무기체계의 상세 설계단계 정비도 예측을 위한 FD&I 산출방안 연구A Study on the FD&I Calculation Method for the Maintainability Prediction of the Detailed Design Phase of a Weapon System
- Other Titles
- A Study on the FD&I Calculation Method for the Maintainability Prediction of the Detailed Design Phase of a Weapon System
- Authors
- 김수주; 허장욱
- Issue Date
- Jan-2020
- Publisher
- 한국신뢰성학회
- Keywords
- Maintainability; Maintainability prediction; MIL-HDBK-472; Procedure Ⅴ; FD& I(Fault Detection & Isolation)
- Citation
- 신뢰성 응용연구, v.20, no.1, pp.19 - 27
- Journal Title
- 신뢰성 응용연구
- Volume
- 20
- Number
- 1
- Start Page
- 19
- End Page
- 27
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/19088
- DOI
- 10.33162/JAR.2020.3.20.1.19
- ISSN
- 1738-9895
- Abstract
- Purpose: This study investigated MIL-HDBK-472 Procedure V and suggests the method for deriving FD&I, a key parameter for applying Method B. The study also describes the process for calculating the mean time repair (MTTR) of the system by applying Method B.
Methods: Of the maintenance procedures Procedure I-V presented in MIL-HDBK-472, Procedure V is divided into Method A and Method B as applicable at all stages of maintenance, and FD&I elicitation is essential for applying Method B in the detailed design phase.
Results: The FD&I elicitation process was presented, and the MTTR value was applied with Method A considering an ambiguous factor(S) called the ability to isolate faults during the initial design phase was compared by the MTTR value applied with Method B.
Conclusion: In order to predict the degree of maintenance at the detailed design stage during system development, Method B of the Procedure V used by the U.S. military is required, it is possible to improve the predictive accuracy of maintainability through comparison with Method A when it is applied in the initial design phase.
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