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Direct Torque Control of PWM Inverter-Fed AC Motors—A Survey

IEEE Transactions on Industrial Electronics · 2004 · Vol. 51(4) · pp. 744–757

Giuseppe Buja✉(University of Padua)Marian P. Kaźmierkowski(Warsaw University of Technology)

Abstract

This paper presents a review of recently used direct torque and flux control (DTC) techniques for voltage inverter-fed induction and permanent-magnet synchronous motors. A variety of techniques, different in concept, are described as follows: switching-table-based hysteresis DTC, direct self control, constant-switching-frequency DTC with space-vector modulation (DTC-SVM). Also, trends in the DTC-SVM techniques based on neuro-fuzzy logic controllers are presented. Some oscillograms that illustrate properties of the presented techniques are shown.

Sensorless Control of Electric Motors Electric Motor Design and Analysis Multilevel Inverters and ConvertersDirect torque controlControl theory (sociology)Space vector modulationPulse-width modulationInduction motorInverterVector controlTorqueComputer scienceAC motor

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Recent Advances and Industrial Applications of Multilevel Converters