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Sliding Mode Predictive Current Control for Single-Phase H-Bridge Converter with Parameter Robustness

Author

Listed:
  • Wei Zheng

    (School of Electrical Engineering, Naval University of Engineering, Wuhan 430033, China)

  • Zhaolong Sun

    (School of Electrical Engineering, Naval University of Engineering, Wuhan 430033, China)

  • Baolong Liu

    (School of Electrical Engineering, Naval University of Engineering, Wuhan 430033, China)

Abstract

As the important technology of renewable energy systems, power electronics technology is directly bound up with the prospect and development of renewable energy technology. As the output end of renewable energy systems, a single-phase H-bridge converter needs to stabilize the output current. When predictive current control (PCC) tracks the reference current, the dynamic response is the fastest, but the control delay and the changes in model parameters will cause the output current steady-state error. The sliding mode predictive current control (SMPCC) algorithm is proposed to control the output current better. The proposed SMPCC scheme uses the combination of traditional PCC and variable structure scheme, and it establishes the mathematical model according to the state equation of the converter. Taking the exponential reaching law as control law, the expression of the variable structure controller is obtained. The MATLAB experimental and simulation results show that SMPCC can not only improve its robustness to the parameter changes but also obtain better steady-state performance while enhancing the rapidity of the current changes. In conclusion, SMPCC has a better control effect in the converter.

Suggested Citation

  • Wei Zheng & Zhaolong Sun & Baolong Liu, 2023. "Sliding Mode Predictive Current Control for Single-Phase H-Bridge Converter with Parameter Robustness," Energies, MDPI, vol. 16(2), pages 1-16, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:2:p:781-:d:1030348
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    References listed on IDEAS

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    1. Thi Thu Em Vo & Hyeyoung Ko & Junho Huh & Namje Park, 2021. "Overview of Possibilities of Solar Floating Photovoltaic Systems in the OffShore Industry," Energies, MDPI, vol. 14(21), pages 1-30, October.
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