Distributed cooperative control for multiple quadrotor systems via dynamic surface control
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This paper addresses the cooperative control problems of multiple quadrotor systems under fixed directed communication topologies. Dynamic surface control (DSC) is utilized to design nonlinear consensus controllers to make multiple quadrotors construct and keep a formation during flying. The control scheme is distributed so that each quadrotor updates the values of its information states based on the information states of its neighbors and its own states. Moreover, the leader–follower case is also discussed. In this case, distributed continuous schemes are also proposed with distributed sliding-mode observers, whose function is to estimate two linear combinations of the leader’s velocity and acceleration accurately in finite time. Finally, the effectiveness of the theoretical results is demonstrated via two examples.
KeywordsQuadrotors Consensus Nonlinear control Dynamic surface control Trajectory tracking
This work was supported by the National Natural Science Foundation of P.R. China under Grant 61074031 and the Program for Changjiang Scholars and Innovative Research Team in University under Grant IRT1208.
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