正态型部件的参数估计方法研究  

Parameter Estimation Method for Normal Type Components

作　　者：陆洪武 邵松世[2] 

机构地区：[1]海军装备部信息系统局,北京100000 [2]海军工程大学科研部,武汉430033

出　　处：《舰船电子工程》2016年第7期146-149,共4页Ship Electronic Engineering

摘　　要：针对正态型部件的参数估计问题,在极大似然估计和Bayes估计的一般计算方法基础上,结合装备使用数据给出了正态分布两种参数估计方法的计算流程,重点分析了只有一个失效数据情况下Bayes估计方法计算的准确性和先验信息对计算结果的影响,并研究了多个失效数据情况下的处理方法。通过算例分析,说明了Bayes估计对正态型部件参数估计的准确性和适用性。For the problem of the parameter estimation for normal type components,the calculation process of methods of maximum likelihood estimation and Bayes estimation is proposed according to the equipment data based on the general method of two parameter estimation.The accuracy of Bayes estimation and the influence of priori information on calculation results is analyzed with only one failure data,and the processing method is also researched with the multiple failure data.The accuracy and applicability of the Bayes estimation for the parameter estimation of normal components are illustrated by an example analysis.

关 键 词：正态型部件 极大似然估计 BAYES估计 先验信息 参数估计 

分 类 号：O211.67[理学—概率论与数理统计]