Reliability Assessment of Gamma Deteriorating System Based on Bayesian Updating

被引:0
作者
Guo, Bo [1 ]
Tan, Lin [1 ]
机构
[1] Natl Univ Def Technol, Sch Informat Syst & Management, Changsha, Hunan, Peoples R China
来源
PROCEEDINGS OF 2009 8TH INTERNATIONAL CONFERENCE ON RELIABILITY, MAINTAINABILITY AND SAFETY, VOLS I AND II: HIGHLY RELIABLE, EASY TO MAINTAIN AND READY TO SUPPORT | 2009年
关键词
reliability assessment; performance degradation; Gamma process; Bayesian updating; TO-FAILURE DISTRIBUTION; DEGRADATION MODEL; TIME;
D O I
暂无
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
Degradation data can provide with useful information about the reliability assessment for highly reliable products, In this paper, a method based on performance degradation data is proposed to assess reliability of high reliable long life time products. The degradation process can be described as a gamma process, and then reliability can be assessed based on analysis on failure physical mechanism. In order to adjust the degradation modeling according to the actual inspection results, a Bayesian updating method to improve the lifetime distribution is also proposed. Finally, a numerical example is given to illustrate the efficiency of the proposed method. The results presented in the case study show that the updating model can describe the degradation characteristics more accurate than the original one.
引用
收藏
页码:429 / 432
页数:4
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