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Motion Sequence Criteria and Design Proposals for Restraint Devices in Order to Avoid Unfavorable Biomechanic Conditions and Submarining

机译:克制设备的运动序列标准和设计提案,以避免不利的生物力学条件和潜艇

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Our aim is to show that today's safety standards (FMVSS 208, EC-Proposals) are inadequate in the present state to ensure optimum protection for belted passengers. These standards do not take into ac count motion sequence during impact. The postulated tolerance limits -HIC, SI, forward displacements etc.- cannot describe the dynamic behaviour adequately. We emphasize the importance of motion sequence to ensure optimum biomechanic conditions, because motion sequence is the necessary prerequisite for any discussion about biomechanical tolerance limits. First results of our current belt-accident investigations indicate that this is an important problem. By applying experience from crash tests and accident investigations, we try to define simple and well-controllable criteria for motion sequence. These criteria should not only guarantee favourable biomechanical loads for the belt-restrained passenger, but also give the possibility of simplifying data registration and calculation of results. Our final aim is to reduce belt-specific injuries, since they are avoidable by using current technical capability. The solution of these problems can be achieved by modifications of safety standards using defined motion sequence criteria. This would lead to further developments of the system comprising a 3-point belt and the seat. In this paper we introduce one possible development. Results of a number of crash tests show its efficiency.
机译:我们的目的是表明,目前的安全标准(FMVSS 208,EC-Propares)在现状不足,以确保对腰带乘客的最佳保护。这些标准在撞击期间不会进入AC计数运动序列。假设公差限制 - 果实,Si,前向位移等 - 无法充分描述动态行为。我们强调运动序列的重要性,以确保最佳的生物力学条件,因为运动序列是关于生物力学公差限制的任何讨论的必要先决条件。我们当前的腰带事故调查的第一个结果表明这是一个重要问题。通过应用碰撞测试和事故调查的经验,我们试图为运动序列定义简单且可控的标准。这些标准不仅应保证皮带抑制乘客的有利生物力学负载,还可以提高简化数据登记和结果的可能性。我们的最终目标是减少特定于皮带的伤害,因为它们通过使用当前的技术能力来避免。这些问题的解决方案可以通过使用定义的运动序列标准进行修改来实现安全标准。这将导致系统的进一步发展,包括3点带和座椅。在本文中,我们介绍了一个可能的发展。一些碰撞试验的结果显示其效率。

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