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Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units

Author

Listed:
  • Yu Zou

    (Power Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China)

  • Ka Wai Eric Cheng

    (Power Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong, China)

Abstract

In this study, a new permanent magnet rotary-linear (RotLin) motor is proposed for foldable photovoltaic units. Firstly, the mechanical structure, operation principles and magnetic circuits of the motor are introduced, and a design procedure elaborated the parameters calculation in the linear part and the rotary part. Finite element method (FEM) is used to analyze the magnetic field of the motor, and linear force outputs and torque outputs are obtained. Secondly, a control scheme is designed for the prototype of the motor including the position control and the speed control. The deformation on the mover and the magnetic coupling effect between the linear part and the rotational part are discussed. Finally, experimental results show that this motor can simultaneously realize a linear movement with continuous rotation. The linear poisoning accuracy can achieve 0.4 µm and the angular speed can be controlled with steady errors less than 3 rpm, proving the effectiveness of the proposed RotLin motor.

Suggested Citation

  • Yu Zou & Ka Wai Eric Cheng, 2019. "Design and Control of a Permanent Magnet RotLin Motor for New Foldable Photovoltaic Units," Energies, MDPI, vol. 12(10), pages 1-18, May.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:10:p:1983-:d:233756
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    References listed on IDEAS

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    1. Carlos Morón & Daniel Ferrández & Pablo Saiz & Gabriela Vega & Jorge Pablo Díaz, 2017. "New Prototype of Photovoltaic Solar Tracker Based on Arduino," Energies, MDPI, vol. 10(9), pages 1-13, August.
    2. Hai Wang & Jin Huang & Mengjie Song & Yanxin Hu & Yunfeng Wang & Zijian Lu, 2018. "Simulation and Experimental Study on the Optical Performance of a Fixed-Focus Fresnel Lens Solar Concentrator Using Polar-Axis Tracking," Energies, MDPI, vol. 11(4), pages 1-16, April.
    3. Wei Wu & Jikai Si & Haichao Feng & Zhiping Cheng & Yihua Hu & Chun Gan, 2019. "Rotor Eddy Current Loss Calculation of a 2DoF Direct-Drive Induction Motor," Energies, MDPI, vol. 12(6), pages 1-17, March.
    4. Thanh Tuan Pham & Ngoc Hai Vu & Seoyong Shin, 2019. "Novel Design of Primary Optical Elements Based on a Linear Fresnel Lens for Concentrator Photovoltaic Technology," Energies, MDPI, vol. 12(7), pages 1-20, March.
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    Cited by:

    1. Xiaoshu Zan & Ning Wu & Ruidong Xu & Mingliang Cui & Zhikai Jiang & Kai Ni & Mohammed Alkahtani, 2019. "Design and Analysis of a Novel Converter Topology for Photovoltaic Pumps Based on Switched Reluctance Motor," Energies, MDPI, vol. 12(13), pages 1-17, July.

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