Journal of Digital Contents Society (디지털콘텐츠학회 논문지)

Digital Contents Society (한국디지털콘텐츠학회)
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Study on Risk Analysis for Software Functional Safety of Marine Navigational Equipment

항해장비 소프트웨어 기능안전성 확보를 위한 위험분석 단계 연구

  • Lim, Sang-Woo (Department of Computer Engineering Graduated school of Korea Maritime and Ocean University) ;
  • Lee, Seojeong (Department of Maritime IT, Korea Maritime and Ocean University) ;
  • Yang, Hoi-seok (Nice Consulting Co Ltd)
  • 임상우 (한국해양대학교 대학원 컴퓨터공학과) ;
  • 이서정 (한국해양대학교 해사IT공학부) ;
  • 양회석 ((주)나이스컨설팅)
  • Received : 2017.03.20
  • Accepted : 2017.04.25
  • Published : 2017.04.30
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Abstract

As the importance of software in various industry areas has been increased, the number of accidents related to software safety are growing up. The key industries such as railroads, aviation and medicine, recommend IEC 61508 and international safety standards for their own to achieve functional safety and reduce the issues caused by that. For equipment of ship navigation, there are not any particular standards or guidance which Korean users can introduce as considering software functional safety. This article defines the procedure and outcomes of the risk analysis in order to secure software functional safety in marine navigational equipment and applies them to an echo sounder as a case study.

각 산업분야에 사용되는 시스템의 소프트웨어 비중이 늘어남에 따라 소프트웨어 안전성과 관련된 사고가 증가하고 있다. 철도, 항공, 의료 등의 주요 산업분야에서는 이를 해결하기 위해 IEC 61508 기반의 안전표준을 작성하여 따르는 것을 권고하고 있다. 항해 장비분야에는 안전표준이 마련되어 있지 않아 기능안전에 대한 확인을 위해 적절한 가이드가 필요하다. 본 논문에서는 정보통신산업진흥원의 기능안전성 공통 개발 가이드를 참고하여 항해 장비의 소프트웨어 기능안전성 확보를 위한 위험분석 단계의 절차와 산출물을 정의하였다. 선박에 탑재하여 수심을 측정하는 음향측심기를 대상으로 사례 연구를 하였다.

Keywords

References

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