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An Improved Control Strategy of PMSM Drive System with Integrated Bidirectional DC/DC

Author

Listed:
  • Dongliang Liu

    (College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China)

  • Xinhua Guo

    (College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China)

  • Youjian Lei

    (College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China)

  • Rongkun Wang

    (College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China)

  • Ruipei Chen

    (Xiamen Wise Electrical Technology Co., Ltd., Xiamen 361021, China)

  • Fenyu Chen

    (Xiamen Wise Electrical Technology Co., Ltd., Xiamen 361021, China)

  • Zhongshen Li

    (College of Information Science and Engineering, Huaqiao University, Xiamen 361021, China)

Abstract

With the development of power electronic technology, adding bidirectional DC/DC to the DC side of the motor controller has become an effective way to broaden the speed of motors. However, the motor drive system integrated with bidirectional DC/DC increases the switching loss and current harmonics of the inverter. Therefore, in this paper, a method based on fixed space vector pulse width modulation (SVPWM) modulation index and voltage instruction compensation are proposed, In this method, by considering the back electromotive force of the motor and the security margin of the weak magnetic region, the output voltage command amplitude of the current loop and the limit value of the inverter output is judged, and the optimal inverter input voltage is obtained, which effectively reduces the switching loss of the inverter, broadens the high efficient area of motor operation, and improves the efficiency of the controller. At the same time, the standardized benchmark composed of motor parameters is used to per-nit the permanent magnet synchronous motor (PMSM) mathematical model, which is helpful for the derivation of the formula and dramatically simplifies the calculation amount of the microcontroller. Moreover, the simulation and experimental results prove the effectiveness and feasibility of the algorithm.

Suggested Citation

  • Dongliang Liu & Xinhua Guo & Youjian Lei & Rongkun Wang & Ruipei Chen & Fenyu Chen & Zhongshen Li, 2022. "An Improved Control Strategy of PMSM Drive System with Integrated Bidirectional DC/DC," Energies, MDPI, vol. 15(6), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:6:p:2214-:d:773802
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    References listed on IDEAS

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    1. Chengming Zhang & Qingbo Guo & Liyi Li & Mingyi Wang & Tiecheng Wang, 2017. "System Efficiency Improvement for Electric Vehicles Adopting a Permanent Magnet Synchronous Motor Direct Drive System," Energies, MDPI, vol. 10(12), pages 1-27, December.
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    Cited by:

    1. Yanfei Cao & Shuxin Xiao & Zhichen Lin, 2022. "A Flying Restart Strategy for Position Sensorless PMSM Driven by Quasi-Z-Source Inverter," Energies, MDPI, vol. 15(9), pages 1-15, May.
    2. Marcel Nicola & Claudiu-Ionel Nicola, 2022. "Improvement of Linear and Nonlinear Control for PMSM Using Computational Intelligence and Reinforcement Learning," Mathematics, MDPI, vol. 10(24), pages 1-34, December.

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