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A Study on the Application of DFMEA for Safety Design of Weapon System

무기체계의 안전 설계를 위한 DFMEA 적용에 관한 연구

  • Seo, Yang Woo (Precision Guided Munition Integrated Product Support R&D Lab, LIG Nex1) ;
  • Oh, Young Il (Precision Guided Munition Integrated Product Support R&D Lab, LIG Nex1) ;
  • Kim, Hee Wook (Precision Guided Munition Integrated Product Support R&D Lab, LIG Nex1) ;
  • Kim, So Jung (Precision Guided Munition Integrated Product Support R&D Lab, LIG Nex1)
  • Received : 2022.03.21
  • Accepted : 2022.06.20
  • Published : 2022.06.30

Abstract

In this paper, we proposed the DFMEA Implementation Method for safety design of Weapon System. First, we presented the process for DFMEA. And then, the case analysis of OOO missile was performed in accordance with the process presented. After defining the system requirements of OOO missile, failure definition scoring criteria was set. In order to clarify the definition of failure, the failure was classified into safety, reliability, maintainability and others. After performing the function analysis, the relationship matrix analysis was performed to identify the failure mode according to the function without omission. After clarifying the failure classification, mode of failure, cause of failure and effect were analyzed to calculate the severity, occurrence and detection values. After the action priority was judged, the recommended action according to the failure classification was identified for the determined action priority. The results of this study can be used as a relevant basis for the design reflection and resource re-allocation of stakeholders.

Keywords

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