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In this paper, a robust software sensor with online estimation of stator resistance applied to a wind energy conversion system (WECS) using an induction machine (IM) was developed. The mechanical speed control requires a specific estimation of the flux which is dependent on the IM stator resistance. As a consequence, this estimation may face some problems because of the stator resistance variation...
In the context of a more detailed knowledge of nonlinear observers, we become interested in studying the behavior of the speed error of the induction machines for various function regimes. The aim of this work is the comparison between two types of observers applied to the induction machine to allow the proper selection of the solution. The observers selected are the adaptive observer and the interconnected...
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