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http://dx.doi.org/10.5762/KAIS.2020.21.1.628

A Study on Shelf-life Management Program of Long-term Storage One-shot System  

Park, Dong-in (ILS Center, Defense R&D Center, Hanwha Corporation)
Shim, Hang-Geun (ILS Center, Defense R&D Center, Hanwha Corporation)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.1, 2020 , pp. 628-633 More about this Journal
Abstract
This paper presents an analysis of the shelf-life management program of the long-term storage one-shot system. The one-shot system is mainly maintained with long-term storage or non-operating status and is operated once at execution of the mission. The function corresponding to one-shot is mainly operated through a shelf-life item such as an explosive. The performance and characteristics of shelf-life item are subject to change as the storage period passes. Therefore, shelf-life management for maintaining good condition is very important during long-term storage, and criteria for management is necessary. We present a method for optimizing shelf-life extension by comparing criteria for management with current reliability. Next, the shelf-life evaluation schedule was decided by utilizing the reliability function of exponential distribution and Weibull distribution. Continuously accumulated test data from the shelf-life evaluation were analyzed, and the parameter of distribution was updated. The extension or expiration of shelf-life was selected by monitoring changes in reliability. In addition, we confirmed the applicability of the presented shelf-life management program by applying ASRP test data of the one-shot system K000 fuse.
Keywords
Shelf-Life; Long-Term Storage; One-Shot System; Reliability; Weibull Distribution;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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