Comparison of human injury differences in vehicle-riding/pushing bicycle accidents

毒物控制 工程类 伤害预防 汽车工程 法律工程学 职业安全与健康 航空学 人为因素与人体工程学 自杀预防 运输工程 车辆安全 医疗急救 医学 病理
作者
Tiefang Zou,Hao Sun,Zhiqi Liu,Liangwei Wu
出处
期刊:International Journal of Crashworthiness [Informa]
卷期号:: 1-21
标识
DOI:10.1080/13588265.2024.2351259
摘要

To support regulations related to cyclists dismounting and pushing across motor vehicle lanes, this study first extracted posture parameters for riding/pushing through physical experiments, then simplified the posture parameters and extracted typical postures with distinguishability. Finally, simulated experiments were designed to compare the differences in human injury between riding and pushing in collision accidents. The physical experiment found that the bicycle controller's (individuals who ride or push bicycles) forward leaning angle of the back (referred to as the 'back angle') when riding can be estimated by the ratio of saddle height to bicycle handlebar height, but the back angle when pushing is not affected by other parameters. Eight typical postures containing only lower limb posture parameters were then identified, and statistical analysis showed significant differences in over 80% of parameters among the postures. Through simulated experiments, the rider's tolerable saddle height was identified. Even at this saddle height, the injury in riding state was still significantly higher than that in the pushing state, indicating that pushing the bicycle across the motor vehicle lane can reduce the injury to the bicycle controller. The research results not only support relevant regulations, but also provide typical postures for the bicycle controller in vehicle-bicycle collision experiments in the future, and have certain theoretical and practical value.
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