전력전자학회논문지 (The Transactions of the Korean Institute of Power Electronics)

  • 제24권1호
  • /
  • Pages.9-15
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  • 2019
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  • 1229-2214(pISSN)
  • /
  • 2288-6281(eISSN)
전력전자학회 (The Korean Institute of Power Electronics)
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위치 오차 보상을 통한 전동식 슈퍼차저 모터의 모델 기반 센서리스 응답성 개선

Improved Responsiveness of Model-Based Sensorless Control for Electric-Supercharger Motor using an Position Error Compensation

  • Park, Gui-Yeol (Hyundai Wia Co. PT Electric System Development Team) ;
  • Hwang, Yo-Han (Hyundai Wia Co. PT Electric System Development Team) ;
  • Heo, Nam (Hyundai Wia Co. PT Electric System Development Team) ;
  • Lee, Ju (Dept. of Electrical Eng., Hanyang University)
  • 투고 : 2018.08.21
  • 심사 : 2018.10.17
  • 발행 : 2019.02.20
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초록

Sensorless electric superchargers have recently been actively developed to provide a large amount of oxygen to engines in order assist the combustion process for miniaturizing the engines and improving fuel efficiency. The model-based sensorless method for surface-mounted permanent magnet synchronous motors has a disadvantage in that the system may become unstable due to parameter variations in low-speed operation and the rapid-acceleration section. An electric supercharger requires fast response to improve the engine response delay, such as the turbocharger turbo-rack. Therefore, the responsiveness must be improved to use the model-based sensorless system. The position compensation algorithm designed in this study is controlled by converting the position error into the beta, which is the angle formed by the d-axis and the stator current during sudden speed change. In this study, we improved the response of the model-based sensorless system through the algorithm and verified the algorithm validity by applying the algorithm to an actual dual-motor supercharger.

키워드

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Fig. 1. Relationship between d - q and γ - δ reference frames.

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Fig. 2. Control block diagram of PMSM including position sensor fault tolerance control.

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Fig. 3. Sensorless drive simulation at rapid acceleration.

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Fig. 7. Enlargement of waveform with simulation of sensorless drive duration rapid acceleration with position compensation algorithm.

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Fig. 10. Sensorless FOC operation sequence.

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Fig. 8. Test image of high-voltage electric supercharger.

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Fig. 9. Test image of high-voltage dual electric supercharger.

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Fig. 12. Sensorless FOC operation test waveform at rapid acceleration.

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Fig. 13. Enlargement of waveform with sensorless FOC operation test waveform at rapid acceleration.

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Fig. 4. Enlargement of waveform with sensorless drive simulation at rapid acceleration.

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Fig. 5. Position compensation algorithm.

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Fig. 6. Simulation of sensorless drive during rapid acceleration with position compensation algorithm.

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Fig. 11. Sensorless FOC operation test waveform.

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Fig. 14. Sensorless operation test waveform for rapid acceleration with position compensation algorithm.

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Fig. 15. Sensorless operation test enlargement waveform for rapid acceleration with position compensation algorithm.

TABLE I SPECIFICATION FOR DUAL e-SUPERCHARGER

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참고문헌

  1. Y. H. Cho, "Improved sensorless control of interior permanent magnet sensorless motors using an active damping control strategy," MDPI, Energies, Feb. 2016.
  2. S. H. Kim, DC, AC, BLDC motor control, Bogdoo, 2012.
  3. K. W. Lee, “Position sensor fault tolerant control of permanent magnet synchronous generator,” The Transactions of The Korean Institute of Power Electronics, Vol. 16, No. 4, pp. 351-357, Aug. 2011. https://doi.org/10.6113/TKPE.2011.16.4.351
  4. S. Morimoto, K. Kawamoto, M. Sanada, and Y. Takeda, “Sensorless control strategy for salient-pole PMSM based on extended EMF in rotating reference frame,” IEEE Trans. Ind. Appl., Vol. 38, No. 4, pp. 1054-1061, Aug. 2002. https://doi.org/10.1109/TIA.2002.800777
  5. I. K. Won, D. Y. Kim, A. Y. Ko, J. H. Lee, and Y. R. Kim, "A design method of 2D look-up table of IPMSM for electric vehicle," in Annual Conference of the KIPE, pp. 104-105, Jul. 2011.