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A Lifting Wing Fixed on Multirotor UAVs for Long Flight Ranges

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Document pages: 14 pages

Abstract: This paper presents a lifting-wing multirotor UAV that allows long-rangeflight. The UAV features a lifting wing in a special mounting angle that workstogether with rotors to supply lift when it flies forward, achieving areduction in energy consumption and improvement of flight range compared totraditional multirotor UAVs. Its dynamic model is built according to theclassical multirotor theory and the fixed-wing theory, as the aerodynamics ofits multiple propellers and that of its lifting wing are almost decoupled. Itsdesign takes into consideration aerodynamics, airframe configuration and themounting angle. The performance of the UAV is verified by experiments, whichshow that the lifting wing saves 50.14 of the power when the UAV flies at thecruise speed (15m s).

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