전기학회논문지 (The Transactions of The Korean Institute of Electrical Engineers)

  • 제66권2호
  • /
  • Pages.339-346
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  • 2017
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  • 1975-8359(pISSN)
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  • 2287-4364(eISSN)
대한전기학회 (The Korean Institute of Electrical Engineers)
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향상된 전차원 자속 관측기를 이용한 매입형 영구자석 동기 전동기의 넓은 영역 센서리스 속도제어 알고리즘 기법

Sensorless Speed Control Algorithm of IPMSM for Wide Speed Range with an Improved Full-Order Flux Observer

  • Kang, Seong Yun (Dept. of Electrical and Computer Engineering, Ajou University) ;
  • Yoon, Jae Seung (Dept. of Electrical and Computer Engineering, Ajou University) ;
  • Shin, Hye Ung (Dept. of Electrical and Computer Engineering, Ajou University) ;
  • Lee, Kyo-Beum (Dept. of Electrical and Computer Engineering, Ajou University)
  • 투고 : 2016.08.16
  • 심사 : 2017.01.16
  • 발행 : 2017.02.01
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초록

This paper proposes a sensorless control method to improve the performance of an internal permanent magnet synchronous motor (IPMSM) control by using a full-order flux observer in a wide speed range. The conventional sensorless control method uses a constant gain for high performance at low-speed region. However, this method has drawbacks such as an increased angle error and current ripple in the high-speed region due to the fixed gain value. In order to overcome this problem, the gain of the full-order flux observer is changed by considering the angle error in the whole speed range. The proposed method minimizes the angle error for each region of the speed range by applying a relevant gain value, which improves the current ripple reduction and motor noise cancellation. The validity of proposed sensorless control method is verified by a simulation and an experiment.

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참고문헌

  1. S. J. Lee, T. W. Kim, and W. S. Kim, M. G. Kim, and Y. S Jung, "Performance Improvement of Sensorless Control of IPMSM Using Active Flux Concept by Improved Current Estimators," The Transactions of the Korean Institute of Power Electronics, Vol. 18, No. 6, pp. 587-592, Dec. 2013. https://doi.org/10.6113/TKPE.2013.18.6.587
  2. S. C. Lee and Y. S. Jung, "Study on Speed Ripple Reduction Algorithm in Sensorless Controlled IPMSM," The Transactions of the Korean Institute of Power Electronics, Vol. 21, No. 3, pp. 249-253, Jun. 2016. https://doi.org/10.6113/TKPE.2016.21.3.249
  3. J. C. Lee and D. H. Chung, "Sensorless Vector Control for High Performance Drive of IPMSM," The Transactions of the Korean Institute of Electrical Engineers, Vol. 51, No. 3, pp. 126-131, 2002.
  4. K. G. Lee, J. S. Lee, and K. B. Lee, "Sensorless Speed Control for PMSM Using an Improved Full-Order Flux Observer," The Transactions of the Korean Institute of Power Electronics, Vol. 18, No. 6, pp. 565-572, Dec. 2013. https://doi.org/10.6113/TKPE.2013.18.6.565
  5. K. B. Lee, "Electric Motor Control," Hantee media.
  6. A. Matsumoto, M. Hasegawa, M. Tomita, and K. Matsui, "Algebraic Design of Full-Order Flux Observer for IPMSM Position Sensorless Control," In 2011 IEEE International Electric Machines & Drives Conference (IEMDC), pp. 1276-1281, 2011.
  7. K. G. Lee, J. S. Lee, and K. B. Lee, "Wide-Range Sensorless Control for SPMSM Using an Improved Full-Order Flux Observer," Journal of Power Electronics, Vol. 15, No. 3, pp. 721-729, May. 2015. https://doi.org/10.6113/JPE.2015.15.3.721
  8. J. H. Lee, J. H. Lee, J. H. Park, and C. H. Won "Field-Weakening Strategy in Condition of DC-Link Voltage Variation Using on Electric Vehicle of IPMSM," In 2011 IEEE-Conference Electrical Machines and Systems (ICEMS), pp. 1-6, Aug. 2011.