This paper studies the energy-saving potentials of tilt-rotor drones under the presence of wind disturbances. Owing to the symmetry of the problem, a mathematical model including simple computational fluid dynamics (CFD) analysis-based aerodynamics is first presented. To deal with the minimum energy problem, a minimum energy super-twisting algorithm (STA) is used for stabilization around any desired pitch angle, while the extremum-seeking approach is employed to calculate the optimal pitch angle to minimize the consumed energy in real-time. Numerical simulation and comparison studies with both a conventional quadrotor and a tilt-quadrotor stabilized at zero pitch angle show that the proposed method exhibits an interesting potential in terms of energy consumption, thus resulting in the possibility for greater flight durations.
Are Tilt Quadrotors More Energy-Efficient Than Conventional Quadrotors? A Preliminary Study
04.06.2024
1049909 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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