Design of a novel adaptive TSK-fuzzy speed controller for use in direct torque control induction motor drives |
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| Affiliation: | 1. Centre Tecnologic de Telecomunicacions de Catalunya (CTTC), 08860, Castelldefels, Spain;2. University of Zaragoza, 50018 Zaragoza, Spain;3. Aragon Photonics Labs S.L., 50009 Zaragoza, Spain;1. Center for Neurological Restoration, Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA;2. Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA;3. Department of Biomedical Engineering, Cleveland Clinic, Cleveland, OH 44195, USA;1. Division of Vascular Surgery, Department of Surgical Sciences, University of Turin, Città della Salute e della Scienza, Torino, Italy;2. Division of Radiology, Department of Surgical Sciences, University of Turin, Città della Salute e della Scienza, Torino, Italy;1. Université du Québec en Outaouais, 101 Saint-Jean-Bosco, Gatineau, QC J8X 3X7, Canada;2. University of Ottawa, 800 King Edward, Ottawa, ON K1N 6N5, Canada |
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| Abstract: | This study proposes an adaptive Takagi-Sugeno-Kang-fuzzy (TSK-fuzzy) speed controller (ATFSC) for use in direct torque control (DTC) induction motor (IM) drives to improve their dynamic responses. The proposed controller consists of the TSK-fuzzy controller, which is used to approximate an ideal control law, and a compensated controller, which is constructed to compensate for the difference between the TSK-fuzzy controller and the ideal control law. Parameter variations and external load disturbances were considered during the design phase to ensure the robustness of the proposed scheme. The parameters of the TSK-fuzzy controller were adjusted online based on the adaptive rules derived in Lyapunov stability theory. The ATFSC, fuzzy control, and PI control schemes were experimentally investigated, using the root mean square error (RMSE) performance index to evaluate each scheme. The robustness of the proposed ATFSC was verified using simulations and experiments, which involved varying parameters and external load disturbances. The experimental results indicate that the ATFSC scheme outperformed the other control schemes. |
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| Keywords: | Direct torque control Speed control Online turning Lyapunov stability |
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