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<p>To improve the dynamic response speed and anti-interference performance when the load of a system changes, an improved sliding mode linear active disturbance rejection control (SLADRC) strategy for the Vienna rectifier is proposed in this paper. The improved sliding mode control is used to replace the linear feedback control rate in linear auto disturbance rejection control, and as the voltage outer loop of the system. Then the stability of the voltage outer loop is analyzed and the design method of the improved sliding mode linear active disturbance rejection control strategy is given. When compared to traditional linear active disturbance rejection control (LADRC), the improved sliding mode linear active disturbance rejection control has better system stability, and improved dynamic performance and anti-interference capability. An experimental system with an output power of 500 W was set up to verify the correctness and effectiveness of the theoretical analysis.</p>

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Vienna rectifier control strategy based on improved sliding mode active disturbance rejection

  • 期刊论文

  • 发表日期：

    2025年2月10日

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  • Fanrong Meng,
  • Jinshuo Liu,
  • Jingfang Wang,
  • Yuchao Liu,
  • Lingfei Wang

摘要

To improve the dynamic response speed and anti-interference performance when the load of a system changes, an improved sliding mode linear active disturbance rejection control (SLADRC) strategy for the Vienna rectifier is proposed in this paper. The improved sliding mode control is used to replace the linear feedback control rate in linear auto disturbance rejection control, and as the voltage outer loop of the system. Then the stability of the voltage outer loop is analyzed and the design method of the improved sliding mode linear active disturbance rejection control strategy is given. When compared to traditional linear active disturbance rejection control (LADRC), the improved sliding mode linear active disturbance rejection control has better system stability, and improved dynamic performance and anti-interference capability. An experimental system with an output power of 500 W was set up to verify the correctness and effectiveness of the theoretical analysis.