A robust integrator algorithm with genetic based fuzzy controller feedback for direct vector control |
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Authors: | Erhan Ak?n Author VitaeMehmet Kaya Author Vitae Mehmet KarakoseAuthor Vitae |
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Affiliation: | Department of Computer Engineering, Firat University, Computer Engineering Institution, 23119 Elazig, Turkey |
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Abstract: | The voltage model used for direct vector control has in the flux calculation process an open integration problem, which is generally solved with a feedback loop. In this paper, a new design method is developed for the feedback loop of the integrator. The method, as apart from standards in the literature, uses a fuzzy controller. Fuzzy controllers are knowledge-based systems that include fuzzy rules and fuzzy membership functions to incorporate human knowledge into their knowledge base. The determination of these rules and membership functions is one the key problems when designing fuzzy controllers, and is generally affected by subjective decisions. In this study, a fuzzy controller with rules and membership functions determined by genetic algorithms (GAs) in this study is designed and tested on various motors of different power ratings. The proposed method is simulated by using MATLAB/SIMULINK and implemented on an experimental system using a TMS320C31 digital signal processor. |
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Keywords: | Vector control Flux estimation Fuzzy controller Genetic algorithm Induction motor |
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