An Approach for Improvement of Avionics Reliability Assessment Based on Copula Theory
This paper seeks to address the drawbacks of the traditional reliability assessment model of avionics products based on failure dependent supposition and the classical reliability assessment method, which is based on copula theory when taking into account the difficulty of calculating and the accuracy of the model. An improved reliability assessment model based on copula theory is proposed to prioritize reliability assessment algorithm when concerned with the situation of correlative failures. In this paper, Cumbel-Hougaard copulas is used to prioritize the model when the failure time variables of avionics products were as the law of Weibull or Exponential distribution, the advantage of this method is also described in this paper. Finally, a case study is presented in this paper. Its obviously that the new reliability assessment approach can resolves the limitations of traditional method and increase the efficiency of the algorithm which based on copula theory. So the new method can increase the precision of reliability analysis and provide more effective data for verification of reliability indicators and design optimization.
copula theory reliability assessment failure dependent
Mingsheng Huang Qihua Wang Yonghong Li Liang Ao
Quality Engineering Technology Center China Aero-Polytechnology Establishment Beijing, China
国际会议
贵阳
英文
179-183
2011-06-12（万方平台首次上网日期，不代表论文的发表时间）