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- Title
Application of B Splines to Identifi cation of the Movement Equations of the Floating Objects.
- Authors
Zellma, Marek; Załęska-Fornal, Agata
- Abstract
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 identifi cation system is a collection of algorithms including: approximation of input and output signals, optimal selection of diff erential equation coeffi cients 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 identifi cation 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.
- Subjects
EQUATIONS of motion; DIFFERENTIAL forms; LINEAR differential equations; MATHEMATICAL forms; BUOYANCY
- Publication
Nase More, 2021, Vol 68, Issue 1, p58
- ISSN
0469-6255
- Publication type
Article
- DOI
10.17818/NM/2021/1.7