On the robust Popov criterion for interval Lur'e system

The classical Popov criterion is generalized to include problems with parametric uncertainty, as well as nonlinear sector bounded perturbations. The parametric dependence is modeled by an interval plant description. A robust Popov criterion is obtained for a plant-controller configuration. Stronger external results are obtained for a special class of controllers. An example illustrating the numerical implementation of these results is presented.<
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