Journal
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
Volume 42, Issue 3, Pages 694-701Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2006.872919
Keywords
induction-motor drive; sensorless field-oriented (SFO) control; sliding mode; wasbing-machine drives
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Sensorless direct field-oriented (SDFO) control of three-phase induction motors based on sliding mode has been studied and applied to domestic washing-machine drives. In this paper, three related techniques, sliding-mode flux observer, sliding-mode speed controller, and direct rotor-speed estimator are presented for the application of SDFO sliding mode in induction-motor control system. Specifically, the investigations focus on how improving speed regulation, system robustness, and some special technical issues in washing-machine drives. The complete control schemes have been developed and implemented in a low-cost digital signal. processor-based electronic controller. Through a variety of system performance validation tests, it has been proved that the developed SDFO control not only achieves satisfied steady as well as a dynamic performance, but also is robust for washing-machine driving applications.
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