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An Evaluation of Effectiveness for Providing Safety Navigation Supporting Service : Focused on CPA/TCPA Information Supplying Service

안전 항해 지원 서비스 제공에 대한 유용성 평가(II) : CPA/TCPA 정보 제공 서비스를 대상으로

  • Hwang, Hun-Gyu (Division of Ocean ICT & Advanced Materials Technology Research, Research Institute of Medium & Small Shipbuilding) ;
  • Kim, Bae-Sung (Division of Ocean ICT & Advanced Materials Technology Research, Research Institute of Medium & Small Shipbuilding) ;
  • Shin, Il-Sik (Division of Ocean ICT & Advanced Materials Technology Research, Research Institute of Medium & Small Shipbuilding) ;
  • Lee, Jang-Se (Division of Maritime IT Engineering, Korea Maritime and Ocean University) ;
  • Yu, Yung-Ho (Ocean and Ship ICT Convergence Research Center, Marine Electronics Industry Promotion Association)
  • Received : 2017.07.08
  • Accepted : 2017.09.01
  • Published : 2017.09.30

Abstract

In this paper, we proposed a service that provides CPA/TCPA information to ships, without ARPA/ATA devices to support decision making of the navigator for maritime safety based on various services at shore and off-shore. To verify the proposed service, we use SiNAS (scenario-based simulator for NAS) with CPA/TCPA information providing software to evaluate its usability, because executing the test in real ship has many limitations and difficulties. To do this, we specify two simulation scenarios for the required purpose, and we liaise twelve participants with various navigation experience to conduct the simulations. Also, we analyze the results of simulation using mission success or not, the minimum approaching distance with the target ship, the time of a recognition the target ship, the time of a first action for collision avoidance with the target ship, and so on. Then, we evaluate usability of the proposed service based on the three elements which are effectiveness, efficiency and satisfaction.

본 논문에서는 육/해상에서 제공 가능한 다양한 서비스를 통해 항해사의 의사결정을 지원함으로써 해양 안전을 확보하기 위한 연구의 일환으로 ARPA 혹은 ATA 장비가 탑재되어 있지 않는 선박에 CPA/TCPA 정보를 제공하기 위한 서비스를 제안한다. 제안 서비스를 검증하기 위하여 실제 선박을 대상으로 실험을 수행하기에는 많은 어려움이 있기 때문에 본 논문에서는 시나리오 기반의 시뮬레이터인 SiNAS 및 CPA/TCPA 정보 제공 소프트웨어를 활용하여 유용성을 평가한다. 이를 위해 검증 목적에 적합하도록 시뮬레이션 시나리오를 명세한 후, 다양한 경력을 가진 12명의 항해사를 선정하여 시뮬레이션을 수행한다. 또한, 임무 성공 여부, 충돌 위험 선박과의 최근접 거리, 충돌 위험 선박을 인지하는데 까지 걸린 시간, 인지한 후 회피 조치를 취한 시간 등을 기반으로 시뮬레이션 결과를 분석하며, 유효성, 효율성, 만족성의 세 가지 요소를 기준으로 제안 서비스의 유용성을 평가한다.

Keywords

References

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