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양갑진(Kabjin Yang),이현우(Hyunwoo Lee),이창훈(Changhoon Lee),성형진(Hyungjin Sung),김현철(Hyunchul Kim),이기수(Gisu Lee) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
An automatic transmission of a car is computerized for fuel efficiency improvement with safety and the convenience, and is applied, and is the tendency which expands. The best in new technical development by a domestic and abroad professional part producer to an automatic transmission and system development for gear control. But it"s lack of the quality standard and the reliability by the country and is the standard which evades development and depends on overseas forward part traders for technical development. The automatic transmission attachment rate increases direct hydraulic control system for gear control of an automatic transmission by Customer Request as well as global market competitive power securement and market preceding acquisition through the import substitution effect by development this, so technical development to this field and technological growth are requested by a completed car and a close consortium. 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.
양갑진(Kabjin Yang),이현우(Hyunwoo Lee),이창훈(Changhoon Lee) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Global demands related to vehicle emission from environmental protection organizations and governments have been increasing, resulting in the introduction of more severe emission regulation. In order to analyze the characteristics of Electric EGR(Exhaust Gas Recirculation) valve, the EGR simulator was designed to control the flow rate, pressure difference and temperature of EGR route and flow rate of heat exchanger. In this paper shows the research of engine performance during EGR for the application of Electric EGR to high efficiency Engines. It was installed a theta-2 super-charger Gasoline engine with an electric EGR valve. In this study the characteristics of E-EGR valve developed by UNICK were analyzed and the feasibility of application to vehicles were evaluated. EGR is an effective strategy to control nitrogen oxides emissions(contained CO₂) from target engine.
양갑진(Kabjin Yang),이현우(Hyunwoo Lee),이창훈(Changhoon Lee),성형진(Hyungjin Sung),김현철(Hyunchul Kim),이기수(Gisu Lee) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
An automatic transmission of a car is computerized for fuel efficiency improvement with safety and the convenience, and is applied, and is the tendency which expands. The best in new technical development by a domestic and abroad professional part producer to an automatic transmission and system development for gear control. But it’s lack of the quality standard and the reliability by the country and is the standard which evades development and depends on overseas forward part traders for technical development. The automatic transmission attachment rate increases direct hydraulic control system for gear control of an automatic transmission by Customer Request as well as global market competitive power securement and market preceding acquisition through the import substitution effect by development this, so technical development to this field and technological growth are requested by a completed car and a close consortium. 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.
[디젤엔진부문] 소형 디젤엔진용 전자식 EGR 밸브개발과 엔진적용에 관한 연구
양갑진(Kabjin Yang),이창훈(Changhoon Lee),이현우(Hyunwoo Lee),이진욱(Jinwook Lee),정용일(Youngil Jeong) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
A prototype electric EGR valve was developed for applying to the light duty diesel engine which is a major source of NOx emission in air pollution. Since the E-EGR valve can control faster and more accurately than the conventional mechanical type EGR valve. It can abate the NOx emission more efficiently.<br/> In order to analyze the characteristics of E-EGR valve. the EGR simulator was designed to control the flow rate, pressure difference and temperature of EGR route and flow rate of heat exchanger. Also the E-EGR valve was tested in a real engine. The flow characteristics of E-EGR valve according to the duty variation and pressure difference shows good linearity in spite of the solenoid's hysteresis. The max 15% NOx reduction was achieved with 16% EGR rate at 260Orpm(half load).
양갑진(Kabjin Yang),이현우(Hyunwoo Lee),이창훈(Changhoon Lee),성형진(Hyungjin Sung),김현철(Hyunchul Kim),이기수(Gisu Lee) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
An automatic transmission of a car is computerized for fuel efficiency improvement with safety and the convenience, and is applied, and is the tendency which expands. The best in new technical development by a domestic and abroad professional part producer to an automatic transmission and system development for gear control. But it's lack of the quality standard and the reliability by the country and is the standard which evades development and depends on overseas forward part traders for technical development. The automatic transmission attachment rate increases direct hydraulic control system for gear control of an automatic transmission by Customer Request as well as global market competitive power securement and market preceding acquisition through the import substitution effect by development this, so technical development to this field and technological growth are requested by a completed car and a close consortium. 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.
연속가변밸브 작동기구의 제어용 핵심부품 개발에 관한 연구
양갑진(Kabjin Yang),이현우(Hyunwoo Lee),이창훈(Changhoon Lee),김형기(Hyunggi Kim) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
The high crude oil prices age is maintained like the whole world recently, and output is higher, and consumers wish for the car for which the mileage is a little necessary and are requesting high efficiency of a car of the most popular transportation means in the time in which they grow interested further to air pollution. The engine and the vehicle which can make the exhaust gas permission regulation which is being strengthened increasingly meet, though development ties the performance and the relation close to a ride sense and a discharge to the sudden vehicle mileage, improvement of the mileage can affect this at a side of the performance and a discharge. Efficient design conception and procedure were established for the most suitable design for hydraulic pressure linear composition of variable valve operative mechanism without notice and durability increase of a variable control valve, high efficiency of a variable valve system and quality assurance by this research and a sampler had been developed and a performance testing was put into effect to make the operation special quality meet. A period will reduce development time necessary for efficient design conception in sampler development in particular and grope after the casting plan which can contribute to the development cost cut effect, and improves one for matching of a target vehicle technologically.