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김진식(Jinsik Kim),백설(Seol Back),민준호(Junho Min) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
Front MacPherson suspensions are widely used by the car makers. Many researches regard to the minimization of damper side load have been published; however, this is not the relationship between kingpin axis and strut axis. There are several methods to reduce the amount of damper side load. The objective of this paper is to investigate the relationship between kingpin axis and strut axis.
맥퍼슨 현가장치에서 LCA 형상이 차량 SRS 성능에 미치는 영향 연구
김진식(Jinsik Kim),백설(Seol Back),민준호(Junho Min) 한국자동차공학회 2014 한국자동차공학회 학술대회 및 전시회 Vol.2014 No.11
SRS(Smooth Road Shake) performance at highway speed on smooth roads is one important attribute affecting vehicle ride performance quality. To ensure desirable SRS performance, achieve the best design compromises and minimize the development cost, specific design targets need to be defined and the proposed design needs to be assessed very early in the vehicle development cycle. In this paper, influence of LCA(Lower Control Arm) geometry on the SRS performance is analyzed for vehicle in MacPherson front suspension type. General guidelines for LCA designing MacPherson suspension is discussed to ensure achieving SRS performance.
등속조인트 축력 저감을 위한 설계 변수 인자 분석과 반응 표면 모델을 이용한 축력 저감 연구
김진식(Jinsik Kim),곽병문(Byungmoon Kwak),백설(Seol Back) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
Constant Velocity Joints(CVJ) are important part in automotive driveline components. Constant velocity joint transfer engine power to the chassis. Therefore, Noise, Vibration and Harshness performance and efficiency of Constant velocity joint are very important items. CVJ is composed of various parts that roller, ball, housing, trunnion, cage and so on. These parts contacted each other and the friction inside the joint generates an axial force according to the kinematics. It is generated noise and vibration problems. In this study, CVJ"s parts are modeling by using multibody dynamics. We are selected the design parameters effect on Generated Axial Force(GAF) and carry out the sensitivity analysis for GAF. Finally, minimize to the GAF though optimization method.