摘要
基于屏蔽的系统寿命数据,讨论串联系统中BurrXII部件的可靠性估计问题.利用定数截尾样本,通过Bayes分析方法分别在平方损失、q-对称熵损失、Linex损失以及MLinex损失下给出了部件未知参数、可靠度函数和失效率函数的Bayes估计.最后通过Monte-Carlo方法进行随机模拟,研究截尾数和屏蔽水平对估计效果的影响并对各种估计进行了比较.
The reliability estimations of Burr XII components in series system are discussed based on masked system life data. By utilizing type-II censoring sample, Bayes estimations of the components＇ unknown parameters, reliability functions and failure rate functions are given by Bayesian method using squared error, q-symmetric entropy, Linex and MLinex loss functions, respectively. Finally, through applying Monte-Carlo method to a series of numerical simulations, the influence of the fixed number and masking level on the accuracy of the estimations is investigated, and the estimations are compared.
出处
《工程数学学报》
CSCD
北大核心
2012年第4期625-632,共8页
Chinese Journal of Engineering Mathematics
基金
国家自然科学基金(71171164
70471057)
陕西省教育厅自然科学基金(03JK065)~~
