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NECK LOADING MODEL OF A CHILD IN A CAR SEAT

机译:汽车座椅上儿童的颈部加载模型

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摘要

It has been shown that children are susceptible to many dangers in child safety seats that do not involve a car accident. One issue involves the hyperextension of the neck muscles when the child falls asleep in a slumped position. Another issue is positional asphyxia, which is a form of asphyxia where the child's position prevents them from breathing adequately. The present study designed a realistic model of the cervical spine and conducted a finite element analysis to observe if and where stress and strain concentrations existed. This analysis simulated the effects of a moving vehicle on the child while their head was slumped forward. A car seat redesign was also undertaken to overcome the afore mentioned issues. This involved employing a motor and control system.
机译:已经表明,在不涉及交通事故的儿童安全座椅中,儿童容易受到许多危险的伤害。一个问题涉及当孩子以俯卧姿势入睡时颈部肌肉过度伸展。另一个问题是位置性窒息,这是一种窒息的形式,儿童的姿势阻止他们充分呼吸。本研究设计了一个现实的颈椎模型,并进行了有限元分析,以观察是否存在应力和应变集中。该分析模拟了移动车辆对儿童的影响,而他们的头部向后倾斜。为了克服上述问题,还进行了汽车座椅的重新设计。这涉及采用电动机和控制系统。

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