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H ∞ Mixed Sensitivity Control for a Three-Port Converter

Author

Listed:
  • Jiang You

    (Electrical Engineering Institute, College of Automation, Harbin Engineering University, Harbin 150001, China)

  • Hongsheng Liu

    (Electrical Engineering Institute, College of Automation, Harbin Engineering University, Harbin 150001, China)

  • Bin Fu

    (Department of Robot Engineering, School of Light Industry, Harbin University of Commerce, Harbin 150001, China)

  • Xingyan Xiong

    (Department of Robot Engineering, School of Light Industry, Harbin University of Commerce, Harbin 150001, China)

Abstract

The three-port converter (TPC) obtains major attention due to its power density and ability to dispose different electric powers flexibly. Since the control models of the TPC are derived from particular steady state work point through small signal modeling method, the model parameters usually be deviated from their normal values with the change of operation and load conditions. Furthermore, there are couplings and interactions in power delivery between different ports, which have a significant influence in the dynamic control performance of the system. In this paper, the H ∞ mixed sensitivity method is employed to design robust controllers for a TPC control system. Simulation results are given to demonstrate the effectiveness of the proposed scheme, and experimental studies are conducted on a prototype circuit to further validate the developed method. Compared to a traditional PI controller, it shows that a mixed sensitivity based robust controller manifest balanced performance in model parameters changes attenuation and dynamic control performance.

Suggested Citation

  • Jiang You & Hongsheng Liu & Bin Fu & Xingyan Xiong, 2019. "H ∞ Mixed Sensitivity Control for a Three-Port Converter," Energies, MDPI, vol. 12(12), pages 1-19, June.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:12:p:2231-:d:239006
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    References listed on IDEAS

    as
    1. Jiang You & Mengyan Liao & Hailong Chen & Negareh Ghasemi & Mahinda Vilathgamuwa, 2018. "Disturbance Rejection Control Method for Isolated Three-Port Converter with Virtual Damping," Energies, MDPI, vol. 11(11), pages 1-14, November.
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    Cited by:

    1. Tao Wang & Xiangqian Chen & Qiang Guo & Shan Li, 2022. "Research on the Topology and Control Strategy of a Novel Three-Port Converter," Energies, MDPI, vol. 15(17), pages 1-13, August.

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