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Research on Seat Belt Restraint System for Rear Occupants
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Huilai Zhou1, Hequan Wu1, 2, Haitao Wang1
Automobile Technology | 2023, (2) : 43 - 48
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Automobile Technology | 2023, (2): 43-48
Research on Seat Belt Restraint System for Rear Occupants
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Huilai Zhou1, Hequan Wu1, 2, Haitao Wang1
Affiliations
  • 1 Hunan Province Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle, Changsha University of Science and Technology, Changsha 410114
  • 2 Bioengineering Center, Wayne State University, Detroit MI48201, USA
Published: 2023-02-24 doi: 10.19620/j.cnki.1000-3703.20220878
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In order to improve the safety of rear occupants with different sizes, this paper analyzed the damage of rear occupants in 100% frontal collision condition at 50 km/h by simulation. Firstly, a rear occupant restraint system model was established and verified. Then THUMS_AM50, THUNS_AF05 and CHARM-70 models were used to simulate different rear passenger sizes, Constant Loading Limit (Con-LL) curve, Progressive Loading Limit (Pro-LL) curve and Descending Loading Limit (Dig-LL) curve were respectively applied to explore the adaptability of seat belt loading curve to passengers of different sizes. The results show that the risk of neck ligament injury is great under this condition. The Dig-LL curve showed significant protection for the CHARM-70 but poor protection for the THUMS_AM50 during a frontal collision. Con-LL curve is not suitable for the protection of THUMS_AM50 and CHARM-70 under this condition. Pro-LL curves showed good protection for THUMS_AM50 and THUNS_AF05. In the future, the seat belt restraint system should be adapted to different loading curves according to the occupant type and collision condition to better protect the occupant.

Frontal crash  /  Seat belt restraint  /  Rear occupant  /  Load limiter curve  /  CHARM-70
Huilai Zhou, Hequan Wu, Haitao Wang. Research on Seat Belt Restraint System for Rear Occupants[J]. Automobile Technology, 2023 , (2) : 43 -48 . DOI: 10.19620/j.cnki.1000-3703.20220878
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doi: 10.19620/j.cnki.1000-3703.20220878
  • Online Date：2025-12-07
  • Published：2023-02-24
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  • Revised：2022-09-20
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    1 Hunan Province Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle, Changsha University of Science and Technology, Changsha 410114
    2 Bioengineering Center, Wayne State University, Detroit MI48201, USA
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表12种不同金属材料的力学参数
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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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