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Tomasz Neumann
 

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TransNav, Faculty of Navigation
Gdynia Maritime University
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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.
REFERENCES
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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.
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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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