相依屏蔽数据串联系统中M-O型部件的可靠性分析
发布时间：2018-09-01 14:10
【摘要】：当串联系统含有屏蔽数据且屏蔽概率与失效部件相关时,研究系统中相依部件分布参数及可靠度函数的估计问题。假设部件寿命服从二元Marshall-Olkin型指数分布,在逐步Ⅱ型截尾下,基于屏蔽数据,推导出部件参数及可靠度函数的极大似然估计。鉴于极大似然估计法在完全屏蔽情形下的局限性,利用贝叶斯方法,在平方损失函数下推导出部件参数和可靠度函数的贝叶斯估计。最后利用Monte-Carlo方法给出数值例子,比较了两种估计结果的优劣;同时研究了屏蔽概率和截尾数对估计结果的影响。结果表明两种估计的精度均随着屏蔽概率的增大而降低,随着截尾数的增大而增高,贝叶斯估计较极大似然估计效果更优。
[Abstract]:When the series system contains shielding data and the shielding probability is related to the failure component, the estimation of the distribution parameters and reliability function of the dependent components in the system is studied. Assuming that the component life suit is distributed from the binary Marshall-Olkin type exponent, the maximum likelihood estimation of component parameters and reliability function is derived based on the shielding data under the stepwise type 鈪，
本文编号：2217443
[Abstract]:When the series system contains shielding data and the shielding probability is related to the failure component, the estimation of the distribution parameters and reliability function of the dependent components in the system is studied. Assuming that the component life suit is distributed from the binary Marshall-Olkin type exponent, the maximum likelihood estimation of component parameters and reliability function is derived based on the shielding data under the stepwise type 鈪，
本文编号：2217443
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