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This work considers the problem of stabilization of first order linear systems subject to a relatively large input-output time delay. As it is known, the stability analysis of this type of systems becomes difficult due to the dead-time term involved. The proposed prediction scheme has a similar structure of a Smith predictor scheme together with a output injection compensation to guarantee predictor...
In this paper a new control methodology is proposed for unstable linear time-delay systems with recycle. For this kind of systems time delays are present in the forward and backward paths increasing control difficulty. The strategy is based on the observation that if some internal system signals were known then it would be possible to remove the backward dynamics. In this way, a controller feedback...
This paper investigates an event condition for event-driven controllers based on Lyapunov functions. Considering that constant values of a Lyapunov function define contour curves that form closed regions around the equilibrium point, in this paper we present a sampling mechanism that enforces job executions (sampling, control algorithm computation and actuation) each time the system trajectory reaches...
This paper presents a preliminary approach to networked control systems (NCS) that relies on an event-driven control method based on Lyapunov sampling. The goal is to study and develop approaches for NCS capable of offering controllers with low bandwidth demands. The paper starts by presenting the theoretical framework required for applying Lyapunov sampling to a set of closed-loop systems that share...
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