机械科学与技术2012，Vol.31Issue(7)：1136-1139,4.
一类外场数据缺失时的部件寿命分布拟合方法
Lifetime Distribution Fitting Method for a Type of Component with Missing Field Data
摘要
Abstract
Field data missing account for mini-repairs in components reliability estimation is usually severe. Aimed to this situation, the mixture-Gamma distribution model is adopted to establish the lifetime distribution model of component, and the parameters are estimated using improved MLE method and Chi-square test. The distribution characteristics are statistically deduced and then a reasonable lifetime distribution is obtained with the analysis of physical failure mechanism of the component.关键词
外场故障数据/缺失/混合Gamma分布/极大似然法Key words
field data/missing data/mixture-gamma distribution model/MLE引用本文复制引用
马欣,刘晓东..一类外场数据缺失时的部件寿命分布拟合方法[J].机械科学与技术,2012,31(7):1136-1139,4.
