Control of Departure and Approach Maneuvers of Tiltwing VTOL Aircraft

Hartmann, Philipp; Schütt, Marten; Moormann, Dieter

doi:10.2514/6.2017-1914

Cited by 3 publications

(1 citation statement)

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“…The first image from left shows ISAE's tilt-body MAVION , 4 which is a good example of a hand-release vertical take-off and afterwards transition to cruise flight concept. The tiltwing demonstrator form RWTH Aachen University, 5 shown second, is capable of vertical take-off by tilting its wing and then transition for an efficient cruise. The DelftaCopter , 6 shown third, uses a helicopter setup, with a single rotor and a swash plate, to control the attitude.…”

Section: Introductionmentioning

confidence: 99%

Development of A Fixed-Wing mini UAV with Transitioning Flight Capability

Bronz

Smeur

Marina

et al. 2017

35th AIAA Applied Aerodynamics Conference

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This study presents the development of the transitioning vehicle Cyclone, which has been specifically designed for meteorological and agricultural applications. The mission requirements demand takeoff and landing from a small area and the ability to cope with high wind speeds. In contrast with recent suggestions, our proposed design aims to be closer to a fixed-wing airplane rather than a rotary wing. In particular, the design focuses on a tiltbody style transitioning vehicle with blown-wing concept. The propeller wing interaction is calculated using a semi-empirical method. The total wing span and wing surface area are decided according to the mission performance requirements. For the control of the vehicle, incremental nonlinear dynamic inversion is used. This control method does not need the modeling of external forces or moments and is able to counteract the strong aerodynamic forces and moments acting on the vehicle through the feedback of its angular acceleration. Together with the design phases and manufacturing process, several test flights are presented. Particular difficulties of the proposed design are discussed, including lack of providing sufficient pitch-up moment and control reversal during descent. The test flights demonstrate the vertical takeoff and landing capabilities of the vehicle, as well as its transitioning into forward flight from hovering, and vice versa, for an efficient mission performance.

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Section: Introductionmentioning

confidence: 99%