Tracking control for multi-agent consensus with an active leader and variable topology.

*(English)*Zbl 1117.93300Summary: We consider a multi-agent consensus problem with an active leader and variable interconnection topology. The state of the considered leader not only keeps changing but also may not be measured. To track such a leader, a neighbor-based local controller together with a neighbor-based state-estimation rule is given for each autonomous agent. Then we prove that, with the proposed control scheme, each agent can follow the leader if the (acceleration) input of the active leader is known, and the tracking error is estimated if the input of the leader is unknown.

##### MSC:

93A13 | Hierarchical systems |

93D05 | Lyapunov and other classical stabilities (Lagrange, Poisson, \(L^p, l^p\), etc.) in control theory |

93B52 | Feedback control |

93C15 | Control/observation systems governed by ordinary differential equations |

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\textit{Y. Hong} et al., Automatica 42, No. 7, 1177--1182 (2006; Zbl 1117.93300)

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