同济大学学报(自然科学版)2011,Vol.39Issue(4):591-594,619,5.DOI:10.3969/j.issn.0253-374x.2011.04.023
基于PI模型的加速可靠性增长试验统计分析
Statistic Analysis of Accelerated Reliability Growth Testing Based on Proportional Intensity Model
摘要
Abstract
To solve the question of reliability evaluation for accelerated reliability growth testing (ARGT), firstly the test procedure of constant stress ARGT is described. Secondly, by combining proportional intensity model which is a nonparametric statistical regression model for stochastic point process with AMSAA model for reliability growth,assumptions of data analysis are proposed. Then the statistical analysis model of CSARGT is established and the maximum likelihood estimation method of unknown parameters is given.Furthermore, according to characteristic of non-homogeneous poisson process, a simulation sampling formula that can simulate failure data of CSALT is derived, and simulation examples under different stress levels are discussed. Finally the availability and reasonableness of the proposed statistical method are verified.关键词
加速可靠性增长试验/比例强度模型/蒙特卡罗仿真/参数估计Key words
accelerated reliability growth testing/proportional intensity model/ Monte Carlo simulation/parameter estimation分类
通用工业技术引用本文复制引用
罗敏,王立志,姜同敏..基于PI模型的加速可靠性增长试验统计分析[J].同济大学学报(自然科学版),2011,39(4):591-594,619,5.基金项目
"十一五"国防科研项目(2132007B004) (2132007B004)