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In the present work, a four-pole magnetic bearing has been considered. In this bearing the application of nonlinear control techniques is necessary and therefore, a fuzzy logic controller has been designed for its stable operation. The present design of fuzzy logic controller is done by reducing the number of rules of its rule-base. Simulations have been carried out to test the performance of the controller. The controller is found to be robust as it provides satisfactory operation in the presence of uncertainties.
Date of Conference: 17-19 July 2010