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Bayesian survival analysis in reliability for complex system with a cure fraction
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- Lin, Jing (author)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Nordenvaad, Magnus Lundberg (author)
- Luleå tekniska universitet,Signaler och system
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- Zhu, Huiming (author)
- College of Business Administration, Hunan University
- (creator_code:org_t)
- 2011
- 2011
- English.
- In: International Journal of Performability Engineering. - 0973-1318. ; 7:2, s. 109-120
- Journal article (peer-reviewed)
Abstract
Subject headings
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- In traditional methods for reliability analysis, one complex system is often considered as being composed by some subsystems in series. Usually, the failure of any subsystem would be supposed to lead to the failure of the entire system. However, some subsystems' lifetimes are long enough and even never fail during the life cycle of the entire system. Moreover, such subsystems' lifetimes will not be influenced equally under different circumstances. In practice, such interferences will affect the model's accuracy, but it is seldom considered in traditional analysis. To address these shortcomings, this paper presents a new approach to do reliability analysis for complex systems. Here a certain fraction of the subsystems is defined as a "cure fraction" under the consideration that such subsystems' lifetimes are long enough and even never fail during the life cycle of the entire system. By introducing environmental covariates and the joint power prior, the proposed model is developed within the Bayesian survival analysis framework, and thus the problem for censored (or truncated) data in reliability tests can be resolved. In addition, a Markov chain Monte Carlo computational scheme is implemented and a numeric example is discussed to demonstrate the proposed model
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Annan samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Other Civil Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Keyword
- Drift och underhållsteknik
- Operation and Maintenance
- Signalbehandling
- Signal Processing
Publication and Content Type
- ref (subject category)
- art (subject category)
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