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Parameter Optimization Design of CLLLC Bidirectional Resonant Converter Based on DBO-FHA
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Shuaiqi Ma, Haiyu He, Sijia Ren, Jiayao Zhao, Lilei Zhang
Automobile Technology | 2025, (2) : 37 - 45
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Automobile Technology | 2025, (2): 37-45
Parameter Optimization Design of CLLLC Bidirectional Resonant Converter Based on DBO-FHA
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Shuaiqi Ma, Haiyu He, Sijia Ren, Jiayao Zhao, Lilei Zhang
Affiliations
  • Shaanxi University of Technology, Hanzhong 723000
Published: 2025-02-24 doi: 10.19620/j.cnki.1000-3703.20240648
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To address the challenges associated with the complex steps and inability to identify the optimal hardware parameters of the CLLLC converter when designing parameters by using the Fundamental Harmonic Analysis (FHA) method, this paper proposes a CLLLC converter parameter design and optimization approach based on the fundamental wave analysis method and the Dung Beetle Optimizer (DBO) algorithm. Firstly, the FHA is employed to derive the design boundary of the converter parameters as the design constraints. Secondly, the efficiency function of the converter is established according to the relationship between converter efficiency and hardware parameters. Then, the DBO algorithm is used to optimize the objective function within the design constraints to obtain the hardware parameter values at the best efficiency point. The experimental results indicate that the efficiency of the designed prototype can reach 97%, further proving feasibility of this scheme.

First Harmonic Approximation (FHA)  /  Dung Beetle Optimizer (DBO)  /  CLLLC resonant converter  /  Parameter optimization
Shuaiqi Ma, Haiyu He, Sijia Ren, Jiayao Zhao, Lilei Zhang. Parameter Optimization Design of CLLLC Bidirectional Resonant Converter Based on DBO-FHA[J]. Automobile Technology, 2025 , (2) : 37 -45 . DOI: 10.19620/j.cnki.1000-3703.20240648
Year 2025 volume Issue 2
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doi: 10.19620/j.cnki.1000-3703.20240648
  • Online Date:2025-11-18
  • Published:2025-02-24
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  • Revised:2024-09-10
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    Shaanxi University of Technology, Hanzhong 723000
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表12种不同金属材料的力学参数

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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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