Reliability Evaluation Method Based on Double Beta Prior Distribution for the Pyrotechnic Device

Li Cheng, Yuanyuan Yang, Huina Mu*, Xiaoyu Yang, Li Li, Yuquan Wen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

On the basis of the Bayesian principle, a method of selecting the double beta distribution as a priori distribution is proposed for the system reliability evaluation when the available field test samples are small for pyrotechnic device. Under the condition of different field and historical data, the mean square error (MSE) and coverage ratio (CR) of the reliability evaluation are compared by numerical simulation when the conjugate distribution and uniform distribution are selected as the priori distribution. Finally, the rationality and engineering applicability of the proposed method are verified through an example of the reliability evaluation of a typical pyrotechnic device.

Original languageEnglish
Pages (from-to)622-627
Number of pages6
JournalJournal of Shanghai Jiaotong University (Science)
Volume24
Issue number5
DOIs
Publication statusPublished - 1 Oct 2019

Keywords

  • A
  • Bayesian principle
  • TB 114
  • double beta distribution
  • reliability evaluation

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