基于性能退化数据的零失效可靠性验证方法

项目名称： 基于性能退化数据的零失效可靠性验证方法

项目编号： No.71271212

项目类型： 面上项目

立项/批准年度： 2013

项目学科： 管理科学

项目作者： 孙权

作者单位： 中国人民解放军国防科学技术大学

项目金额： 53万元

中文摘要： 本项目主要针对小子样高可靠长寿命产品，以空间活动部件为背景，研究基于性能退化数据的零失效可靠性验证方法，通过性能退化过程分析与建模，建立空间活动部件退化过程模型，在此基础上，给出不考虑验前信息的额定应力与加速应力下基于性能退化数据的零失效可靠性验证方法，考虑验前信息下基于性能退化数据的零失效可靠性验证方法，并利用这些方法对空间活动部件可靠性验证展开实例研究，从而为小子样高可靠长寿命产品的可靠性验证工作提供理论和技术支撑。

中文关键词： 可靠性；退化；空间部件；Wiener过程；Gamma过程

英文摘要： This project will discuss reliability demonstration of products with the characteristic of small samples, high reliability and long lifetime, like space application rotating parts. Based on the performance degradation data, this project researches the method of zero-failure reliability demonstration, and establishes the model for degradation process of the space application rotating parts through the analysis and modeling of the degradation process. Then the project presents several types of reliability demonstration methods, including zero-failure reliability demonstration based on performance degradation data under normal stress and accelerated stress test without prior information, zero-failure reliability demonstration based on performance degradation data under normal stress test with prior information. At last, this project verifies these proposed methods by reliability demonstration of space application rotating parts, and hopes to support reliability demonstration for products with small sample, high reliability and long lifetime in theory and technique.

英文关键词： reliability；degradation；space components；Wiener process；Gamma process