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학술대회자료
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한국자동차공학회 한국자동차공학회 춘 추계 학술대회 논문집 한국자동차공학회 2004년 춘계학술대회 논문집 Volume Ⅱ
발행연도
2004.6
수록면
734 - 740 (7page)

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In this paper, an approach on the dynamic rollover characteristics has been introduced and explained using some of the latest information from NHTSA. A new NCAP test has been announced by NHTSA including Static Stability Factor and Fish-Hook test which is a dynamic test for the prediction of dynamic rollover propensity. From 2004, a new star rating on rollover propensity results of new cars has been issued by NHTSA to US customer. Until now the rating is an only reference data for the purchasing process of customer. Basically, it is not a regulation item of car makers, but information for the selecting their own cars. This rating is an index for the rollover risk for each vehicle. In the near future, this rating may be a critical data for the sales of cars in US, especially, for SUV. Therefore, we have to understand the status of rollover related research in the world and have to prepare with the change of market requirements and information of customer. This dynamic rollover related topic is a research area of vehicle dynamics parts before crash and rollover. The star rating on the rollover is based on the huge rollover crash information and vehicle basic dimension like as tread and height of center of gravity data. Also, a dynamic test result has been adopted as a scaling factor for the compensation of static criteria for the decision making on the rollover propensity. The start point on this approach for rollover related topic is the exact measuring basic dimensions and the clear understanding of rollover mechanics based on vehicle dynamics. We have to make a development strategy for the consideration of rollover at the early design stage before the major freezing. Finally, basic rollover mechanics, parameters of dynamic rollover, strategy on rollover mechanics, and the state-of-the-art of dynamic rollover related topics are introduced in this paper.

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ABSTRACT
1. 서론
2. 동적 전복(Dynamic Rollover)
3. 동적 전복 판정 기준
4. 동적 전복 감소 대책
5. 결론
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