Anticipating aging failure using feedback data and expert judgment |
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Authors: | Franois Peres Leïla Bouzaïene Jean-Claude Bocquet Franois Billy Andr Lannoy Philippe Haïk |
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Affiliation: | aEcole Centrale Paris, Laboratoire Génie Industriel, Grande voie des Vignes, 92295 Châtenay-Malabry, France;bEDF-R&D, 6 Quai Watier, 78401 Chatou Cedex, France |
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Abstract: | This paper presents a methodology for anticipating failures in a component up to the end of its life cycle. Often, feedback data is not sufficient and must be complemented by the analysis of expert judgment. The methodology developed aims at anticipating the degradation mechanisms responsible for aging, and evaluating their relevance and related uncertainties. This is necessary information for risk analysis related to the operating of a component up to the end of its life cycle. Lastly, the methodology is applied to a nuclear component. |
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Keywords: | Maintenance Aging Anticipation Potential failures Life cycle management Expert judgment |
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