Abstract
The article shows that modeling the movement of ships allows you to build predictive trajectories of movement of both your own vessel and other vessels in the water area. The issues of modeling and software construction of the proposed dynamic trajectory of the vessel as part of the ship's decision support system in navigation (DSS) are considered. The analysis of mathematical models of vessel movement that have proven themselves positively in research and design practice is carried out. The adequacy of the mathematical model was assessed taking into account the definition of the limits of its applicability, i.e. identification of typical modes of movement and the design (type) of the vessel for which the selected model can be used. The analysis of theoretical calculations and oscillograms of full-scale tests of serial vessels is carried out, showing that the dynamics of river displacement vessels is characterized by a number of specific features. The method of choosing a mathematical model of ship movement in order to create a DSS when controlling movement at short distances in cramped navigation conditions is proposed.
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