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Sensorless Speed Control of PMSM Based on Novel Adaptive Control with Compensated Parameters

새로운 보상 파라미터를 가지는 적응제어 기반 영구자석 동기전동기의 센서리스 속도제어

  • Nam, Kee-Hyun (Dept. of Electrical Engineering, Graduate School, Pusan National Univ.) ;
  • Kwon, Young-Ahn (Dept. of Electrical Engineering, Pusan National Univ.)
  • 남기현 (부산대 대학원 전자전기공학과) ;
  • 권영안 (부산대 공대 전기공학과)
  • Received : 2012.12.21
  • Accepted : 2013.05.30
  • Published : 2013.07.01

Abstract

Recently, sensorless controls, which eliminate position and speed sensor in a permanent magnet synchronous motor drive, have been much studied. Most sensorless control algorithms are based on the back-EMF and speed estimations which are obtained from the voltage equations. Therefore, the sensorless control performance is largely affected by the parameter errors of a motor. This paper investigates a novel adaptive control with the parameter error compensation for the speed sensorless control of a permanent magnet synchronous motor. The proposed parameter estimation is obtained from the d-axis current error between the real and estimated currents. The proposed algorithm is verified through the simulation and experimentation.

Keywords

References

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