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Leader-following Event-triggered Practical Consensus with Disturbance Rejection of Multiple Uncertain Spacecraft Systems over Switching Networks

This paper studies the leader-following practical consensus with disturbance rejection problem of a group of rigid spacecraft systems with uncertain inertia matrices, which extends our previous work by further considering disturbance rejection. Like our previous results, we use the adaptive distributed observer technique to handle switching communication constraints. To handle the disturbance, we further adopt the internal model approach to convert our problem into a practical stabilization problem of an augmented system. Specific effort is made on designing an event-triggered control law with an event-triggered mechanism that avoids the Zeno phenomenon.