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In this article, we study the leader-following practical attitude consensus problem of a group of multiple uncertain rigid spacecraft systems over jointly connected networks by a distributed event-triggered control law. We first establish a lemma that allows the problem to be converted to a distributed practical stabilization problem of a well-defined uncertain dynamical system. Then, we combine the adaptive distributed observer technique and the adaptive control technique to design an event-triggered adaptive control law and an event-triggered mechanism to solve our problem. The effectiveness of our design is illustrated by a numerical example. [ABSTRACT FROM AUTHOR]

In this article, we study the leader-following consensus problem for multiple Euler–Lagrange (EL) systems with natural damping over static and connected communication networks by a distributed position feedback control law. By combining the adaptive distributed observer for a leader system and the dynamic compensator technique for dealing with a single EL system by position feedback control, we synthesize a distributed position feedback control law and show that this control law solves the leader-following consensus problem for multiple EL systems with natural damping. A numerical example will be used to illustrate our design. [ABSTRACT FROM AUTHOR]