Journal of Advanced Navigation Technology (한국항행학회논문지)

The Korean Navigation Institute (한국항행학회)
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Allocation of Design Assurance Level for KASS Based on International Standards

국제표준에 기반한 KASS 개발보증레벨 할당

  • Bae, Dong-hwan (Software Testing & Certification Laboratory, Telecommunications Technology Association)
  • 배동환 (한국정보통신기술협회 소프트웨어시험인증연구소)
  • Received : 2016.01.31
  • Accepted : 2016.02.17
  • Published : 2016.02.28
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Abstract

Since 2014, MOLIT (Ministry of Land, Infrastructure, and Transport) is carrying out a KASS project to develop and construct Korean SBAS. KASS can cause damage of human & properties if it has some problem during operation. Therefore, system safety assessment for KASS development is very important. Principal point of system safety assessment is the allocation of DAL(design assurance level) based on the hazard identification and classification. In this parer, the author conducts the allocation of DAL for KASS & its sub-systems based on the international standard(SAE ARP4761), which suggests a best practice of aviation system safety assessment. The result of this paper are the first step of system safety assessment, and can be used for further system safety assessment of KASS project.

국토교통부는 2014년부터 한국형 위성보강항법시스템 (SBAS; satellite based augmentation system)인 KASS (Korea augmentation satellite system) 개발 구축 사업을 진행 중이다. KASS는 실제 운영 중 문제가 발생할 경우 인명 및 재산피해와 연결될 수 있어 시스템 개발을 위한 안전성 평가가 매우 중요하다. 안전성 평가의 핵심은 위해 식별과 심각도 판정에 따른 개발보증레벨 (DAL; design assurance level) 할당이다. 본 연구에서는 항공시스템의 안전성 평가 방법론을 제시하는 국제표준인 SAE (society of automotive engineers) ARP4761 (aerospace recommended practice)을 기반으로 KASS 및 그 하위시스템에 대해 개발보증레벨 할당을 수행한다. 이것은 전체 시스템 안전성 평가의 첫 단계이므로 향후 KASS 개발 구축 사업의 안전성 평가에 활용될 수 있다.

Keywords

References

  1. SAE International, ARP4761 - Guideline and methods for conducting the safety assessment process on civil airborne systems and equipment, SAE Inc., Dec. 1996.
  2. Korea Government, Aviation Act, Article 80-2, "Performance conformity certification of navigation safety facilities," Mar. 2013.
  3. MOLIT, Public Notice, Article 2015-305, "Technical standards for inspection of performance conformity certification of navigation safety facilities," May. 2015.
  4. ICAO, Annex 10 to the convention on international civil aviation, Volume 1 - Radio Navigation Aids, International Standards and Recommended Practices, 6th edition, p.3-70, Jul. 2006.
  5. KASS Program Office, Final report of the foundation study for KASS development and construction, Korea Agency for Infrastructure Technology Advancement, Jun. 2014.

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