Mathematical modeling and synthesis of optimal group high-altitude flight of unmanned aerial vehicles


Аuthors

Huseynov O. A.1, Guliyev F. F.2

1. National Aerospace Agency of Azerbaijan Republic, NASA, Baku, 8th mkr., Suleiman Sani Akhundov 1
2. Jihaz Production Association,

Abstract

One of the most important missions carried out with the help of UAVs is intelligence activities carried out in order to detect and identify objects of special interest. Increasing the efficiency, speed and efficiency of this mission can be achieved by organizing group flights of UAVs. At the same time, the reconnaissance activities of the UAV group must be carried out unnoticed by external observers and to fulfill this requirement, the UAV group must fly at high altitudes using highly sensitive reconnaissance equipment. High-altitude flights allow you to expand the coverage area of the explored area, which is an additional advantage of high-altitude flights. At the same time, when organizing high-altitude UAV flights, atmospheric conditions affecting aircraft should be taken into account, for example, factors such as temperature, pressure and air density. It is well known that air density depends on factors such as altitude, temperature, air pressure and relative humidity. The problem of mathematical modeling, optimization of the model and synthesis of the mode of operation of a group high-altitude flight of a UAV is formulated and solved in the sense of finding the minimum value of air density at which a group flight of a UAV is possible with an optimal relationship between the diameter of the propeller (screw) of the UAV and the torque. Calculating the functional dependence between these indicators, at which flight is possible at a certain altitude, allows you to determine those altitude intervals of UAV flights that correspond to the values of r_sr calculated from the specified intervals of torque values.

Keywords:

mathematical modeling, optimization, torque, UAV, group flight

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