Safely guiding a ship, taking into account the movement of many other marine units.

What is it about?

An optimally neural modified algorithm for determining a safe trajectory is presented. The possible shapes of the domains assigned to other ships as traffic restrictions for the particular ship were subjected to a detailed analysis. The codes for the computer program Neuro-Constraints for generating these domains are presented. The results of the simulation tests of the algorithm for a navigational situation are presented. The safe trajectories of the ship were compared at different distances, changing the sailing conditions and ship sizes.

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Why is it important?

In terms of visibility at sea, ellipse‐shaped domains are the least sensitive in terms of extending the safe trajectory when visibility conditions at sea deteriorate;  In terms of the ability to maneuver a ship, when maneuvering only the ship’s course, the most 191 effective domains are in the shape of a parabola, and when maneuvering the course and speed, they are domains in the shape of an ellipse;  In terms of taking into account the size of a ship, the greatest optimality is provided by a parabolashaped domain;  In terms of the discretization of calculations, hexagonal domains show the greatest sensitivity.

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