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Principal Component Analysis on Marine Casualties Occurred at Korean Littoral Sea in Recent 5 Years

최근 5년간 국내 연근해에서 발생한 해양사고에 대한 주성분분석

  • Received : 2015.11.09
  • Accepted : 2015.12.03
  • Published : 2016.04.30

Abstract

Principal Component Analysis (PCA) is useful statistical technique for finding patterns in data, and expressing the data in such a way as to highlight their similarities and differences. In this paper, 1417 marine casualties occurred in Korean littoral sea in recent 5 years, were examined by the PCA. The main results obtained were as follows : 1. Most of marine casualties resulted from the human factors such as careless operation and insufficient engine maintenance. 2. Collision and standing mainly resulted from steering room-related human factors such as careless guard, inadequate ship-handling, however engine damage and fire explosion mainly resulted from engine room-related human factor such as bad handling of engine system. 3. No. 1 principal component represents accident frequency, No. 2 principal component represents the cause and No. 3 principal component represents the pattern of marine casualties, respectively.

본 연구에서는 2010년부터 2014년까지 최근 5년간 우리 나라 주변해역에서 발생하여 중앙해양안전심판원의 재결을 마친 1417건의 해양사고에 대해 이를 25개 요인별로 분류하고, SPSS 통계 프로그램에 의한 주성분분석(Principal Component Analysis; PCA)을 행하여 이들 각 요인들의 상관성 및 주요 해양원인을 분석 고찰하였다. 얻어진 주요한 결과들을 요약하면 다음과 같다. 1. 해양사고의 주된 원인은 기관설비취급불량, 화기취급불량, 항행법규소홀, 침로선정유지불량, 경계소홀 등 기관실 및 조타실 관련 인적요인에 의해 발생한다. 2. 조타실 관련 인적요인에 의해 발생하는 사고는 충돌과 좌초 등이 큰 비중을 차지하며, 기관실 관련 인적요인에 의해 발생하는 사고유형은 주로 기관손상이나 화재폭발 등이다. 3. 주성분분석의 결과 제1주성분은 해양사고의 출현율을, 제2주성분은 해양사고의 원인을, 제3주 성분은 해양사고의 유형을 나타낸다.

Keywords

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  1. An analysis on marine casualties of fishing vessel by FTA method vol.53, pp.4, 2017, https://doi.org/10.3796/KSFT.2017.53.4.430