  The event-triggered control problem over lossy communication networks is
addressed in this paper. Although packet dropouts have been considered in the
implementation of event-triggered controllers, the assumption of protocols that
employ acknowledgement messages persists. This paper provides an approach that
relaxes such assumption. An event-based controller is implemented at the sensor
node of the networked and uncertain system and it transmits feedback
measurements to the controller node at asynchronous time instants. The
transmitted packets of information are subject to dropouts by the lossy
network. We show that the uncertain system can be asymptotically stabilized,
that a positive minimum inter-event time exists, and that the proposed approach
does not require acknowledgement messages.
