail, Amjad and Jones, Jeffrey Alun (2017) Reducing dimensionality of multi-regime data for failure prognostics. Journal of Failure Analysis and Prevention, 17 . pp. 1268-1275. doi:10.1007/s11668-017-0368-2
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Official URL: https://doi.org/10.1007/s11668-017-0368-2
Abstract
Over the last decade, the prognostics and health management literature has introduced many conceptual frameworks for remaining useful life predictions. However, estimating the future behavior of critical machinery systems is a challenging task due to the uncertainties and complexity involved in the multi-dimensional condition monitoring data. Even though many studies have reported promising methods in data processing and dimensionality reduction, the prognostics applications require integration of these methods with remaining useful life estimations. This paper describes a multiple linear regression process that reduces the number of data regimes under consideration by obtaining a set of principal degradation variables. The process also extracts health indicators and useful features. Finally, a state-space model based on frequency-domain data is used to estimate remaining useful life. The presented approach is assessed with a case study on turbofan engine degradation simulation dataset, and the prediction performance is validated by error-based prognostic metrics.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics | ||||||||
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
| Library of Congress Subject Headings (LCSH): | Failure analysis (Engineering), Airplanes -- Turbofan engines | ||||||||
| Journal or Publication Title: | Journal of Failure Analysis and Prevention | ||||||||
| Publisher: | Springer | ||||||||
| ISSN: | 1864-1245 | ||||||||
| Official Date: | 23 October 2017 | ||||||||
| Dates: |
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| Volume: | 17 | ||||||||
| Page Range: | pp. 1268-1275 | ||||||||
| DOI: | 10.1007/s11668-017-0368-2 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Open Access | ||||||||
| Open Access Version: |
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