This paper studies the formation tracking problem for a multi-agent system composed by a set of quadrotor UAVs. Parrot AR.Drone 2.0 quadrotors are used as the agents of the system. The proposed control strategy is designed using a time- varying version of the backstepping technique for each agent. For the implementation of the control law, it is assumed that each agent only measures the leader and its own positions, while the leader also knows the desired trajectory the system must follow. Linear and angular velocities of the agents are estimated using suitable Luenberger observers. The proposed control strategy allows the leader agent to converge asymptotically to a predetermined flight trajectory while the follower agents converge asymptotically to their own trajectories defined by the leader position and a constant formation vector. The theoretical results are validated through real-time experiments.


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    Title :

    Observer-based time-varying backstepping control for a quadrotor multi-agent system




    Publication date :

    2017-06-01


    Size :

    1730713 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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