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이무열(Muyoul Lee),송해석(Haeseok Song),변동규(Dongkyu Byeon) 한국자동차공학회 2012 한국자동차공학회 지부 학술대회 논문집 Vol.2012 No.10
In this paper, We proposed an adaptive current control algorithm for steady led luminance. A light-emitting diode(LED) is a semiconductor light source that flow current forward. Recently, LEDs are increased to adopt on the automotive lamps like headlamp, rear combination lamp, and interior. LEDs have the property of changing luminance as per voltage, current and temperature. But there will be a marked decline or destroyed only if it flows through over current to the LEDs. We could get the good results it was performed according to current control algorithm and it makes sure that it could provide a good condition to drive.
Dynamic Bending Light의 회전각도 고찰
오세욱(Sewook Oh),조정현(Junghyun Cho),변동규(Dongkyu Byeon),주종현(Jonghyun Joo) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Vehicle lighting technology are evolving in light sources, electrical control and optics with another components and signals. Especially nowadays lighting specialists focus on the technology about swiveling and raising the light unit within the scope of regulation. So at this time we need to study how much angle is safer on the curve road, the motor way and the intersection of the road. Dynamic bending light is one of the function and applied to many other vehicle company. That technology issue is how to decide maximum swivel angle on each curvature roads, so we justify regulation of maximum swivel angle and investigate approximate method to calculate swivel angle according to road curvatures. In result we get some conclusion about swivel angle of low beam.
전대홍(Daehong Jeon),오준규(Junkyu Oh),강호준(Hojoon Kang),변동규(Dongkyu Byeon),손수락(Surak Shon) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
By the increase of the interests on the Advanced Safety Vehicle (ASV) recently, the research on the Head-Up Display (HUD), which is the device to improve driver's sight, has been going on actively. The one of benefits of HUD is that it improves the driver's sight by showing necessary information by the image on the front glass while driver is driving to improve the driving and safety. HUD is structured with the optical device, ECU, and Display part, and also it is necessary to develop the proper ECU to automobile specifications in order to adapt to automobiles. This paper discusses about the necessary ability categories and quality elements, and we made and tested in the simulator, which has same condition as real automobile situation.
근적외선 투과 성능 개선을 통한 차량용 나이트 비전 카메라의 화질 향상에 대한 연구
전대홍(Daehong Jeon),김기현(Kihyeon Kim),강호준(Hojoon Kang),변동규(Dongkyu Byeon),손수락(Surak Shon) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
One of Advanced Safety Vehicle (ASV) technique, Night Vision Uses near-infreared of far-infrared to assure the sight. This paper only discuss about the Night Vision Camera, which uses the near-infrared. Night Vision, which uses the near-infrared , doesn't give dazzling to the driver of on-coming traffic and can monitor the road status in night time. it's possible to reduce the blooming, which is the one of reason that affects the image quality of the near-infrared camera by the use of WDR(Wide Dynamic Range)Camera. This paper suggests the improvement of an automotive night vision camera through the near-infrared transmission enhancement, and proves the improvement of image quality by the examination.