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ON/OFF 솔레노이드 작동에 의한 스프링 핀의 구조최적설계
김하나(Ha-Na Kim),노의동(Euidong Ro),양갑진(Kabjin Yang),이창훈(Changhoon Lee) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
ON/OFF Solenoid valve is used to control locking lever to transfer from 2WD to 4WD in specific situation. ON/OFF Solenoid with high spring load and magnetic force requires the structural optimization which satisfies both durability and variation of spring pin. This paper propose a design optimization approach for spring pin solenoid valve by combining optimization techniques with the finite element method (FEM). The structural optimization of spring pin is based on Taguchi method. The spring pin was designed to minimize stress and deformation. As a result of optimum design, the dimension of spring pin meets the design requirement.
자동변속기용 유압제어 솔레노이드 밸브의 설계 최적화 및 개발
양갑진(Kabjin Yang),노의동(Euidong Ro),이창훈(Changhoon Lee),이현우(Hyunwoo Lee) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Recently, environmental regulation is tightened up gradually worldwide, an automaker and a related part business company can say that development of the automatic in-variable-speed machine with which increase of driver demand matters, such as a demand and safety of a extra-low fuel expenses car, and convenience, automated, and efficiency was maximum-ized by environmental affinity automobile development is indispensable. The high performance solenoid valve is adopted to hydraulic control system for hydraulic control solenoid valve in automatic transmission. In this paper cutting down time being needed for an optimization design and trial product development through an electromagnetic field interpretation and a computational fluid dynamics interpretation in development of the hydraulic control solenoid valve applied to an automatic transmission, and contributing to development expense reduction effect by efficiency-development tends to grasp an hydraulic control solenoid valve and valve body matching.
자동변속기 솔레노이드 밸브의 응답성 개선 방안에 관한 연구
이재혁(Jeahyuck Lee),노의동(Euidong Ro),양갑진(Kabjin Yang),이창훈(Changhoon Lee) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
Recently, Transmission of vehicle is a growing tendency to be equipped with an automatic transmission consistently for the driver’s convenience and comfort. It is well known that the factors – clutch size, friction coefficient of clutch, gear ratio step and clutch apply pressure characteristics – exert influence on the quality improvement of automatic transmission. Improvement of solenoid valve oil pressure characteristic for the clutch actuating hydraulic control system considered in this study. An automatic transmission solenoid valve is divided VFS (Variable Force Solenoid) valves and On-Off solenoid valves. In detail, the VFS valves considered in the study. The VFS valve is divided operating parts and pressure control parts. The oil pressure characteristics are depends on shape and location of the spool. Therefore, the study is proved improvement of hydraulic characteristics through the method by oil pressure test and simulation.