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Hybrid PWM Control for Regulating the High-Speed Operation of BLDC Motors and Expanding the Current Sensing Range of DC-link Single-Shunt

Author

Listed:
  • Nam Huh

    (Graduate School of Mechanical Engineering, Pusan National University, Busan 46241, Korea)

  • Hyung-Seok Park

    (Department of Electrical Engineering, Pusan National University, Busan 46241, Korea)

  • Man Hyung Lee

    (Graduate School of Mechanical Engineering, Pusan National University, Busan 46241, Korea)

  • Jang-Mok Kim

    (Department of Electrical Engineering, Pusan National University, Busan 46241, Korea)

Abstract

This study developed a hybrid pulse width modulation (PWM) control method intended for use in a high-speed brushless dc (BLDC) motor drive system that uses DC-link single-shunt current measurement. The method is designed to regulate rapid operation and expand the current sensing range of the aforementioned system and measurement, respectively. The operating characteristics of most typical PWM methods for BLDC motors were analyzed, after which, a PWM approach suitable for high-speed operation was identified. On the basis of the selected approach, the measurable range of DC-link single-shunt current was examined mathematically to determine a PWM method that is advantageous for current sensing. The results of the two analyses were used as guidance in formulating the proposed hybrid PWM control algorithm. Finally, the PWM method put forward in this work was verified through experimentation.

Suggested Citation

  • Nam Huh & Hyung-Seok Park & Man Hyung Lee & Jang-Mok Kim, 2019. "Hybrid PWM Control for Regulating the High-Speed Operation of BLDC Motors and Expanding the Current Sensing Range of DC-link Single-Shunt," Energies, MDPI, vol. 12(22), pages 1-13, November.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:22:p:4347-:d:287165
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    Citations

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    Cited by:

    1. Vadim Carev & Jan Roháč & Martin Šipoš & Michal Schmirler, 2021. "A Multilayer Brushless DC Motor for Heavy Lift Drones," Energies, MDPI, vol. 14(9), pages 1-19, April.
    2. Al Faris Habibullah & Seung-Jin Yoon & Thuy Vi Tran & Yubin Kim & Dat Thanh Tran & Kyeong-Hwa Kim, 2022. "The Recent Development of Power Electronics and AC Machine Drive Systems," Energies, MDPI, vol. 15(21), pages 1-8, October.

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