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Article title ANALYSIS OF THE INFLUENCE OF VARIATIONS IN THE EFFICIENCY OF THE PROPULSION INSTALLATION ON ACCURACY OF CALCULATION OF THE MOVEMENT RANGE AUTONOMOUS UNDERWATER VEHICLE
Authors V.V. Kostenko, D.N. Mikhailov
Section SECTION II. MARINE ROBOTICS
Month, Year 01, 2016 @en
Index UDC 629.127
DOI
Abstract The article presents the results of research aimed at improving the performance characteristics of autonomous underwater vehicle due to a more precise determination of the range of battery life course and time at the stage of the product"s technical design. Known calculation method that allows to determine the parameters of autonomy of autonomous underwater vehicle (AUV) with the assumptions of the constancy of the coefficients of performance (COP) of the electric propeller and propeller. In practice the propeller efficiency constant step will depend on the speed and travel speed relative to the AUV water. The efficiency of the propeller electric drive is also not constant and depends on the rotational speed and the shaft torque load. The purpose of this article is to develop a method for calculating the adjusted autonomous underwater vehicle, taking into account the changing efficiencies propulsion components throughout the range of travel speeds. To this end, an assessment drag AUV, the parameters of the propeller of constant pitch propulsion propeller, obtained during load tests characteristics of the electric propulsion thruster and calculated pas parameters of operating autonomy AUV. A comparative analysis of different approaches to the calculation of the parameters of autonomy CHECK den on the example of the experimental sample of small-size unmanned underwater vehicles designed IMTP FEB RAS. As a result of the method of calculation, which allows more accurately determine battery life and range AUV stroke. Revealed values in the calculation errors of a simplified range of speed and battery unit.

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Keywords Autonomous underwater vehicle; travel range; battery power consumption of an autonomous power supply; the rate of economy-foot stroke; electric propulsion; the hydrodynamic characteristics of AUV and move-enforcement and steering system; the efficiency; accuracy of calculation of the parameters of autonomy.
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