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군용항공기 탑재 소프트웨어의 안전필수기능경로분석(SCFTA) 모델 개발Development of Safety Critical Function Thread Analysis(SCFTA) Model for Military Aircraft Software

Other Titles
Development of Safety Critical Function Thread Analysis(SCFTA) Model for Military Aircraft Software
Authors
고기성고진환
Issue Date
Jun-2023
Publisher
한국해군과학기술학회
Keywords
군용항공기; 안전필수기능; MIL-HDBK-516C; 안전지원요소; 미 공군 감항성 회람; Military Aircraft; Safety Critical Function; MIL-HDBK-516C; Safety Supporting Element; AC-17-01
Citation
한국해군과학기술학회지, v.6, no.2, pp 99 - 106
Pages
8
Indexed
KCICANDI
Journal Title
한국해군과학기술학회지
Volume
6
Number
2
Start Page
99
End Page
106
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/71698
DOI
10.31818/JKNST.2023.06.6.2.99
ISSN
2635-4926
Abstract
군용항공기에 탑재되는 안전필수기능(SCF)에 연관되는소프트웨어는 안전지원요소(SSE)로 지정되어 보다엄격한 개발 프로세스를 적용해야 한다. 따라서, 항공기개발 초기 단계에서 소프트웨어 안전지원요소를 명확히식별하는 것이 매우 중요하다. 하지만, 구체적인식별 기준이 분명하지 않고 참고할 만한 과거 사례가부족하여 개발 현장에서 자주 논란의 대상이 되고 있다. 본 논문에서는 美 공군 감항성 회람 (AC-17-01)의 분석을통해 군용 항공기 탑재 소프트웨어의 안전필수기능의경로 분석 모델을 연구하였다. 또한, 관련 연구를바탕으로 실제 군용항공기 체계개발사업에 적용해봄으로써 방법의 적합성을 검증하였으며, 군용항공기탑재 소프트웨어의 안전성과 신뢰성을 확보할 수 있는경로 분석 모델을 제시하였다.
Software related to the safety critical function (SCF) used in military aircraft is designated as a safety support element (SSE), stricter development process should be applied. Therefore, it is very important to clearly identify software safety support elements in the early stages of aircraft development. However, the specific identification criteria are not clear and there are insufficient past cases to refer to, which are frequently subject to controversy at the development site. In this paper, the thread analysis model of the safety critical function of military aircraft software was studied through the analysis of the U.S. Air Force's Airworthiness Circular(AC-17-01). In addition, based on related research, the suitability of the method was verified by applying it to the actual military aircraft system development project, and a route analysis model was presented to ensure the stability and reliability of military aircraft software.
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