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A Sensorless Control of IPMSM using the Adaptive Back-EMF Estimator and Improved Instantaneous Reactive Power Compensator

적응 역기전력 추정기와 개선된 순시 무효전력 보상기를 이용한 돌극형 영구자석 전동기의 센서리스 제어

  • Lee, Joonmin (Dept. of Electrical and Electronic Engineering, Inha University) ;
  • Hong, Joo-Hoon (Dept. of Electrical and Electronic Engineering, Inha University) ;
  • Kim, Young-Seok (Dept. of Electrical and Electronic Engineering, Inha University)
  • Received : 2015.08.12
  • Accepted : 2016.03.28
  • Published : 2016.05.01

Abstract

This paper propose a sensorless control system of IPMSM with a adaptive back-EMF estimator and improved instantaneous reactive power compensator. A saliency-based back-EMF is estimated by using the adaptive algorithm. The estimated back-EMF is inputted to the phase locked loop(PLL) and the improved instantaneous reactive power(IRP) compensator for estimating the position/speed of the rotor and compensating the error components between the estimated and the actual position, respectively. The stability of the proposed system is achieved through Popov's hyper stability criteria. The validity of proposed algorithm is verified by the simulations and experiments.

Keywords

References

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