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Application of B Splines to Identification of the Movement Equations of the Floating Objects

Marek Zellma ; Polish Naval Academy Faculty of Mechanical-Electrical Engineering, Poland
Agata Załęska-Fornal ; Polish Naval Academy Faculty of Mechanical-Electrical Engineering, Poland

Puni tekst: engleski pdf 1.375 Kb

str. 58-64

preuzimanja: 183



The paper presents the possibilities of using B-splines to determine a mathematical model in the form of linear differential equations describing the change of the motion parameters of floating objects depending on the values of the control signals. The elaborated identification system is a collection of algorithms including: approximation of input and output signals, optimal selection of differential equation coefficients and model verification. The basic spline functions were used to approximate the values of the input and output signals. The developed method was illustrated by an example of identification of underwater submarine motion equations describing the change in draft depth and trim angle depending on the difference between buoyancy force and ship’s weight.

Ključne riječi

B splines; motion parameters; linear differential equations; identification

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