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Electromagnetic and Thermal Analysis of a Permanent Magnet Motor Considering the Effect of Articulated Robot Link

Author

Listed:
  • Phuong Thi Luu

    (R&D Center, Higen Motor Co., Ltd., Changwon 51555, Korea
    Energy and Power Conversion Engineering, University of Science & Technology, Daejeon 34113, Korea)

  • Ji-Young Lee

    (Energy and Power Conversion Engineering, University of Science & Technology, Daejeon 34113, Korea
    Electric Machines and Drives Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Ji-Heon Lee

    (Electric Machines and Drives Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

  • Jung-Woo Park

    (Electric Machines and Drives Research Center, Korea Electrotechnology Research Institute, Changwon 51543, Korea)

Abstract

This paper presents the electromagnetic and thermal characteristics of a permanent magnet synchronous motor (PMSM) in a joint actuator which is used for articulated robot application. In an attempt to design a compact PMSM for the articulated robot, robot link should be taken into consideration during the motor design process as it can reduce the temperature distribution on motor, thus reducing the volume of the motor. A lumped-parameter thermal model of PMSM with and without a link is proposed considering the core loss, copper loss, and mechanical loss as heat sources. The electromagnetic and thermal analysis results are well confirmed by the experiment in a 400 W 20-pole/24-slot PMSM. The experiment results show that the robot link helps to reduce the motor end-winding temperature by about 40%, and this leads to an increase in power density of the motor.

Suggested Citation

  • Phuong Thi Luu & Ji-Young Lee & Ji-Heon Lee & Jung-Woo Park, 2020. "Electromagnetic and Thermal Analysis of a Permanent Magnet Motor Considering the Effect of Articulated Robot Link," Energies, MDPI, vol. 13(12), pages 1-10, June.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:12:p:3239-:d:375003
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    Cited by:

    1. Ji-Heon Lee & Ji-Young Lee & Phuong Thi Luu & Tung Khanh Nguyen, 2021. "Design of the Joint Motor for an Articulated Robot Considering Joint Load Characteristics," Energies, MDPI, vol. 14(20), pages 1-16, October.

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