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Research on Matching of Occupant Chest & Abdominal Protection Restraint System Based on Vehicle Side Structural Characteristics
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Suchun Ji1, 2, Gang Luo1, Yani Cai1, Dong Zeng1, Shiyuan Lin1, Feibing Lei1
Automotive Engineer | 2025, (6) : 9 - 15
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Automotive Engineer | 2025, (6): 9-15
Special Topic on 2024 International Conference of Vehicle Safety and Intelligent Transportation
Research on Matching of Occupant Chest & Abdominal Protection Restraint System Based on Vehicle Side Structural Characteristics
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Suchun Ji1, 2, Gang Luo1, Yani Cai1, Dong Zeng1, Shiyuan Lin1, Feibing Lei1
Affiliations
  • 1 BYD Auto Industry Co., Ltd., Shenzhen 518119
  • 2 University of Science and Technology of China, Hefei 230027
Published: 2025-06-15 doi: 10.20104/j.cnki.1674-6546.20250024
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In the safety property development of side pole under crash condition, the relationship between vehicle structural characteristics (such as initial side space, speed waveform) and occupant injury is not uncertain, and there are few strategies for matching side airbags to vehicle structural characteristics. In order to address the above issues, this paper proposes a lateral Pole collision Occupant Load Criterion (POLC) to correlate the structural characteristics of the vehicle’s side structure and occupant injuries, and categorize vehicles into two groups based on the relative magnitude of their POLC values to the occupant’s average acceleration tolerance limit aave_max. For a given vehicle A with a POLC value less than aave_max, the paper analyzes deformation of the side airbag matched for the vehicle from the perspective of occupant kinematics, then analyzes whether the side airbag stress-deformation curve meet occupant protection demand from the perspective of stress limit of occupant torso, in an attempt to provide a theoretical basis for the design of vehicle side structure characteristics at the early stage of vehicle crash safety development.

Vehicle side structural characteristics  /  POLC  /  Occupant injury  /  Side airbag
Suchun Ji, Gang Luo, Yani Cai, Dong Zeng, Shiyuan Lin, Feibing Lei. Research on Matching of Occupant Chest & Abdominal Protection Restraint System Based on Vehicle Side Structural Characteristics[J]. Automotive Engineer, 2025 , (6) : 9 -15 . DOI: 10.20104/j.cnki.1674-6546.20250024
Year 2025 volume Issue 6
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doi: 10.20104/j.cnki.1674-6546.20250024
  • Online Date:2025-11-10
  • Published:2025-06-15
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  • Revised:2025-01-21
Affiliations
    1 BYD Auto Industry Co., Ltd., Shenzhen 518119
    2 University of Science and Technology of China, Hefei 230027
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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