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강승규,양민호,김정한,진정문,이수열,Kang, Seungkyu,Yang, Minho,Kim, Jeonghan,Jin, Jeongmoon,Lee, Sooyul Korean Auto-vehicle Safety Association 2017 자동차안전학회지 Vol.9 No.3
For years, Q1.5 (anthropomorphic test device for 1.5 years old infant) and Q3 (anthropomorphic test device for 3 years old infant) dummy protection has been improved considerably by the effort of EuroNCAP. ISOFIX strength of vehicle structure has increased and many child occupant protection tests have made child restraint system (hereafter CRS) optimized for child safety. However, from 2016, EuroNCAP changed the dummy which is used for the child occupant protection from Q1.5/Q3 to Q6/Q10 and these were also adopted in KNCAP from 2017. Therefore, a new method is required to secure the safety for older children In this research, child dummies were tested by using adult safety systems, and the different results from each adult restraint system were compared. Finally, dummies were tested with the CRS harness belt commonly used for infants, which has yielded significant result. In this research, mid-sized sedan and small SUV were used for the test. The researchers of this paper performed sled tests to correlate between the different adult safety belt system and child injury. Following the sled test, an actual vehicle test was conducted to gather the injury data of Q-dummy with the CRS harness belts. This paper will show the advantages of applying a pre-tensioner in the second row for child protection and the necessity of CRS which has its own harness belts to improve safety for older children.
윤학수(Haksu Yun),김종민(Jongmin Kim),박종호(Jongho Park),이수열(Sooyul Lee) 한국자동차공학회 2017 한국자동차공학회 학술대회 및 전시회 Vol.2017 No.11
A study on the injury during a rear collision has conducted mainly only for the passengers on the front seat. But a study on injury during a rear collision of a passenger seated on the rear seat has not been conducted. In this paper, we investigated the behavior of neck injury that occur on rear occupants during rear collisions. We evaluated rear seat of our company vehicle and the other seat by seat and head restraint position and compared the neck injury performance. In addition, It was found that the shoulder-adjust and the adjustable headrest have an effect on the neck injury during a rear collision.
THOR 더미 흉부 압입시험 결과에 기반한 최적의 안전벨트 경로 제안
박현재(Hyunjae Park),조아현(Ahyun Cho),김태웅(Taewung Kim),조민기(Mingi Cho),이태희(Taehee Lee),이수열(Sooyul Lee),진욱(Wook Jin) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
This paper investigated an optimal belt path for minimizing maximum chest deflection of THOR-M50 dummy. To understand structural characteristics of the thorax region, a series of thorax compression tests were performed. Based on the test results, an optimal belt path, which path through the mid-point of the upper IR-TRACC was suggested. The optimal belt path, then, was verified through belt pull tests. Since the belt pull experiment was performed under a simplified static condition, the validity of the optimum belt path need to be verified under dynamic loading conditions such as sled or vehicle crash tests.