Reliability modeling of the bivariate deteriorating product with both monotonic and non-monotonic degradation paths

查看全文 作　　者：SUN [1,2]Fuqiang;GUO [1,2]Hongxuan;LIU [3]Jingcheng

机构地区：[1]School of Reliability and Systems Engineering,Beihang University,Beijing 100191,China;[2]Science and Technology on Reliability and Environmental Engineering Laboratory,Beihang University,Beijing 100191,China;[3]Wuhan Maritime Communication Research Institute,Wuhan 430079,China

出　　处：《Journal of Systems Engineering and Electronics》索引2021年第32卷第4期,共13页

基　　金：supported by the National Key R&D Program of China(2018YFB0104504). 摘　　要：Fiber optical gyroscope(FOG)is a highly reliable navigation element,and the degradation trajectories of its two accuracy indexes are monotonic and non-monotonic respectively.In this paper,a flexible accelerated degradation testing(ADT)model is used for analyzing the bivariate dependent degradation process of FOG.The time-varying copulas are employed to consider the dynamic dependency structure between two marginal degradation processes as the Wiener process and the inverse Gaussian process.The statistical inference is implemented by utilizing an inference function for the margins(IFM)approach.It is demonstrated that the proposed method is powerful in modeling the joint distribution with various margins. 关键词：fiber optical gyroscope bivariate accelerated degradation testing Wiener process inverse Gaussian process time-varying copulas DEPENDENCE

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Reliability modeling of the bivariate deteriorating product with both monotonic and non-monotonic degradation paths

参考文献(41)

引证文献(2)

耦合文献(24)

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