a bayesian framework for reliability assessment via wiener process and mcmc

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ID: 224975
2014
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Abstract
The population and individual reliability assessment are discussed, and a Bayesian framework is proposed to integrate the population degradation information and individual degradation data. Different from fixed effect Wiener process modeling, the population degradation path is characterized by a random effect Wiener process, and the model can capture sources of uncertainty including unit to unit variation and time correlated structure. Considering that the model is so complicated and analytically intractable, Markov Chain Monte Carlo (MCMC) method is used to estimate the unknown parameters in the population model. To achieve individual reliability assessment, we exploit a Bayesian updating method, by which the unknown parameters are updated iteratively. Based on updated results, the residual use life and reliability evaluation are obtained. A lasers data example is given to demonstrate the usefulness and validity of the proposed model and method.
Reference Key
hao2014mathematicala Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Huibing Hao;Chun Su
Journal journal of power sources
Year 2014
DOI
10.1155/2014/486368
URL
http://dx.doi.org/10.1155/2014/486368
Keywords
civil engineering (general)mathematics engineering (general)

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