Journal of the Korean Society of Industry Convergence (한국산업융합학회 논문집)

The Korean Society of Industry Convergence (한국산업융합학회)
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Research on RAM-C-based Cost Estimation Methods for the Supply of Military Depot Maintenance PBL Project

군직 창정비 수리부속 보급 PBL 사업을 위한 RAM-C 기반 비용 예측 방안 연구

  • Junho Park (Gyeongsang National University, Department of Management of Technology) ;
  • Chie Hoon Song (Gyeongsang National University, Department of Management of Technology)
  • 박준호 (경상국립대학교 대학원 기술경영학과) ;
  • 송지훈 (경상국립대학교 대학원 기술경영학과)
  • Received : 2023.08.29
  • Accepted : 2023.09.20
  • Published : 2023.10.31
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Abstract

With the rapid advancement and sophistication of defense weapon systems, the government, military, and the defense industry have conducted various innovative attempts to improve the efficiency of post-logistics support(PLS). The Ministry of Defense has mandated RAM-C(Reliability, Availability, and Maintainability-Cost) analysis as a requirement according to revised Total Life Cycle System Management Code of Practice in May 2022. Especially, for the project budget forecast of new PBL(Performance Based Logistics) business contacts, RAM-C is recognized as an obligatory factor. However, relevant entities have not officially provided guidelines or manuals for RAM-C analysis, and each defense contractor conducts RAM-C analysis with different standards and methods to win PBL-related business contract. Hence, this study aims to contribute to the generalization of the analysis procedure by presenting a cost analysis case based on RAM-C for the supply of military depot maintenance PBL project. This study presents formulas and procedures to determine requirements of military depot maintenance PBL project for repair parts supply. Moreover, a sensitivity analysis was conducted to find the optimal cost/utilization ratio. During the process, a correlation was found between supply delay and total cost of ownership as well as between cost variability and utilization rate. The analysis results are expected to provide an important basis for the conceptualization of the cost analysis for the supply of military depot maintenance PBL project and are capable of proposing the optimal utilization rate in relation to cost.

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Acknowledgement

본 논문은 산업통상자원부의 '융합기술사업화 확산형 전문인력 양성사업'의 지원을 받아 수행된 논문임.

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