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Direct power control can enhance the dynamic response and robustness of dual active bridge (DAB) converters. This paper proposes a super-twisting sliding mode control strategy (STSMC) based improved direct power control (IDPC) strategy for DAB converters. Meanwhile, a current stress minimization triple phase shift (TPS) strategy is adopted to improve direct power control strategy; and a transient DC bias current suppression method is adopted to ensure a fast-responding current performance in this paper. To overcome the chattering phenomenon of traditional sliding mode, super-twisting sliding mode control is used to enhance the robustness and speed of its output voltage control. Simulation results demonstrate the effectiveness of the proposed STSM-IDPC (Super-Spiral Sliding Mode Control with Improved Direct Power Control) control strategy.

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Super-Twisting Sliding Mode Control Based Improved Direct Power Control of Dual Active Bridge Converter

  • 会议论文

  • 发表日期：

    2026年

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  • Baolong Liu,
  • Wenxia Guo,
  • Kun Wei,
  • Zhaolong Sun,
  • Yuan Li

摘要

Direct power control can enhance the dynamic response and robustness of dual active bridge (DAB) converters. This paper proposes a super-twisting sliding mode control strategy (STSMC) based improved direct power control (IDPC) strategy for DAB converters. Meanwhile, a current stress minimization triple phase shift (TPS) strategy is adopted to improve direct power control strategy; and a transient DC bias current suppression method is adopted to ensure a fast-responding current performance in this paper. To overcome the chattering phenomenon of traditional sliding mode, super-twisting sliding mode control is used to enhance the robustness and speed of its output voltage control. Simulation results demonstrate the effectiveness of the proposed STSM-IDPC (Super-Spiral Sliding Mode Control with Improved Direct Power Control) control strategy.