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复杂系统的Bayes可靠性评估
引用本文:张士峰,樊树江,王慧频.复杂系统的Bayes可靠性评估[J].航天控制,2000,18(2):72-79.
作者姓名:张士峰  樊树江  王慧频
作者单位:张士峰(国防科技大学自动控制系,长沙410073);樊树江(国防科技大学自动控制系,长沙410073);王慧频(国防科技大学自动控制系,长沙410073)
摘    要:讨论了复杂系统的Bayes可靠性评估。首先,对各种不同分布类型的单元进行Bayes可靠性分析;其次利用最大熵方法把单元可靠性信息进行综合,得到系统可靠性的验前分布;最后根据Bayes定理,利用系统可靠性试验信息来更新系统可靠性的验前分布得到系统可靠性的验后分布,依据此验后分布对系统可靠性进行评估。仿真算例说明了评估方法的合理性。

关 键 词:可靠性评价  贝叶斯定理  韦布尔分布
修稿时间:2000-02-01

Bayesian Reliability Assessment for Complex Systems
Zhang Shifeng ,Fan Shujiang ,Wang Huipin.Bayesian Reliability Assessment for Complex Systems[J].Aerospace Control,2000,18(2):72-79.
Authors:Zhang Shifeng  Fan Shujiang  Wang Huipin
Institution:Zhang Shifeng ,Fan Shujiang ,Wang Huipin ;(Department of Automatic Control, National University of Defense Technology, Changsha 410073)
Abstract:Bayesian Reliability assessment for complex systems is discussed in this paper.First, Bayesian reliability analysis for components with various distribution types is studied.Then information of components is integrated using maximun entropy principle, and prior distribution of system reliability is obtained. Finally, prior distribution of system reliability is updated with system reliabdity information according to Bayes theorem to obtain posterior distribution of system distribution on which is based to evaluate system reliability.The results from simulation show the proposed method reasonable.
Keywords:Reliability assessment  Bayes theorem  Weibull distribution
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