Volume 36 Issue 4
Apr.  2010
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Hong Dongpao, Ma Xiaobing, Zhao Yu, et al. Environment referring factor based on proportional hazards model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(4): 443-446. (in Chinese)
Citation: Hong Dongpao, Ma Xiaobing, Zhao Yu, et al. Environment referring factor based on proportional hazards model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(4): 443-446. (in Chinese)

Environment referring factor based on proportional hazards model

  • Received Date: 26 Mar 2009
  • Publish Date: 30 Apr 2010
  • The relations of reliability and environment factors were described by the proportional hazards model (PHM). Using the model,the influences of environment factors on reliability were measured quantificationally. A calculation method of environment referring factor was proposed. In the method,the varied environment test data was used synthetically to improve the calculation precision of environment referring factor. The prediction of environment referring factor is becoming possible with the method. For complex environment,the generalized proportional hazards model was introduced to measure the interaction of varied environment on reliability. The model was established by radial basis function using the varied environment test data. The statistical inference of the environment referring factor for usual life distributions was put forward based on the PHM. The example shows that the method is reasonable and straightforward for engineering.

     

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