Reliability Estimations for Liquid Rocket Engine Under Asymmetric Loss Function

被引：0

作者：

Zhu Hongbo ^{[1
]}

Kou Zhu ^{[2
]}

Liu Qian ^{[3
]}

机构：

[1] Northwestern Polytech Univ, Sch Marine Engn, Xian, Shaanxi, Peoples R China

[2] Dalian Naval Acad, Dalian, Peoples R China

[3] PLA Border Def Acad Xian, Xian, Shanxi, Peoples R China

来源：

ADVANCES IN DESIGN TECHNOLOGY, VOLS 1 AND 2 | 2012年 / 215-216卷

关键词：

Liquid rocket engine; Entropy loss function; Uniformly minimum variance unbiased estimation(UMVUE); Bayes estimation;

D O I：

10.4028/www.scientific.net/AMM.215-216.889

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Based on asymmetric loss function, the estimations and their properties of liquid rocket engine are discussed. The UMVUE and bayes estimator for some lifetime parameters, reliability and hazard function are obtained under entropy loss function. And we prove the estimations with the form of cT+d are admissible. At last, the statistical performances are compared through the MSE based on Monte Carlo simulation study. According to these comparisons, it is suggested that the empirical bayes estimators have high-precision.

引用

页码：889 / +

页数：2

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