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A Novel Fuzzy PI Control Method for Variable Frequency Brushless Synchronous Generators

Author

Listed:
  • Yongjie Wang

    (Center for More-Electronic-Aircraft Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

  • Huizhen Wang

    (Center for More-Electronic-Aircraft Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

  • Weifeng Liu

    (Center for More-Electronic-Aircraft Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

  • Qin Wang

    (Center for More-Electronic-Aircraft Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 211006, China)

Abstract

With the application of more electric aircraft (MEA) technology, variable frequencies and high power ratings become import features of aero-generators. The brushless synchronous generator, which has a three-stage structure, is the most commonly used type of aero-generator. Due to the variation of operating conditions, the implementation of generator controllers becomes more and more difficult. In this paper, a state space model of a generator is derived and the influence of different operating conditions on the frequency response characteristics of the generator is revealed. Based on a fuzzy PI controller, an additional fuzzy logic controller is applied to modify the PI parameters of the voltage loop by introducing the generator speed to cope with the speed variation. Finally, the results of the simulations and experiments demonstrate that the dual fuzzy PI controller can improve both the steady-state and dynamic performance of the brushless synchronous generator, verifying the previous theoretical study.

Suggested Citation

  • Yongjie Wang & Huizhen Wang & Weifeng Liu & Qin Wang, 2021. "A Novel Fuzzy PI Control Method for Variable Frequency Brushless Synchronous Generators," Energies, MDPI, vol. 14(23), pages 1-19, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:23:p:7950-:d:689809
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    References listed on IDEAS

    as
    1. Weilin Li & Yang Yang & Xiaobin Zhang, 2018. "Digital Generator Control Unit Design for a Variable Frequency Synchronous Generator in MEA," Energies, MDPI, vol. 11(1), pages 1-17, January.
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    Cited by:

    1. Yongjie Wang & Huizhen Wang & Weifeng Liu & Qin Wang & Xing Zhao, 2022. "Design Method for Variable Frequency Brushless Synchronous Generators," Energies, MDPI, vol. 15(8), pages 1-20, April.

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