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논문 기본 정보

자료유형
학술저널
저자정보
인정민 (자동차안전연구원) 마재홍 (자동차안전연구원) 김홍익 (자동차안전연구원) 김시우 (자동차안전연구원)
저널정보
한국자동차공학회 한국자동차공학회논문집 한국자동차공학회논문집 제33권 제4호
발행연도
2025.4
수록면
253 - 261 (9page)
DOI
10.7467/KSAE.2025.33.4.253

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초록· 키워드

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The risk of incurring serious injury in car crash accidents for reclined posture occupants has been well documented through both actual crash accident data and research. With the recent entry of autonomous vehicles in the market and the increasing level of autonomous driving features, the possibility of having reclined occupants is expected to increase, particularly in the front passenger seat. Therefore, there is an urgent need to improve the crashworthiness of front passenger occupants in direct car collisions, as front-seat passengers are particularly vulnerable in reclined positions. Test methods include the evaluation of the possibility of severe injury and injury mechanisms for the front-seat passenger on a fully reclined(50 degrees) posture in a representative direct crash scenario in an autonomous vehicle and in traditional direct crash assessment types. The evaluation results indicated that the head, neck, chest, and lumbar spine of the front-seat passenger in a reclined posture suffered more severe injuries than those in an upright posture, regardless of the direct collision scenarios. It was also found that the higher the severity of the crash, the more serious would be the head, neck, chest, and lumbar injuries. Except for chest injuries, the injury occurrence mechanisms in the reclined posture are similar, regardless of the type of direct collision. Thus, it was considered that the 56 km/h full frontal crash test mode to a rigid barrier, which is the most severe crash type among frontal crash types, could cover occupant safety in a reclined posture compared to other direct collision scenarios. The results obtained through this study can be utilized as reference data in developing new crash evaluation methods and in improving crash restraint systems to enhance safety to a reclined posture passenger in the event of a direct collision.

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Abstract
1. 서론
2. 시험방법(정면 충돌평가모드 구성 등)
3. 결과
4. 결론
Reference

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