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Research on Global Backflow Power Optimization of Dual Active Bridge DC-DC Converter Based on Super Twisting Sliding Mode Control
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Jian ZHONG, Weide GUAN  Member, CPSS, Junjie LU, Peiling JIANG, Xuhong WANG, Xiangyang XIA
Journal of Power Supply | 2026, 24(8) : 54 - 64
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Journal of Power Supply | 2026, 24(8): 54-64
• Power Converter Modeling and Control •
Research on Global Backflow Power Optimization of Dual Active Bridge DC-DC Converter Based on Super Twisting Sliding Mode Control
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Jian ZHONG, Weide GUAN  Member, CPSS, Junjie LU, Peiling JIANG, Xuhong WANG, Xiangyang XIA
Affiliations
  • School of Electrical and Information Engineering, Changsha University of Science and Technology, Changsha 410114, China
Published: 2026-08-30 doi: 10.13234/j.issn.2095-2805.2026.8.54
Outline
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Aimed at the problem of high backflow power in dual active bridge (DAB) converters under single phase shift modulation, a global backflow power optimization scheme based on dual phase shift modulation and super twisting sliding mode control is proposed. First, the characteristics of a DAB converter in four working modes under dual phase shift modulation are analyzed, a mathematical model is established, and the calculation formulas for the converter’s transmission power and backflow power are derived. Then, an optimization analysis is performed on the backflow power in each of the four working modes, so as to obtain the optimal phase shift ratio combination that produces the minimum backflow power in the global mode. Third, a super twisting sliding mode control algorithm is introduced based on a reduced order model of the DAB converter to further improve the static and dynamic performance of the system. Finally, an experimental comparison was conducted on an OP4512 semi-physical simulation platform based on OPAL-RT, and experimental results verified the effectiveness of the proposed optimization scheme.

Dual active bridge (DAB) converter  /  dual phase shift control  /  backflow power  /  global mode
钟健, 关维德中国电源学会会员, 陆俊杰, 蒋配玲, 王旭红, 夏向阳. 基于超螺旋滑模控制的双有源桥DC-DC变换器全局回流功率优化研究. 电源学报, 2026 , 24 (8) : 54 -64 . DOI: 10.13234/j.issn.2095-2805.2026.8.54
Jian ZHONG, Weide GUAN, Junjie LU, Peiling JIANG, Xuhong WANG, Xiangyang XIA. Research on Global Backflow Power Optimization of Dual Active Bridge DC-DC Converter Based on Super Twisting Sliding Mode Control[J]. Journal of Power Supply, 2026 , 24 (8) : 54 -64 . DOI: 10.13234/j.issn.2095-2805.2026.8.54
Funding
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  • Hunan Provincial Department of Education Scientific Research Project(22A0213)
Appendix
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Year 2026 volume 24 Issue 8
43
9
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.8.54
  • Receive Date：2024-07-08
  • Online Date：2026-10-29
  • Published：2026-08-30
Article Data
Affiliations
History
  • Received：2024-07-08
  • Revised：2024-09-05
  • Accepted：2024-09-28
Funding
Hunan Provincial Department of Education Scientific Research Project(22A0213)
Affiliations
    School of Electrical and Information Engineering, Changsha University of Science and Technology, Changsha 410114, China
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红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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