摘要
先验分布的确定是运用Bayes方法进行复杂系统可靠性评估的先决条件。本文研究了利用类似系统的可靠性信息通过加权融合确定先验分布的方法。对Weibull和指数分布模型的可靠性试验结果,给出Bayes方法可靠性计算公式。最后给出的一个实例表明,该方法计算简便、便于工程应用。
How to acquire proper prior distribution is a key problem in complex system Bayesian reliability evaluation. In this paper, the application of similar system reliability information to system reliability evaluation is studied. By weighting factor, similar system's information was converted to the prior information of a new system. The reliability test data based on Weibull and exponential distribution model is analyzed, and reliability evaluation formula is presented. Finally an example is given to show this method is simple in computation and usable in application.
出处
《航空动力学报》
EI
CAS
CSCD
北大核心
2004年第1期7-11,共5页
Journal of Aerospace Power
