Digital multirate control for a class of non-linear singularly perturbed systems

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Abstract
This paper deals with the digital control of a particular class of non-linear singularly perturbed (NLSP) systems. Three distinct multi-rate composite control strategies are discussed. In the first case, it is assumed that measurements of the slow and fast variables are scheduled at the same fast sampling period ndelta. Then, multi-rate measurements are considered and two different strategies are presented. The paper ends with an academic example and simulations.