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System Reliability Assessment as Components Undergo Accelerated Testing

by Yuan-yuan Tan, PhD; Xun Chen, Professor; Wei Luo, PhD; Chun-hua Zhang, Associate Professor;

This paper proposes a feasible method to estimate system reliability as the..

  • Filetype: pdf
  • Publish date: 2011-01
  • Keywords:RAMS 2011 Proceedings,Accelerated Life Testing, Bayesian, Monte Carlo Analysis

Downwards Propagating: Bayesian Analysis of Complex on-demand Systems

by Chris Jackson; Ali Mosleh;

A Bayesian approach for inference from multiple overlapping higher level data sets on component failure probabilities within complex on demand systems is presented in this paper...

  • Filetype: pdf
  • Publish date: 2010-01
  • Keywords:RAMS 2010 Proceedings,Integrated Systems Analysis, Bayesian, Reliability Analysis/Allocation/Prediction/Estimation

Qualitative-Quantitative Bayesian Belief Networks for Reliability and Risk Assessment

by Chengdong Wang; Ali Mosleh;

This paper presents an extension of Bayesian belief
networks (BBN) enabling use of both qualitative and

  • Filetype: pdf
  • Publish date: 2010-01
  • Keywords:RAMS 2010 Proceedings,Bayesian, Risk Assessment, Root Cause Analysis

A Parametric Reliability Prediction Tool for Space Applications

by Ogamba, Nkiru Udo

This paper demonstrates several analytical techniques used to predict units (from a group) that are more likely to fail in operation...

  • Filetype: pdf
  • Publish date: 2009-02
  • Keywords:RAMS 2009 Proceedings,Reliability Model, Failure Analysis, Weibull Analysis, Bayesian Analysis

Improving the 1-Parameter Weibull: A Bayesian Approach

by Aron, Alexander; Guo, Huairui; Mettas, Adamantios; Ogden, Doug

In this paper, a Bayesian model, which is an improved approach for the 1-parameter Weibull, is discussed. Recommendations for establishing variability models for the Weibull shape parameter are presented..

  • Filetype: pdf
  • Publish date: 2009-02
  • Keywords:RAMS 2009 Proceedings,Weibull Analysis, Bayesian

Bayesian Reliability Demonstration Test in a Design for Reliability Process

by Jiang, Mingxiao; Dummer, Daniel J.

This paper illustrates how a Bayesian reliability demonstration test (BRDT) approach can be, and sometimes must be, integrated into a Design for Reliability (DFR) process...

  • Filetype: pdf
  • Publish date: 2009-02
  • Keywords:RAMS 2009 Proceedings,Bayesian Analysis, Demonstration Tests, Design Reliability

Bayesian parameter estimation with prior weighting in ALT model

by Voiculescu, Sorin; Guerin, Fabrice

This paper provides an overview of the application of Bayesian inference to accelerated life testing (ALT) models for the concrete case of estimation by Maximum of Aposteriori (MAP) method in the case of constant stress levels...

  • Filetype: pdf
  • Publish date: 2009-02
  • Keywords:RAMS 2009 Proceedings,Bayesian Analysis, Accelerated Life Testing

Concept for the NASA Risk and Reliability Data Collection and Analysis Environment

by Groen, Frank J.; Smith, Curtin Lee

This paper describes the concept of a data collection and analysis environment that is being developed to support the collection, analysis, and distribution of R&M data...

  • Filetype: pdf
  • Publish date: 2009-02
  • Keywords:RAMS 2009 Proceedings,Probabilistic Risk Assessment, Bayesian Analysis, Data Analysis

Process System Fault Source Tracing Based on Bayesian Networks

by Han, Zhong; Gao, Jianmin; Chen, Fumin

Process systems are different from discrete manufacturing systems in that they are composed of many interlocking subsystems that consist of various tightly coupled units..

  • Filetype: pdf
  • Publish date: 2009-02
  • Keywords:RAMS 2009 Proceedings,Bayesian Analysis, Networks, Reliability Model

Improving State-of-the-art Power Plant Availability Using Bayesian Networks

by Luyk, Joel; Rouvroye, Jan L.

This paper proposes the use of Bayesian Networks as an extension of existing methods. Ultimately, the approach described in this paper is directed towards scenario-informed decision making to improve plant availability...

  • Filetype: pdf
  • Publish date: 2009-02
  • Keywords:RAMS 2009 Proceedings,Bayesian Analysis, Networks, Availability Model

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