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Low Cost Simple Look-Up Table-Based PMSM Drive Considering DC-Link Voltage Variation

Author

Listed:
  • Do-Yun Kim

    (LG Electronics, Incheon KS006, Korea)

  • Jung-Hyo Lee

    (Department of Electrical Engineering, College of Engineering, Kunsan National University, Kunsan KS004, Korea)

Abstract

This paper proposes a permanent magnet synchronous machine (PMSM) table-based torque control method considering a variable DC-link voltage that can be used in a low cost DSP. The current reference generation based on two-dimensional look-up table (2D-LUT) is widely used for PMSM drives used in industrial applications because of its torque control performance and operation stability. In general, a 2D-LUT is established based on the flux and torque to overcome the variation in DC-link voltage. However, this method requires a flux estimator for estimating the instantaneous flux, which is defined as a division of the operating speed used to obtain the flux data. Therefore, to obtain the operating flux, a variable division calculation or complex controller is used, which can be difficult to process through a low cost digital signal processor. In this paper, a novel look-up table-based control method that uses the newly established speed-torque 2D-LUT is proposed. This 2D-LUT inherently implements data on the d -/ q -axis currents throughout the operating regions, not only the speed and torque, but also the DC-link voltage variation. The proposed method was verified through an experiment on the torque control a variation in the DC-link voltage.

Suggested Citation

  • Do-Yun Kim & Jung-Hyo Lee, 2020. "Low Cost Simple Look-Up Table-Based PMSM Drive Considering DC-Link Voltage Variation," Energies, MDPI, vol. 13(15), pages 1-11, July.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:15:p:3904-:d:392496
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    Citations

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    Cited by:

    1. Nuofan Zou & Yan Yan & Tingna Shi & Peng Song, 2021. "Wide Speed Range Operation Strategy of Indirect Matrix Converter–Surface Mounted Permanent Magnet Synchronous Motor Drive," Energies, MDPI, vol. 14(8), pages 1-24, April.
    2. Hyun-Jae Lee & Jin-Geun Shon, 2021. "Improved Voltage Flux-Weakening Strategy of Permanent Magnet Synchronous Motor in High-Speed Operation," Energies, MDPI, vol. 14(22), pages 1-15, November.
    3. Do-Yun Kim & Jung-Hyo Lee, 2021. "Compensation of Interpolation Error for Look-Up Table-Based PMSM Control Method in Maximum Power Control," Energies, MDPI, vol. 14(17), pages 1-16, September.
    4. Hyunjae Lee & Gunbok Lee & Gildong Kim & Jingeun Shon, 2022. "Variable Incremental Controller of Permanent-Magnet Synchronous Motor for Voltage-Based Flux-Weakening Control," Energies, MDPI, vol. 15(15), pages 1-15, August.

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