경영과학 (Korean Management Science Review)

한국경영과학회 (The Korean Operations Research and Management Science Society)
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항공기 예비엔진 및 모듈 재고수준이 전시 운용가용도에 미치는 영향

The Impact of Aircraft Spare Engine and Module Inventory Level on Wartime Operational Availability

  • Kim, Jinho (Major in Republic of Korea Air Force) ;
  • Lee, Sangjin (Defence Management, Korea National Defense University) ;
  • Jung, Sungtae (Defence Management, Korea National Defense University)
  • 투고 : 2014.01.27
  • 심사 : 2014.04.25
  • 발행 : 2014.07.31
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초록

It is important to maintain on operational availability of aircraft during wartime. The KF-16 fighter, the backbone of the ROKAF (Republic Of Korea Air Force), has a single engine. Therefore, the engine has a critical influence on operational availability. The purpose of this study is to estimate optimal levels of spare part inventories concerning both engines and modules. That is provided by linear programming methods utilizing a developed meta-model. For drawing out the meta-model, we develop a simulation model which can consider wartime demands. In the previous study, $2^k$ factorial design method is used to check the influence of each independent variable. That method requires relatively many scenarios because every extreme value combination of independent variables should be checked. However, this study adopts NOLH (Nearly Orthogonal Latin Hypercube) as an experimental design. By adopting NOLH, this study increases not only efficiency but also accuracy. That is proven by comparing the validity of the developed meta-model on both experimental designs. This study also utilizes the OptQuest simulation tool in ARENA to derive the optimal level of spare stocks. By comparing the result of OptQuest to that of the developed meta-model, the validity of this study is secured.

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참고문헌

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