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《Chinese Journal of Applied Probability and Statistics》 2018-01
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Heteroscedastic Linear Model Based Reliability Evaluation for Solar Cell Degradation Testing

SHENG ZhiDong;YU Dan;School of Management, University of Science and Technology of China;Academy of Mathematics and Systems Science, Chinese Academy of Sciences;School of Mathematical Sciences, University of Chinese Academy of Sciences;  
Solar cell is the basic component of satellite photovoltaic panels with complicated redundant system structure. Its reliability plays an important role in the system, and its performance shows a degradation trend over time. In this paper, study is conducted for the solar cell degradation modeling and reliability analysis based on practical testing results. Specifically, we illustrate an accelerated test for the attenuation ratio character test under different accumulative irradiation levels, focusing on the heteroscedasticity of the collected testing data. A heteroscedastic linear model is proposed, and the life distribution of the photovoltaic panel is obtained by using Fiducial method. A numerical example is shown for the purpose of illustration.
【CateGory Index】: TM914.4
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