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Performance Improvement of Sensorless Vector Control for Induction Motor Drives Driven By Matrix Converter Using Non-Linearity Compensation and Disturbance Observer  

Kyo-Beum Lee (Institute of Energy Technology, Aalborg University, Denmark)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.53, no.8, 2004 , pp. 500-508 More about this Journal
Abstract
This paper presents a new sensorless vector control system for high performance induction motor drives fed by a matrix converter with non-linearity compensation and disturbance observer. The nonlinear voltage distortion that is caused by commutation delay and on-state voltage drop in switching device is corrected by a new matrix converter modeling. The lumped disturbances such as parameter variation and load disturbance of the system are estimated by the radial basis function network (RBFN). An adaptive observer is also employed to bring better responses at the low speed operation. Experimental results are shown to illustrate the performance of the proposed system.
Keywords
Matrix converter; induction motor; sensorless vector control; non-linearity modeling and disturbance observer;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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