Objective bayesian analysis for multiple repairable systems

Amanda M E D’Andrea, Vera L D Tomazella, Hassan M Aljohani, Pedro L Ramos, Marco P Almeida, Francisco Louzada, Bruna A W Verssani, Amanda B Gazon and Ahmed Z Afify

PLOS ONE, 2021, vol. 16, issue 11, 1-19

Abstract: This article focus on the analysis of the reliability of multiple identical systems that can have multiple failures over time. A repairable system is defined as a system that can be restored to operating state in the event of a failure. This work under minimal repair, it is assumed that the failure has a power law intensity and the Bayesian approach is used to estimate the unknown parameters. The Bayesian estimators are obtained using two objective priors know as Jeffreys and reference priors. We proved that obtained reference prior is also a matching prior for both parameters, i.e., the credibility intervals have accurate frequentist coverage, while the Jeffreys prior returns unbiased estimates for the parameters. To illustrate the applicability of our Bayesian estimators, a new data set related to the failures of Brazilian sugar cane harvesters is considered.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0258581

DOI: 10.1371/journal.pone.0258581

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