Journal of Applied Reliability (한국신뢰성학회지:신뢰성응용연구)

The Korean Reliability Society (한국신뢰성학회)
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Reliability Growth Planning for a Military System Using PM2-Continuous Model

예측방법론 기반 연속형 계획 모델을 적용한 무기체계의 신뢰도 성장 계획

  • Seo, Yangwoo (Institute of Guided Weapon, PGM R&D Lab, LIGNex1) ;
  • Park, Eunshim (Institute of Guided Weapon, PGM R&D Lab, LIGNex1) ;
  • Kim, Youngkuk (Institute of Guided Weapon, PGM R&D Lab, LIGNex1) ;
  • Lee, Kwanyoung (Institute of Guided Weapon, PGM R&D Lab, LIGNex1) ;
  • Kim, Myungsoo (Department of Industrial and Mechanical Engineering, The University of Suwon)
  • 서양우 (LIG넥스원 유도무기1연구소) ;
  • 박은심 (LIG넥스원 유도무기1연구소) ;
  • 김용국 (LIG넥스원 유도무기1연구소) ;
  • 이관영 (LIG넥스원 유도무기1연구소) ;
  • 김명수 (수원대학교 산업 및 기계공학부)
  • Received : 2018.06.26
  • Accepted : 2018.08.14
  • Published : 2018.09.25
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Abstract

Purpose: To develop the reliability growth planning for a subsystem of guided weapon system using PM2-Continuous model. Methods: The target MTBF of the subsystem is set by allocating the system target MTBF to the lower level, where ARINC method is applied. Other model parameters such as initial MTBF, management strategy ratio and average fix effectiveness factor are chosen from historical growth parameter estimates. Given the values of model parameters, the reliability growth planning curve using PM2-Continuous model is constructed and the sensitivity analyses are performed for the changes of model parameters. Results: We have developed the reliability growth plan for a subsystem of guided weapon system using PM2-Continuous model. It was found that the smaller the ratio of initial MTBF to target MTBF, the smaller the management strategy ratio, the smaller the average fix effectiveness factor, and the shorter the development test period, the higher reliability growth is required. Conclusion: The result of this study will be used as a basis for establishing the reliability growth plan, the test period setting and the budget appropriation for the similar system entering the system development stage in the future.

Keywords

References

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