STOL (short take off and landing) unmanned aerial vehicle with unpowered-driven rotor wing
A short-range take-off and landing, unmanned aerial vehicle technology, applied in the directions of rotorcraft, motor vehicles, aircraft, etc., can solve the problems of difficult to accurately control the landing site, complex structure of rotor-type unmanned aerial vehicles, and limited use range of unmanned aerial vehicles, etc. Achieve the effect of enhancing the lateral heading stability, reducing the interference resistance of the wing body, and increasing the lateral heading stability
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[0041] The embodiment of the present invention is described more specifically below by two examples:
example 1
[0042] Example 1, long-distance mission flight in complex environment area
[0043] Complex terrains in complex environments require UAVs to have short-distance take-off and landing capabilities. The UAV pre-rotates the rotor before take-off through the rotor pre-rotation device, which can realize short-distance take-off or even fixed-point jump take-off; The landing speed is greatly reduced, and the landing roll distance is greatly shortened.
[0044] At the same time, the UAV adopts an overall layout with rotors, propellers, wings and empennages. Such a layout makes the flight speed faster, the range longer, and the flight envelope larger. Compared with unmanned helicopters, the UAV has a faster flight speed and a longer range.
[0045] Therefore, the UAV is very suitable for performing long-distance flight missions in complex environmental areas.
example 2
[0046] Example 2: Emergency and safe landing in an emergency
[0047] In the event of an emergency during flight, such as engine shutdown, severe damage to the wing or fuselage structure, since the UAV’s rotor and engine have no transmission connection, the rotor is always in a self-rotating state relying on the blowing from the front, so once it happens In case of emergency, the UAV can directly rely on the rotor to rotate and glide to land, so as to avoid the loss of property and equipment caused by the crash of the fuselage.
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