Volume 30 Issue 7
Jul.  2015
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Article Navigation >  Journal of Aerospace Power  > 2015  >  30(7): 1632-1637
WANG Zhi-hua, ZANG Guang-kui, ZHANG Yong-bo, FU Hui-min. Comparison of two reliability models for performance degradation analysis[J]. Journal of Aerospace Power, 2015, 30(7): 1632-1637. doi: 10.13224/j.cnki.jasp.2015.07.014
Citation: WANG Zhi-hua, ZANG Guang-kui, ZHANG Yong-bo, FU Hui-min. Comparison of two reliability models for performance degradation analysis[J]. Journal of Aerospace Power, 2015, 30(7): 1632-1637. doi: 10.13224/j.cnki.jasp.2015.07.014
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Comparison of two reliability models for performance degradation analysis

doi: 10.13224/j.cnki.jasp.2015.07.014

  • Research Center of Small Sample Technology, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

Funds:

Beijing Natural Science Foundation (3154034)

National Natural Science Foundation of China (11202011)

National Basic Research Program of China (2012CB720000)

Fundamental Research Funds for the Central Universities (YWK13HK11)

  • Received Date: 2014-01-23
  • Publish Date: 2015-07-28
    Abstract
  • In order to investigate the general reliability assessment methods based on performance degradation data, two commonly used stochastic process approaches, bilinear process method and random-effect model were studied. Analyzing procedure and effectiveness of these two methodologies were studied and compared. Meanwhile, the two approaches were illustrated through practical applications. The residual plots and the 10th percentile curves of the two methods were presented to demonstrate the comparative results. The random-effect model yielded more volatile residuals and a lower and unsafe 10th percentile curve. Consequently the bilinear process model can be concluded to derive more reasonable results due to its one-stage estimation property.

     

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