Volume 42 Issue 11
Nov.  2016
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ZHA Guoqing, JING Hailong, CHEN Yunxia, et al. Life analysis method for products based on failure behavior models[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2371-2377. doi: 10.13700/j.bh.1001-5965.2015.0739(in Chinese)
Citation: ZHA Guoqing, JING Hailong, CHEN Yunxia, et al. Life analysis method for products based on failure behavior models[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(11): 2371-2377. doi: 10.13700/j.bh.1001-5965.2015.0739(in Chinese)

Life analysis method for products based on failure behavior models

doi: 10.13700/j.bh.1001-5965.2015.0739
  • Received Date: 11 Nov 2015
  • Rev Recd Date: 06 Dec 2015
  • Publish Date: 20 Nov 2016
  • With the situation that traditional reliability engineering methods cannot meet the demand of design and analysis for the products with high reliability and long life index, this paper considers the uncertainty of inner and outside factors which cause the life dispersion, and on the basis of product functional models or digital prototype models, with the failure behavior model of products, a method is proposed to conduct the life analysis for products with long life index. The dispersion of inner and outside parameters can be expressed by the probability density function and obtained by analyzing the actual use and production conditions. Thus the life characteristics of products obtained with this method can remedy the disadvantage that the reliability prediction method based on physics of failure cannot reflect the actual normal use conditions of the products.

     

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