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논문 기본 정보

자료유형
학술저널
저자정보
한인환 (홍익대학교)
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제19권 제5호
발행연도
2011.9
수록면
82 - 91 (10page)

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초록· 키워드

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In this paper, a planar model for mechanics of a vehicle/pedestrian collision incorporating road gradient is derived to evaluate the pre-collision speed of vehicle. It takes into account a few physical variables and parameters of popular wrap and forward projection collisions, which include horizontal distance traveled between primary and secondary impacts with the vehicle, launch angle, center-of-gravity height at launch, distance from launch to rest, pedestrian-ground drag factor, the pre-collision vehicle speed and road gradient. The model including road gradient is derived analytically for reconstruction of pedestrian collision accidents, and evaluates the vehicle speed from the pedestrian throw distance. The model coefficients have physical interpretations and are determined through direct calculation. This work shows that the road gradient has a significant effect on the evaluation of the vehicle speed and must be considered in accident cases with inclined road. In additions, foreign/domestic empirical cases and multibody dynamic simulation results are used to construct a least-squares fitted model that has the same structure of the analytical one that provides an estimate of the vehicle speed based on the pedestrian throw distance and the band within which the vehicle speed would be expected to be in 95% of cases.

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Abstract
1. 서론
2. 경사길 보행자 충돌사고 해석 모델
3. 시뮬레이션 자료 구축과 충돌모델 검증
4. 불확실성을 고려한 사고재구성 모델
5. 결론
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UCI(KEPA) : I410-ECN-0101-2013-556-000491710