This paper mainly addresses the formation control problem for a group of tail-sitters in transition flight between forward and vertical flight. A robust formation control method is proposed to achieve the aggressive time-varying formation subject to nonlinear dynamics and uncertainties. For each tail-sitter, the proposed control method results in a composite controller that includes a trajectory tracking controller and an attitude controller to achieve the translational and rotational motion control, respectively. It is proven that tracking errors of the proposed global closed-loop system can converge to a given neighborhood around the origin in a finite time. Finally, the simulation studies for multiple tail-sitters to accomplish the time-varying formation in transition flight are presented to show the effectiveness of the proposed control strategy.
Robust Time-Varying Formation Control for Tail-Sitters in Flight Mode Transitions
Deyuan Liu,Hao Liu,F. Lewis,K. Valavanis
Published 2021 in IEEE Transactions on Systems, Man, and Cybernetics: Systems
ABSTRACT
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- Publication year
2021
- Venue
IEEE Transactions on Systems, Man, and Cybernetics: Systems
- Publication date
2021-07-01
- Fields of study
Mathematics, Computer Science, Engineering
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