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Author Baldauf, Michael
Affiliation World Maritime University, Marisa Research Group Malmoe, Sweden
E-mail mbf@wmu.se
Author Mehdi, Raza
Affiliation World Maritime University, Marisa Research Group Malmoe, Sweden
E-mail mbf@wmu.se
Author Fischer, Sandro
Affiliation Wismar University, Dept. of Maritime Studies, ISSIMS Rostock-Warnemuende, Germany
E-mail m.gluch@hs-wismar.de
Author Gluch, Michael
Affiliation Wismar University, Dept. of Maritime Studies, ISSIMS Rostock-Warnemuende, Germany
E-mail m.gluch@hs-wismar.de
ISSN printed 1733-8670
URI http://repository.am.szczecin.pl/handle/123456789/2441
Abstract Avoidance of collisions is one of the most important tasks for the officer of the watch on a ship’s bridge. Measures and actions required to avoid such accidents are described in the Convention on the International Regulations for Preventing Collisions at Sea (COLREGs) adopted by the International Maritime Organization (IMO) in 1972 and still valid, with several minor amendments, since then. On the basis of a proper look-out at all times, by sight and hearing, and the use of all available means, also including technical equipment installed on-board as well as information provided by a Vessel Traffic Service (VTS), the navigating officer collects traffic and environmental data and combines them with their own ship data to construct a mental traffic image for the assessment of risk of collision with other objects in the vicinity. In the case wherre there is an unacceptable risk she or he has to decide on taking action. In most of the cases decision making is appropriate to the prevailing circumstances and ships maneuver and pass at a safe distance. Only in very rare cases, due to whatever reasons, watch officers fail in taking appropriate actions in good time. It is assumed that, if effective alerting algorithms would be available, a substantial number of collisions at sea, and especially in coastal waters, can be avoided by making the watch officer aware that the ‘last line of defence’ for taking action is close to come. It is assumed that there is potential in applying the principle of the resolution advisory alert of an ACAS (Airborne Collision Avoidance System)/TCAS (Traffic Alert and Collision Avoidance System) in aviation and adapt it to the needs of maritime traffic. In this paper, the authors introduce a method for triggering collision warnings by focusing specifically on the critical last phase of an encounter and taking into account the maneuvering characteristics of the navigating ship. They comprehensively explore the application using scenario studies discussing the operational aspects of varying implementation states (one ship only, SOLAS ships only).
Pages 53‒64
Publisher Scientific Journals Maritime University of Szczecin, Zeszyty Naukowe Akademia Morska w Szczecinie
Keywords collision avoidance
Keywords collision warning
Keywords manoeuvring decision support
Keywords dynamic prediction methods
Keywords Fast-Time-Simulation
Title A perfect warning to avoid collisions at sea?
Type Original scientific article
References
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ISSN on-line 2392-0378
Language English
Funding No data
Figures 10
Tables 0
DOI 10.17402/245
Published 2017-12-15
Accepted 2017-12-08
Recieved 2017-11-21


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