航天器环境工程Issue(6)：668-673,6.DOI:10.3969/j.issn.1673-1379.2015.06.020
基于弱相关界限理论的大型振动试验设备台体系统可靠性分析
Reliability analysis oflarge vibration test equipment platform systembased on weak correlation theory
摘要
Abstract
In the vibration test of spacecraft, some of its components will undergo the processes of aging, even failure because of long time use. For a qualitative analysis, the FMEA method is used to analyze the overall test bench, and the weakest link for the test bench is identified. For a horizontal sliding table's reliability series model in the subsystem, it is shown that it complies with the weak correlation theory. Then, the traditional reliability formula and the weak correlation are used, respectively, to predict the reliability of the model. A comparison shows that the weak correlation is better than the traditional reliability formula under the condition that all parts are not completely independent according to the actual situation. That is to say it is more effective for the reliability assessment of the horizontal sliding bench. The method is of theoretical and practical significance for mechanical system reliability calculations.关键词
航天器/振动试验台/水平滑台/定性分析/弱相关/可靠性预计Key words
spacecraft/vibration test bench/horizontal sliding test bench/qualitative analysis/weak correlation/reliability prediction分类
航空航天引用本文复制引用
丁锋,郭航,冯伟泉,王剑..基于弱相关界限理论的大型振动试验设备台体系统可靠性分析[J].航天器环境工程,2015,(6):668-673,6.基金项目
可靠性与环境工程技术重点实验室开放基金支持；国家自然科学基金项目（编号51275374）；陕西省教育厅科研计划项目（编号11JK0860）。 （）
