The Transactions of the Korean Institute of Electrical Engineers B (대한전기학회논문지:전기기기및에너지변환시스템부문B)

The Korean Institute of Electrical Engineers (대한전기학회)
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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

비선형 모델링과 외란 관측기를 이용한 Matrix Converter로 구동되는 유도전동기 센서리스 벡터제어의 성능 개선

  • Kyo-Beum Lee (Institute of Energy Technology, Aalborg University, Denmark)
  • Published : 2004.08.01
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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

References

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