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Hydrodynamic characteristics of the propulsion thrusters of an unmanned ship model

Szelangiewicz Tadeusz, Żelazny Katarzyna

Zeszyty Naukowe Akademii Morskiej w Szczecinie

2020

nr 62 (134)

136--141

In this paper, an experimental model has been developed to study an unmanned ship. Two aft azimuthal propellers and two bow tunnel thrusters were used to propel the ship. In order to develop algorithms and a computer program to control the model, it is necessary to determine the hydrodynamic characteristics of the propellers installed in the model. The propellers are very small; therefore it is impossible to use approximate methods of calculating the thrust of the ship’s propellers. The characteristics of the thrust of the propellers installed in the model were measured experimentally. This paper has given a description of the test stand and the results of the measurement of the thrust forces of the propellers installed in the model of an unmanned ship.

Computer simulator of a model ship’s unmanned movement

Szelangiewicz Tadeusz, Żelazny Katarzyna

Zeszyty Naukowe Akademii Morskiej w Szczecinie

2019

nr 59 (131)

34--40

As part of this research, an experimental model of an unmanned ship equipped with an ecological electric drive was built. Ultimately, the ship model was equipped with an on-board computer with appropriate software for autonomous control. A computer simulator was used to test the control software. This article presents the concept of such a simulator, a general mathematical model of the movement dynamics of an unmanned vehicle, a description of the propulsion system, and the tasks planned for implementation in a computer simulator.