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Distributed Permanent Magnet Direct-Drive Belt Conveyor System and Its Control Strategy

Author

Listed:
  • Qixun Zhou

    (School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

  • Hao Gong

    (School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

  • Guanghui Du

    (School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

  • Yingxing Zhang

    (School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

  • Hucheng He

    (School of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China)

Abstract

The long-distance traditional belt conveyor driven by a single high-power motor has the problems of excessive tension increments and sharp fluctuations in speed and tension. This paper designs a distributed permanent magnet direct drive belt conveyor system. The dynamic model of the conveyor belt unit and the permanent magnet motor is analyzed. The multi-motor ring coupling control strategy and the double sliding film direct torque control strategy of the belt conveyor system are formulated. The mechanical-electrical coupling dynamic model of the belt conveyor system is built. Using MATLAB/Simulink modeling and simulation, the vector control strategy and electromechanical coupling dynamic behavior of the traditional belt conveyor system and the distributed permanent magnet direct drive belt conveyor system under light load start-up and local variable load operation conditions are studied. The results show that: the distributed permanent magnet direct drive belt conveyor system significantly reduces the peak of conveyor belt tension increment; the time spent under the starting light-load operation condition is shorter, and the fluctuation amplitude of speed and tension is smaller; it is possible to reduce the speed and tension fluctuation range of the conveying system and improve the robustness of the conveying system under local variable load conditions. Experiments have verified that increasing the number of drive motors in a conventional belt conveyor can suppress the disturbance caused by local load changes, and the distributed permanent magnet direct-drive belt conveyor has better dynamic regulation performance.

Suggested Citation

  • Qixun Zhou & Hao Gong & Guanghui Du & Yingxing Zhang & Hucheng He, 2022. "Distributed Permanent Magnet Direct-Drive Belt Conveyor System and Its Control Strategy," Energies, MDPI, vol. 15(22), pages 1-18, November.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:22:p:8699-:d:977769
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    References listed on IDEAS

    as
    1. He, Daijie & Pang, Yusong & Lodewijks, Gabriel, 2017. "Green operations of belt conveyors by means of speed control," Applied Energy, Elsevier, vol. 188(C), pages 330-341.
    2. Chunyu Yang & Jinhao Liu & Heng Li & Linna Zhou, 2018. "Energy Modeling and Parameter Identification of Dual-Motor-Driven Belt Conveyors without Speed Sensors," Energies, MDPI, vol. 11(12), pages 1-17, November.
    Full references (including those not matched with items on IDEAS)

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    Cited by:

    1. Wenxiang Zhao & Liang Xu & Bo Wang, 2023. "Multi-Factor Coupling Analysis and Optimization Method for High-Quality Electrical Machine Systems," Energies, MDPI, vol. 16(7), pages 1-3, March.

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