Volume 37 Issue 8
Aug.  2018
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Hu Qiguo, Zhou Song. Reliability Analysis of Failure Dynamic Mechanical System using Vine Copula Model[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(8): 1149-1155. doi: 10.13433/j.cnki.1003-8728.20180024
Citation: Hu Qiguo, Zhou Song. Reliability Analysis of Failure Dynamic Mechanical System using Vine Copula Model[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(8): 1149-1155. doi: 10.13433/j.cnki.1003-8728.20180024

Reliability Analysis of Failure Dynamic Mechanical System using Vine Copula Model

doi: 10.13433/j.cnki.1003-8728.20180024
  • Received Date: 2017-08-06
  • Publish Date: 2018-08-05
  • The dynamic reliability of mechanical system failure can be described by dynamic Vine Copula model. The Vine Copula function is used to transform the reliability problems of complex and multiple failures related to the analysis of multiple two-dimensional dynamic Copula functions; using the nonparametric estimation algorithm, the empirical distribution function-local maximum likelihood two-step method is proposed to estimate the time-varying parameters in the dynamic Copula function; next, a dynamic Vine Copula model is established to describe the reliability of multi-failure dynamic related mechanical systems. The study focus on the mechanical system of the series system reliability modeling and analysis, then solve out the reliability of the mechanical system. Finally, an example is given to demonstrate the rationality and validity of the method.
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