The article considers a model for controlling the location of a large-tonnage vessel in the event of conditions of insufficient navigational information, as well as a graphical-analytical method for estimating the parameters of the vessel's state vector using fuzzy number theory. The main advantages of the fuzzy model are indicated, as well as the possibilities of its application in various navigation systems. The algorithm of the method is implemented on the example of entering the port of Novorossiysk.
position control, insufficient navigation information, safety ofnavigption, navigption hazard, fuzzy logic, fuzzy numbers, state vector
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