An advanced modified sliding mode control for a rotor field induction motor is proposed. The application of this unconventional control has very good results, such a disturbance rejection and nice dynamic properties. Stability can be guaranteed even in the worst situation. A conventional sliding mode controller is characterised by fast switching control signals which increase the solicitation of the drive system. To overcome this problem, a modified law is used by introducing a hysteresis band and a continuous control which modifies the conventional law. The control is accomplished with a dual TSM320C44 floating-point digital signal processor. The validity of the proposed method was verified by experiment on the propulsion system simulator used for the development of the Korean High-Speed Railway Train (KHSRT).
Variable speed drives of induction motor for traction application with modified sliding mode control
2002
6 Seiten, 11 Bilder, 1 Tabelle, 11 Quellen
Aufsatz (Konferenz)
Englisch
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