군 공급사슬 복원력 결정요인에 관한 연구
Determinants of the Military Supply Chain Resilience
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초록
본 연구는 자연재해, 전쟁 등 불확실한 상황이 발생했을 때, 군 공급사슬의 재고가 급격히 감소한 후 바람직한 상태까지 복원되는데 영향을 미치는 요인을 도출한다. 연구의 목적을 달성하기 위해 공급사슬의 복원력에 관한 기존 문헌을 Robust와 Agile 관점에서 분석하였다. 즉, Robust Supply Chain Strategy 중 전략적 재고 운용과 Agile Supply Chain Strategy 중 리드타임 감소를 중점적으로 분석하여 최하위 제대의 재고 복원력에 영향을 미치는 결정적 요인을 도출하였다. 연구 방법으로는 시스템 다이내믹스 시뮬레이션 기법을 사용하였으며, 재고관리 모델인 Generic-Stock Management Model을 활용하여 현재 군 공급사슬을 모델링하였다. 시뮬레이션간 전시 군수품의 수요를 임의로 증가시켰으며, 리드타임을 변화시키고 전략적 여분 재고의 위치 및 양을 조정하여 전시 수요증가에 대한 공급사슬의 복원력을 측정하였다. 시뮬레이션 결과 전시 수요 증가율에 따라 재고 복원의 패턴은 상이한 양상을 보이며, 복원력 결정에 있어 공급사슬 최하위 제대의 앞단 재고수준과 조달 리드타임(PROLT)이 가장 큰 영향력을 미친다는 결과를 도출하였다. 이러한 연구 결과를 바탕으로 복원력 향상을 위해 결정요인을 선별적으로 관리하면 전시 작전지속능력을 더욱 제고시킬 수 있을 것으로 기대된다.
Abstract
The purposes of this study are to find out determinants that affect military supply chain resilience whenthe uncertainty such as natural disasters or the war has occurred. In order to achieve the purpose of the study, we analyzed preceding research about supply chain resiliencefrom two perspective, robust and agile. The strategic stock is to robust supply chain strategy, what the leadtime reduction is to the agile supply chain strategy. Focusing on the strategic stock and lead time reduction, determinants that affect the resilience of thelowest unit inventory were introduced. They are applied to the inventory management model, which isGeneric Stock Management by Sterman. The simulation results are as follows : the pattern of the inventory resilience depends on the war timedemand. However, the determinants are same. In other words, inventory level of LSC(Logistics SupplyCommand) is the most important. The next determinant element is PROLT. Based on this study, we can improve the wartime sustainable capacity by managing the determinantsselectively that can affect supply chain resilience.
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