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2023 Journal Impact Factor - 0.7
2023 CiteScore - 1.4
ISSN 2083-6473
ISSN 2083-6481 (electronic version)
Editor-in-Chief
Associate Editor
Prof. Tomasz Neumann
Published by
TransNav, Faculty of Navigation
Gdynia Maritime University
3, John Paul II Avenue
81-345 Gdynia, POLAND
e-mail transnav@umg.edu.pl
Evolutionary Ship Track Planning within Traffic Separation Schemes - Evaluation of Individuals
1 Gdańsk University of Technology, Gdańsk, Poland
ABSTRACT: The paper presents an extended version of the author?s Evolutionary Sets of Safe Ship Trajectories method. The method plans safe tracks of all ships involved in an encounter including speed reduction maneuvers, if necessary, and taking into account Rule 10 of COLREGS, which specifies ships? behavior within Traffic Separation Schemes governed by IMO. The paper focuses on the evaluation phase of the evolutionary process and shows how fitness function is designed to compare various possible tracks as well as to assess the quality of a final solution. The impact of the fitness function on the method?s results is illustrated by examples.
KEYWORDS: Colregs, Ship's Trajectory, Evolutionary Algorithms, Collision Avoidance, Traffic Separation Scheme (TSS), Fitness Function, Track Planning, Evaluation of Individuals
REFERENCES
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Coldwell T.G. 1983. Marine Traffic Behaviour in Restricted Waters. The Journal of Navigation. 36, 431-444.
COLREGS. 1972. [with amendments adopted from December 2009]). Convention on the International Regulations for Preventing Collisions at Sea. International Maritime Organization, London.
Michalewicz Z. & Fogel, D.B. 2004. How To Solve It: Modern Heuristics. Springer-Verlag.
Smierzchalski R. & Michalewicz, Z. 2000. Modeling of a Ship Trajectory in Collision Situations at Sea by Evolutionary Algorithm, IEEE Transactions on Evolutionary Computation No. 3 Vol. 4, pp. 227-241.
Szlapczynski R. 2011. Evolutionary Sets of Safe Ship Trajectories: A New Approach to Collision Avoidance. The Journal of Navigation. 64, 169-181.
Szlapczynski R & Szlapczynska J. 2011, On Evolutionary Computing in Multi-Ship Trajectory Planning. Applied Intelligence, vol. 37, iss. 2, 155-174, Springer Netherlands, http://www.springerlink.com/content/j40qp07031634568 (free access)
Szlapczynski R. 2012. Evolutionary Sets of Safe Ship Trajectories within Traffic Separation Schemes. The Journal of Navigation. vol. 66, iss. 1., pp. 65-81.
Citation note:
Szłapczyński R.: Evolutionary Ship Track Planning within Traffic Separation Schemes - Evaluation of Individuals. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 7, No. 2, doi:10.12716/1001.07.02.18, pp. 301-308, 2013
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