Popis: |
Convertible UAVs (Unmanned Aerial Vehicles) associate the capacities of stationary flight, like helicopters, and efficient cruising flight, like airplanes. This duality is usually achieved by a mechanical design that combines several propellers and wings. A large variety of such combinations have been proposed, especially after the Second World War. Thanks to electronic miniaturization, recent years have seen a revival of the research on this topic through convertible MAVs (Micro Air Vehicles). This paper provides an overview of existing structures and associated modeling and feedback control issues. |