Stochastic Models in Reliability Engineering

11 Early Warning Strategy of Sparse Failures for Highly Reliable Products Based on the Bayesian Method

Shirong Zhou , Yincai Tang , Ancha Xu, and Yongqiang Lian

DOI: 10.4324/9780429331527-11

Contents

• 11.1 Introduction
• 11.2 Modelling
  • 11.2.1 Dirichlet-Multinomial Model
  • 11.2.2 Beta-Binomial Model
• 11.3 Early Warning Framework
• 11.4 Case Study
• 11.5 Conclusion
• Acknowledgement
• References

11.1 Introduction

The early warning strategy refers to the analysis of information and data from various sources, conducted by the quality department in the entire life cycle of the product. Here we mean ‘early’ by all the stages before the manufactured products go into the market. Then, according to the degree of risk, different levels of early warning will ...