Design of a fuzzy sliding mode controller for a field oriented induction motor drive

An attempt has been made here to improve the dynamic and steady state performances of the Field Oriented Induction Motor (FOIM) drive. Fuzzy Sliding Mode Controllers (FSMC) and Proportional-cum-Integral (P-I) controllers have been designed separately for both flux loop and speed loop of the FOIM drive system. The performance of the FSMC has been evaluated with respect to the conventional constant gain Proportionalcum-Integral (P-I) controller. The simulation studies demonstrate the superiority of FSMC over the P-I controller.

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