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Vertical Take-Off and Landing Unmanned Aerial Vehicle Having Foldable Fixed Wing and Based on Twin-Ducted Fan Power System
Vertical Take-Off and Landing Unmanned Aerial Vehicle Having Foldable Fixed Wing and Based on Twin-Ducted Fan Power System
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机译:基于双通道风扇动力系统的可折叠固定翼垂直起降无人机
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摘要
A vertical take-off and landing (VTOL) unmanned aerial vehicle having a foldable fixed wing and a twin-ducted fan power system (7) arranged at a tail portion of a fuselage in a transverse and tail propulsion arrangement provides lift for vertical take-off and landing and propulsion for horizontal flight. By means of deflection of a control servo plane arranged at a duct exit, a vectored thrust is provided to enable a fast attitude change. When the aerial vehicle takes off and lands vertically/flies at a low speed, the wing is folded to reduce the frontal area exposure to crosswind. When the aerial vehicle is flying horizontally, the wing is expanded to obtain larger lift. A Coanda effect is created at a trailing edge of the wing by suction of the duct to improve performance.
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