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http://dx.doi.org/10.3796/KSFT.2009.45.2.106

Collision risk considering the international regulations for preventing collisions at sea, 1972  

Kang, Il-Kwon (Division of Marine Production System management, Pukyong National University)
Kim, Hyung-Seok (Division of Marine Production System management, Pukyong National University)
Kim, Min-Seok (Training Vessel, Pukyong National University)
Kim, Jeong-Chang (Research Vessel, Pukyong National University)
Lee, A-Reum (Dept. of Fisheries Physics, Graduate School, Pukyong National University)
Publication Information
Journal of the Korean Society of Fisheries and Ocean Technology / v.45, no.2, 2009 , pp. 106-113 More about this Journal
Abstract
For the safety and cost reduction in the navigation, the automatic and intelligent system has been developed for the vessel, and the most important factor in the system is to decide the collision risk exactly. In this paper, we propose an advanced collision risk decision system for collision avoidance of the system. The conventional researches using DCPA and TCPA for calculating the collision risk have a problem to produce a same collision risk regardless of bearings for the ships, if they are located in the same distance from own ship. To solve this problem, in addition to DCPA and TCPA, we introduce the factor of VCD(variation of compass degree) and constant, CR which derived from COLREG'72(International Regulation for Preventing Collision at Sea, 1972) for evaluating the collision risk including even the burden of own ship navigator due to the encountering angle of each vessels. We decided the collision risk legally by the rule considering the relative situation of vessels. And therefore, the proposed system has two advantages, of which one is to produce more detail collision risk and another is to reflect the real underway situation in conformity with the rule.
Keywords
DCPA; TCPA; VCD; CR; Collision risk; Colreg 72;
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Times Cited By KSCI : 1  (Citation Analysis)
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