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整机产品失效机理危害度定量分析方法

袁宏杰 张泽 吴浩

袁宏杰, 张泽, 吴浩等 . 整机产品失效机理危害度定量分析方法[J]. 北京航空航天大学学报, 2013, 39(9): 1208-1211.
引用本文: 袁宏杰, 张泽, 吴浩等 . 整机产品失效机理危害度定量分析方法[J]. 北京航空航天大学学报, 2013, 39(9): 1208-1211.
Yuan Hongjie, Zhang Ze, Wu Haoet al. Quantitative analysis method for mechanism severity of whole product[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1208-1211. (in Chinese)
Citation: Yuan Hongjie, Zhang Ze, Wu Haoet al. Quantitative analysis method for mechanism severity of whole product[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1208-1211. (in Chinese)

整机产品失效机理危害度定量分析方法

详细信息
    作者简介:

    袁宏杰(1970-),男,河北阜城人,高级工程师,yuanhongjie@buaa.edu.cn.

  • 中图分类号: TP202+.1

Quantitative analysis method for mechanism severity of whole product

  • 摘要: 针对整机产品失效机理多而复杂、失效数据少、主失效机理分析为定性方法的现状,提出了一种基于Bayes的失效机理危害度定量分析方法.首先利用Dirichlet分布描述产品的先验信息,结合现场失效数据确定失效频率的Bayes后验分布函数,然后通过Slice抽样方法获得失效频率的满条件分布,进而利用Gibbs抽样得到其Bayes估计,从而实现了各失效机理的定量分析.最后在某型光纤连接器失效机理已分析清楚的前提下,分别用FMMEA(Failure Modes,Mechanisms and Effects Analysis)及Bayes方法确定了其主失效机理,结果表明基于Bayes的失效机理危害度定量分析方法考虑了现场未出现的失效机理危害度,其确定的主失效机理比FMMEA结果更具有可信度.

     

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出版历程
  • 收稿日期:  2012-10-18
  • 网络出版日期:  2013-09-30

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