Abstract

This paper addresses the problem of output feedback stabilization of continuous-time networked systems that are also perturbed by persistent external disturbances. An augmented state observer is designed in order to estimate both the state of the system and the external disturbance. Conditions for observability of the augmented system are provided based on the given system parameters. Stabilization of the output feedback networked system is achieved by means of event-triggered control strategies which reduce the number of feedback updates. A strictly positive lower-bound on the inter-event times is also provided which avoids Zeno behavior. Finally, this framework is extended to consider the existence of network induced delays. Similarly, conditions for stability and bounds on the inter-event times are presented.

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