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Ship’s Turning in the Navigational Practice

Kornacki J.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2011

Vol. 5, no. 2

261--267

The turning-basin is a special part of the port waters area. During every port's call ship need to be turned. The paper presents the analysis of the ship’s turning in the navigational practice. The paper is based on the practical experience.

Multirole Population of Automated Helmsmen in Neuroevolutionary Ship Handling

Lacki M.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2011

Vol. 5, no. 2

255--260

This paper presents the proposal of advanced intelligent system able to simulate and demon-strate learning behavior of helmsmen in ship maneuvering. Simulated helmsmen are treated as individuals in population, which through environmental sensing learn themselves to safely navigate on restricted waters. In-dividuals are being organized in groups specialized for particular task in ship maneuvering process. Neuroev-olutionary algorithms, which develop artificial neural networks through evolutionary operations, are used in this system.

Intelligent Evaluation System of Ship Management

Xu Q., Meng X., Wang N.

TransNav : International Journal on Marine Navigation and Safety of Sea Transportation

2010

Vol. 4, no. 4

479--482

The security of maritime traffic is a significant part of intelligent maritime traffic. It can reduce to ship maneuvering and collision avoidance by macroscopic. Eighty percents of marine accident induce by human factor from research data. So some researches about intelligent computer evaluation system to reduce the accident of human caused have emerged. Intelligent evaluation system of ship maneuvering can calculate the status of ship and getting the data of ship around, and then adopt fuzzy comprehensive evaluation method to calculate the collision risk and evaluate the operation of navigator. If it has danger of collision risk or the navigator adopts irrational operation scheme by calculating, the system will send message to the navigator. The navigator must affirm the messages, if there is not affirmance, the system will adopt collision avoidance measures or other rational operations automatically at the critical moment.