Integrated flight/thrust vectoring control for jet-powered unmanned aerial vehicles with ACHEON propulsion.
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Integrated Flight Thrust Vectoring ...
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Abstract
As a new alternative to tilting rotors or turbojet vector mechanical oriented nozzles, ACHEON (Aerial CoandaHigh Efficiency Orienting-jet Nozzle) has enormous advantages because it is free of moving elements and highly effective for Vertical/Short-Take-Off and Landing (V/STOL) aircraft. In this paper, an integrated flight/ thrust vectoringcontrol scheme for a jet powered Unmanned Aerial Vehicle (UAV) with an ACHEON nozzle is proposed to assess its suitability in jet aircraft flight applications. Firstly, a simplified Thrust-Vectoring (TV) population model is built based on CFD simulation data and parameter identification. Secondly, this TV propulsion model is embedded as a jet actuatorfor a benchmark fixed-wing ‘Aerosonde’ UAV, and then a four “cascaded-loop” controller, based on nonlinear dynamic inversion (NDI), is designed to individually control the angular rates (in the body frame), attitude angles (in the wind frame), track angles (in the navigation frame), and position (in the earth-centered frame) . Unlike previous research on fixed-wing UAV flight controls or TV controls, our proposed four-cascaded NDI control law can not only coordinatesurface control and TV control as well as an optimization controller, but can also implement an absolute self-position control for the autopilot flight control. Finally, flight simulations in a high-fidelity aerodynamic environment are performed to demonstrate the effectiveness and superiority of our proposed control scheme.Citation
Cen, Z. et al. (2015) 'Integrated flight/thrust vectoring control for jet-powered unmanned aerial vehicles with ACHEON propulsion', Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 229(6), pp. 1057-1075.Publisher
SAGEJournal
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace EngineeringDOI
10.1177/0954410014544179Additional Links
http://journals.sagepub.com/doi/10.1177/0954410014544179Type
ArticleLanguage
enISSN
0954-41002041-3025
ae974a485f413a2113503eed53cd6c53
10.1177/0954410014544179
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