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首页> 外文学位 >Performance comparison between three and four point seat belt systems for frontal and side impact protection in automobile accidents.
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Performance comparison between three and four point seat belt systems for frontal and side impact protection in automobile accidents.

机译：三点和四点式安全带系统在汽车事故中正面和侧面碰撞防护方面的性能比较。

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摘要

The three-point seat belt, standard equipment in all cars, has been widely accepted as a good cost and suffer saving cure in the past few decades. Accordingly, all over the motorized world there has been an increase in the number of people who have made buckling-up a matter of habit. However, the three-point belted occupants are still being injured in numerous crashes. This can be attributed in some extent to the increase in the average age of drivers and higher speed limits---there has been a constant pressure on the Department of transportation to increase the speed limits on many highways. This has forced the New Car Assessment Program (NCAP) to reconsider its initiatives on the existing restraint systems around the world. Since these crash tests are usually at higher speeds than for the legislative crash tests, restraint systems must be designed to be more efficient in minimizing or preventing occupant impacts with the vehicle interior.; This research tries to evaluate the benefit of the proposed four-point belt system by means of non-linear finite element computer simulation of frontal impacts (US-NCAP pulse) and side impact. In this thesis, frontal and side impact scenarios are evaluated for a typical earlier model sedan. (Abstract shortened by UMI.)
机译：三点式安全带是所有汽车的标准装备，在过去的几十年中已被公认为具有良好的成本并节省了成本。因此，在整个机动化的世界中，使屈曲成为习惯的人数有所增加。但是，三点安全带乘员在多次撞车事故中仍在受伤。这在某种程度上可以归因于驾驶员平均年龄的增加和更高的速度限制-交通部门一直在不断提高许多高速公路的速度限制。这迫使新车评估计划（NCAP）重新考虑其对全球现有约束系统的倡议。由于这些碰撞试验的速度通常要比立法式碰撞试验的速度高，因此必须设计约束系统，以更有效地减少或防止乘员对车内的碰撞。本研究试图通过对正面撞击（US-NCAP脉冲）和侧面撞击进行非线性有限元计算机仿真，来评估所提出的四点皮带系统的优势。在本文中，对典型的早期模型轿车的正面和侧面碰撞情况进行了评估。 （摘要由UMI缩短。）

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