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http://dx.doi.org/10.6108/KSPE.2013.17.3.030

A Study on the Storage Life Estimation Method for Applying Gamma Process Model to Accelerated Life Test Data  

Park, Sungho (국방과학연구소 종합시험본부)
Kim, Jaehoon (충남대학교 기계설계공학과)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.17, no.3, 2013 , pp. 30-36 More about this Journal
Abstract
This paper presents a method to estimate a storage life for loss of stabilizer content as storage periods using accelerated life test data. The estimate of storage life based on deterministic accelerated life test and degradation data cannot describe a condition distribution and storage life distribution. Previously, the method to show the condition distribution and storage life distribution by using gamma process has been studied. But it has limitation because it is impossible to collect the deterioration data at initial production phase. The estimated storage life presented by this study shows the similar value to previous studies and the method can describe the condition distribution and storage life distribution. So, the estimation method studied in this paper can be used for a life cycle management about deterioration of propellant for propulsion unit or components of missile, too.
Keywords
Stabilizer; Accelerated Life Test; Gamma Process; Storage Life;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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