基于Dirichlet先验分布的Bayes二项可靠性增长方法

来源 :系统工程理论与实践 | 被引量 : 0次 | 上传用户：darkelf696

【摘要】

：

由于产品系统的复杂性和试验的高费用，并且产品的可靠性增长试验往往基于小样本，因此解决小样本问题在可靠性增长试验中也是非常重要的．借助Bayes理论，假设先验分布为Dirichlet分

【作者】

：

喻天翔宋笔锋冯蕴文

【机构】

：

西北工业大学航空学院

【出处】

：

系统工程理论与实践

【发表日期】

：

2006年1期

【关键词】

：

可靠性增长模型 Bayesian方法 Dirichlet分布小子样 MCMC方法

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

由于产品系统的复杂性和试验的高费用，并且产品的可靠性增长试验往往基于小样本，因此解决小样本问题在可靠性增长试验中也是非常重要的．借助Bayes理论，假设先验分布为Dirichlet分布，解决二项可靠性增长问题，能够充分借助先验分布和试验数据更合理估算出外场可靠性．同时在后验分布的计算上，利用Gibbs抽样的Markov Chain Morite Carlo（MCMC）方法仿真后验分布的计算．和传统的二项式Baye8方法进行比较，利用以Dirichlet分布为先验分布的Bayes方法非常适合阶段性可靠性增长

其他文献

Evidence of spin density wave of CeOs4Sb12

Elastic neutron diffraction measurements were performed on single crystals to study the ground state below the mysterious exotic transition temperature 0.86 K.

期刊

elastic neutron scatteringskutterudite structureantiferromagnetic orderingspi

UNCONVENTIONAL HAMILTON-TYPE VARIATIONAL PRINCIPLES FOR DYNAMICS OF REISSNER SANDWICH PLATE

According to the basic idea of classical yin-yang complementarity and modern dual-complementarity, in a simple and unified way proposed by Luo(1987), some uncon

期刊

unconventional Hamilton-type variational principleReissner sandwich platedynam

A FINITE DIFFERENCE METHOD FOR SIMULATING TRANSVERSE VIBRATIONS OF AN AXIALLY MOVING VISCOELASTIC ST

A finite difference method is presented to simulate transverse vibrations of an axially moving string. By discretizing the governing equation and the equation o

期刊

axially moving stringstransverse vibrationviscoelasticfinite differencealter

Synthesis of hexagonal barium ferrite nanoparticle by sol-gel method

M-type Ba hexaferrites were successfully synthesized by sol-gel method. Several synthesizing factors, such as pH value, citric acid/metal ion ratio, and dispers

期刊

sol-gel methodM-type hexagonal ferritespreparation condition

Growth of high-quality thick GaN using a tungsten interlayer

A high-quality GaN film was (W-GaN) grown by hydride vapor phase epitaxy (HVPE) on metalorganic chemical vapor deposition (MOCVD) GaN templates with a tungsten

期刊

GaNtungsten interlayerHVPEHRXRD

Analysis on cohesive crack opening displacement considering the strain softening effect

In order to investigate the crack propagation in quasi-brittle materials like rock, ceramic and concrete, Hillerborg and his co-researchers abstracted the fract

期刊

cohesive cracksofteningdissipation workvariation approach

Study on adhesion and electro-optical properties of ITO films on flexible PET substrate

High-quality ITO films on flexible PET substrate were prepared by RF magnetron sputtering at low deposition temperature with different Ar gas sputtering pressur

期刊

ITO filmsadhesionresistivity

Radiobiological response of human hepatoma and normal liver cells exposed to carbon ions generated b

Human hepatoma and normal liver cells were irradiated with 12C6+ ion beams (LET = 96.05 keV/μm) and γ-rays at Heavy Ion Research Facility in Lanzhou (HIRFL).

期刊

biological responsetumor cellnormal cellheavy ion HIRFL

BOUNDARY CONTROL OF MKDV-BURGERS EQUATION

The boundary control of MKdV-Burgers equation was considered by feedback control on the domain [0,1]. The existence of the solution of MKdV-Burgers equation wit

期刊

boundary controlfeedback control lawMKdV-Burgers equation

基于Dirichlet先验分布的Bayes二项可靠性增长方法

与本文相关的学术论文