Underwater thruster parameters evaluation based on motor load test

The article considers the simulation dynamic model of an underwater vehicle thruster. The model is designed to determine thruster operational characteristics based on the results of load tests, a given control code, and the measured rotational speed of the propeller shaft. It is based on the calcula...

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Hauptverfasser: Kostenko, V., Tolstonogov, A., Pryazhennikov, P.
Format: Tagungsbericht
Sprache:eng
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Zusammenfassung:The article considers the simulation dynamic model of an underwater vehicle thruster. The model is designed to determine thruster operational characteristics based on the results of load tests, a given control code, and the measured rotational speed of the propeller shaft. It is based on the calculation of the torque by a known motor shaft rotation frequency in the steady-state mode of a vehicle movement at a constant speed. Thruster torque and force are calculated using a mathematical model. It is based on the results of load tests of electric motor and analytical expressions for the propeller efficiency curves. The results of the parameters identification of the motor mathematical model are presented. They are obtained by analyzing the family of experimental mechanical characteristics, taking into account the control codes range and the dependence of the propeller torque on the rotational and incoming flow speed. An error estimation of the model calculation in comparison with the results of load tests is given. The results of computational experiments are used to determine the parameters of the AUV MMT-300 propulsion system developed by the IMTP FEB RAS. In the future, the proposed model allows relative pitch, the speed of the oncoming flow, and the positional hydrodynamic characteristics of the underwater vehicle to be determined.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0167495