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이인제(InJea Lee),김민수(MinSu Park),박래성(RaeSung Park),김영범(YoungBum Kim),강인성(In-Sung Kang),엄정민(JungMin Eom) 한국자동차공학회 2019 한국자동차공학회 부문종합 학술대회 Vol.2019 No.5
The door Module is a structural steel part that is mounted inside a car door and assembled with a window guide rail, door latch and speaker. Steel have been used in the past, but they are being replaced by glass fiber reinforced plastics(GFRP). Due to the demand for lightweight, low density materials gave been developed through thinning thickness of panels and reducing of glass fibers. However, if the thickness is thinner and the fiber content is reduced, the stiffness of the panel is lowered. Therefore, the design and simulation technique for compensating the rigidity of the panel is required. In this study, the actual deformation amount of a door module panel injection molded with PP-GF20 material was measured and the simulation results and the accuracy were compared. By adjusting the flexural modulus of the PP-GF20 material, the accuracy could be increased from about 50% to 85%. It was found that the flexural modulus of the material should be measured in accordance with the molding design characteristics of the actual door panel.
실험 계획법을 통한 캐리어 플레이트 파손 평가 및 개선 분석
이인제(InJea Lee),안호준(HoJun Ahn),최건용(GeonYong Choi),안준희(JunHee An),엄정민(Jungmin Eom) 한국자동차공학회 2021 한국자동차공학회 부문종합 학술대회 Vol.2021 No.6
When assembling the window regulator and glass when assembling the car side door, the carrier plate may be damaged if the operator presses it with excessive force and assembles it. In order to improve this phenomenon, it was checked whether the carrier plate was damaged when the force was applied, and an improved sample was prepared. And it was confirmed that there is statistical effect by testing and analyzing the improved sample.
사이드 도어의 스마트 글라스 전원 공급 구조 및 전압 변환 장치
이인제(InJea Lee),이승철(SeungChul Lee),김민수(MinSu Kim) 한국자동차공학회 2021 한국자동차공학회 부문종합 학술대회 Vol.2021 No.6
Recent automobile development trends are autonomous driving, smart car, eco-friendly fuel cars, and future-oriented appearance cars. The trend of car door is also changing. People are usually use curtain for sun block. Currently applying the electric curtain that operated by motor force on the car for sun block. A film was developed a few years ago that changed light transmittance by voltage strength. This paper is about application of PDLC film to replace electric curtain of car side door.