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가상 환경 주행 시뮬레이션을 위한 CarMaker 기반 차량모델 개발과 정합성 평가에 대한 연구
김현일(Hyunil Kim),정현욱(Hyeonwook Jung),진병옥(Byeongok Jin),조준희(Junhee Jo),이지호(Jeeho Lee),이태희(Tae Hee Lee) 한국자동차공학회 2020 한국자동차공학회 학술대회 및 전시회 Vol.2020 No.11
In this study, we developed full vehicle model for vehicle dynamics simulation based on IPG CarMaker. Suspension components(spring and damper) characteristics test data apply using hydraulic actuator. Vehicle model K&C(Kinematic & Compliance) characteristics data apply using SPMD(Suspension Parameter Measurement Device). Vehicle handling dynamics test data measurement get using vehicle CAN, GPS/INS, WFT(Wheel Force Transducers). Finally, we compare developed virtual model simulation and vehicle handling dynamics test for model correlation analysis.
Dokyum Kim,Hyunil Jo,Young-Woo Heo,Jeong-Joo Kim,Joon-Hyung Lee 한국진공학회(ASCT) 2018 Applied Science and Convergence Technology Vol.27 No.6
An amorphous In-Sn-Zn-O (ITZO) thin film has high electrical properties and is less prone to cracking in repeated bending, which is advantageous for application to flexible display panels. When ITZO sputtering target is sintered at high temperatures, the original compositions often deviate from the stoichiometry due to volatilization of In, Sn and Zn. In order to minimize the evaporation, targets have been sintered in high oxygen atmospheres. We investigate the volatile-induced compositional deviation of the ITZO samples after sintering. An electron probe micro-analyzer (EPMA) depth profile of the composition and thermogravimetric weight loss at high temperature were analyzed. The results showed that the sintering of ITZO at high oxygen partial pressure is very effective to suppress the volatilization of In, Sn, and Zn. The electrical and optical characteristics of the ITZO thin films are also analyzed.