Distributed formation tracking using local coordinate systems

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This paper studies the formation tracking problem for multi-agent systems, for which a distributed estimator–controller scheme is designed relying only on the agents’ local coordinate systems such that the centroid of the controlled formation tracks a given trajectory. By introducing a gradient descent term into the estimator, the explicit knowledge of the bound of the agents’ speed is not necessary in contrast to existing works, and each agent is able to compute the centroid of the whole formation in finite time. Then, based on the centroid estimation, a distributed control algorithm is proposed to render the formation tracking and stabilization errors to converge to zero, respectively. Finally, numerical simulations are carried to validate our proposed framework for solving the formation tracking problem.

SprogEngelsk
TidsskriftSystems and Control Letters
Vol/bind111
Sidetal (fra-til)70-78
Antal sider9
ISSN0167-6911
DOI
StatusUdgivet - 1 jan. 2018