http://www.cnr.it/ontology/cnr/individuo/prodotto/ID198355

Utility based maintenance analysis using a Random Sign censoring model (Articolo in rivista)

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Utility based maintenance analysis using a Random Sign censoring model (Articolo in rivista) (literal)

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Alternative label

Andres Christen, J.; Ruggeri, Fabrizio; Villa, Enrique (2011)
Utility based maintenance analysis using a Random Sign censoring model
in Reliability engineering & systems safety; ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD, OXON (Regno Unito)
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CIMAT, A.P. 402, Guanajuato, GTO 36000, Mexico; CNR IMATI, Milano, Italy (literal)

Titolo

Utility based maintenance analysis using a Random Sign censoring model (literal)

Abstract

Industrial systems subject to failures are usually inspected when there are evident signs of an imminent failure. Maintenance is therefore performed at a random time, somehow dependent on the failure mechanism. A competing risk model, namely a Random Sign model, is considered to relate failure and maintenance times. We propose a novel Bayesian analysis of the model and apply it to actual data from a water pump in an oil refinery. The design of an optimal maintenance policy is then discussed under a formal decision theoretic approach, analyzing the goodness of the current maintenance policy and making decisions about the optimal maintenance time. (C) 2010 Elsevier Ltd. All rights reserved. (literal)

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