Efficient Bayesian network learning for system optimization in reliability engineering

A. Gruber, I. Ben-Gal

Research output: Contribution to journalArticlepeer-review

Abstract

We present a new Bayesian network modeling that learns the behavior of an unknown system from real data and can be used for reliability engineering and optimization processes in industrial systems. The suggested approach relies on quantitative criteria for addressing the trade-off between the complexity of a learned model and its prediction accuracy. These criteria are based on measures from Information Theory as they predetermine both the accuracy as well as the complexity of the model. We illustrate the proposed method by a classical example of system reliability engineering. Using computer experiments, we show how in a targeted Bayesian network learning, a tremendous reduction in the model complexity can be accomplished, while maintaining most of the essential information for optimizing the system.

Original languageEnglish
Pages (from-to)97-114
Number of pages18
JournalQuality Technology and Quantitative Management
Volume9
Issue number1
DOIs
StatePublished - Mar 2012

Keywords

  • Bayesian networks
  • Differential complexity
  • Mutual information
  • Reliability of complex systems
  • Resources optimization

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