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Q10 더미를 이용한 어린이용 안전장치 동적 성능 평가
김승기,오형준,Kim, Seungki,Oh, Hyungjoon 한국자동차안전학회 2015 자동차안전학회지 Vol.7 No.1
Recently, Child safety has become one of the issue with Q10 dummy representing large child. The objective of this paper was to evaluate performance of three child restraints system (backless booster, high-back booster and without booster) by changing D-ring location in the rear seat. Sled tests were carried out with a Q 10 in 64km/h frontal impact. Before the dynamic sled tests, we assessed dummy positioning with difference in CRS types and height adjustment positions. Dynamic sled test results indicated that there is different performance of CRS types and belt routing. These test results will use as base line data for development CRS safety performance for Q 10.
Q-dummy series를 이용한 어린이용 좌석 안전성능 비교
김승기(Seungki Kim),오형준(Hyungjoon Oh),조재호(Jaeho Cho) 한국자동차공학회 2014 한국자동차공학회 부문종합 학술대회 Vol.2014 No.5
One of the most effective measures to protect in crash accident is to use child restraints system (CRS). The objective of this paper was to evaluate injury of Q dummy series. Sled test conducted with Q1.5, Q3, Q6 and Q10 dummy under CRS(Child Restraints System) by using vehicle pulse of EuroNCAP 64kph ODB. Q1.5 and Q3 were contented with EuroNCAP injury criteria and AIS 3+ 50% injury probability proposed by EEVC. Q6 and Q10 showed high injury risk for head and neck AIS 3+ 50% injury probability proposed by EPOCh in high-back booster. High-back booster seats shows high risk injury more than adult seat belt in Q10.
ICT 활용 역량이 실시간기업(RTE)역량과 공급사슬 성과에 미치는 영향
김승기(Seungki Kim),박소현(SoHyun Park),노혜영(Hyeyoung Noh),김승철(Seung-Chul Kim) 한국산업경영시스템학회 2020 한국산업경영시스템학회지 Vol.43 No.1
Many companies make considerable efforts in implementing supply chain management systems to increase their competitiveness. In particular, there are significant investments in their ICT (Information and Communication Technology) and supply chain. However, considerable diversity exists in how well firms have been able to assimilate ICT and leverage the business value of it. In addition, studies on supply chains, particularly Real Time Enterprise (RTE) competence, which is cited for rapid information sharing and dynamic capabilities for each role in the supply chain, are insufficient. The purpose of this paper is to explore and evaluate effect of ICT utilization capabilities, including ‘ICT internal cooperative capabilities’ and ‘ICT operational flexibility capabilities’, on RTE capabilities (flexibility, visibility and prediction) and supply chain performance. To validate the research model proposed in the study, survey was conducted on companies using ICT along the supply chain of manufacturing industries. 216 data were used, SPSS and AMOS were used for the analysis methods. Study results showed that ICT internal collaboration capabilities affect agility, one of RTE capabilities, but not visibility and prediction, and ICT operational flexibility capabilities have affected all three RTE capacities. And, RTE capabilities had a huge impact on supply chain performance as expected. In this paper, it has been found that the ICT capabilities in manufacturing are an important factor in improving RTE capabilities that are important in the supply chain and improving the performance of the supply chain.
xEV 전/후 구동모터 기반 핸들링 성능 향상 제어 개발
김승기(Seungki Kim),박재일(Jaeil Park),정장훈(Janghun Jung),황성욱(Sungwook Hwang),이상호(Sangho Lee),김우균(Wookyun Kim) 한국자동차공학회 2023 한국자동차공학회 학술대회 및 전시회 Vol.2023 No.11
The traction motor commonly installed in EV has the excellent control capability, such as fast response and predictable output torque. For that reason, various control methods were being introduced to enhance the driving performance of EV by using EV’s traction motor. In this paper, the new traction motor control method is proposed to improve the EVs handling performance. The proposed method helps improve yaw response and roll response of 4WD EV. The proposed control method is designed by using MATLAB/Simulink and verified with RCP device equipped test 4WD electric vehicle.