Sensorless sliding-mode control of induction motors
Zhang Yan
Changxi Jin
Utkin, V.
Dept. of Electr. Eng., Ohio State Univ., Columbus, OH, USA;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Dec 2000
Volume: 47,
Issue: 6
On page(s): 1286- 1297
ISSN: 0278-0046
INSPEC Accession Number: 6784964
Digital Object Identifier: 10.1109/41.887957
Current Version Published: 2002-08-06
Abstract
This paper develops the ideas of speed- and flux-sensorless sliding-mode control for an induction motor illustrated in previous work by one of the authors. A sliding-mode observer/controller is proposed in this paper. The convergence of the nonlinear time-varying observer along with the asymptotic stability of the controller is analyzed. Pulsewidth modulation implementation using sliding-mode concepts is also discussed. Major attention is paid to torque control, and then the developed approach is utilized for speed control. Computer simulations and experiments have been carried out to test the proposed estimation and control algorithm. The experimental results demonstrated high efficiency of the proposed estimation and control method.
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