Ship Motion Visualization Program Developed using MATLAB and Applied to the Maneuvering Test of the Kakuyo Maru


MATLAB (matrix laboratory) is a multi-paradigm numerical computing programming language which has a simple to use graphical user interface and can interface with programs written in other programming languages such as C, Java and FORTRAN. MATLAB is widely used in fields such as engineering, science and economics, but is seldom used by fisheries. In this study, we developed a program which can visualize the motion of a ship that is recovering buoys or fishing gear from the sea. We also assessed the usefulness of this program for an actual ship maneuvering test involving the fishing ship Kakuyo Maru, Faculty of Fisheries, Nagasaki University, Nagasaki, Japan. The developed program acquires fore and aft ship positions from GPS data (latitude and longitude); heading data are obtained from a gyrocompass every 5 seconds. Collected data are combined, processed and output to a monitor to visualize the motion of the ship

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