Reliability Analysis of Left-truncated Weibull Distribution Modified by BB Algorithm

被引：0
|
作者：
Kong X. [1 ]
Zhang K. [1 ]
Zhang J. [2 ]
Zhang F. [2 ]
机构：
[1] College of Aeronautical Engineering, Cival Aviation University of China, Tianjin
[2] Maintenance & Engineering Department of Shenzhen Airlines, Shenzhen, 518000, Guangdong
来源：
| 1842年 / Chinese Mechanical Engineering Society卷 / 28期
关键词：
BB (Brownian Bridge-Donsker's) algorithm; Kolmogorov-Smirnov (K-S) hypothesis testing; Landing gear; Left-truncated Weibull distribution; Maximum likelihood estimation (MLE); Reliability analysis;
D O I：
10.3969/j.issn.1004-132X.2017.15.012
中图分类号：
学科分类号：
摘要：
A reliability analysis was done based on the failure data of B737-800 main landing gear shock strut oil leakages herein, which came from a domestic airlines' electronic records, in consideration of the life distribution type and parameter estimation method. The characteristics of data preliminarily demonstrated that the life distribution type might be left-truncated two parameter Weibull distribution, logarithmic normal distribution or exponential distribution. Next, the parameters corresponding to three types of distributions were estimated by using the MLE method. Then, the Kolmogorov-Smirnov(K-S) hypothesis test, which modified by BB algorithm and goodness-of-fit test, was used to identify and confirm the life distribution function model. The analysis results show that the distribution of the data is left-truncated two parameter Weibull distribution. In the end, reasonable maintenance plan and optimized maintenance scheme are provided. © 2017, China Mechanical Engineering Magazine Office. All right reserved.
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页码：1842 / 1847
页数：5
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