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It is imperative to accurately simulate the occupant’s seating position in collision simulations. This study focuses on a frontal crash test of an automobile, utilizing MADYMO software for digital simulation to analyze passenger injuries during collisions. The analysis encompasses various seating postures, including upright, forward-leaning, backward-leaning, left-leaning, and right-leaning positions. The research reveals that while the AEB (Automatic Emergency Braking) system effectively reduces the overall risk of accidents, it may also increase the risk of injury to specific body parts under certain conditions. For instance, sudden AEB-induced braking can subject occupants in undesirable postures (e.g., head lowered or sideways) to additional impact forces on the head and neck, thereby increasing the risk of neck injuries. Moreover, the increased occupant displacement caused by emergency braking can lead to sudden forward leaning. If seat belts are not properly worn or improperly positioned, this can result in elevated axial pressure on the chest and thighs, further increasing the risk of injury to these areas. Therefore, when utilizing active safety technologies such as AEB, it is crucial to ensure proper seat belt usage and maintain appropriate seating posture.

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Investigation into the Impact Damage of Vehicle Restraint Systems Based on Madymo

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Changhao Li,
  • Hailan Xu,
  • Zhenfei Zhan,
  • Yajun Luo,
  • Hailiang Chen

摘要

It is imperative to accurately simulate the occupant’s seating position in collision simulations. This study focuses on a frontal crash test of an automobile, utilizing MADYMO software for digital simulation to analyze passenger injuries during collisions. The analysis encompasses various seating postures, including upright, forward-leaning, backward-leaning, left-leaning, and right-leaning positions. The research reveals that while the AEB (Automatic Emergency Braking) system effectively reduces the overall risk of accidents, it may also increase the risk of injury to specific body parts under certain conditions. For instance, sudden AEB-induced braking can subject occupants in undesirable postures (e.g., head lowered or sideways) to additional impact forces on the head and neck, thereby increasing the risk of neck injuries. Moreover, the increased occupant displacement caused by emergency braking can lead to sudden forward leaning. If seat belts are not properly worn or improperly positioned, this can result in elevated axial pressure on the chest and thighs, further increasing the risk of injury to these areas. Therefore, when utilizing active safety technologies such as AEB, it is crucial to ensure proper seat belt usage and maintain appropriate seating posture.