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http://dx.doi.org/10.3795/KSME-A.2010.34.6.781

Failure Data Analysis of J79 Engine Transfer Gearbox for Aircraft Maintenance Planning  

Choi, Jae-Man (Military Airworthiness Certification Center)
Yang, Seung-Hyo (Air Force Logistics Command)
Hwang, Young-Ha (Air Force Logistics Command)
Son, Ik-Sang (Air Force Logistics Command)
On, Yong-Sub (Dept. of Aerospace Engineering, Chungnam Nat'l Univ.)
Kim, Young-Jin (Defense Agency for Technology and Quality)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.34, no.6, 2010 , pp. 781-787 More about this Journal
Abstract
Forecasting possible failure characteristics is very important in maintenance planning because it helps in predicting any future failures and determining the optimum replacement interval. This paper examines the time.to-failure distribution of the transfer gearbox of a J79 engine by using a probability plotting technique which is one of the most convenient techniques for reliability analysis. Various probability distributions are evaluated for determining the suitable probability distribution of the failure data of the transfer gearbox, and the resulting correlation coefficient indicates that failure data have a lognormal distribution. The expected number of unscheduled maintenance actions and the optimum replacement interval for various values of cost ratios are determined.
Keywords
Bathtub Curve; Failure Data; Failure Mode; Lognormal Distribution; Maintenance Planning; Median Rank; MTBF; Normal Distribution; Optimal Replacement Interval; Reliability Analysis; Weibull Distribution;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
연도 인용수 순위
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