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토크컨버터 임펠러허브 채터링 형상에 의한 이상소음 발생 및 저감 연구
강호준(Hojoon Kang),이선형(Sunhyoung Lee),최성현(Sunghyeon Choi) 한국자동차공학회 2017 한국자동차공학회 학술대회 및 전시회 Vol.2017 No.11
Torque converter in automatic transmission device transfer the engine power to transmission. In order to reduce the driving loss of the torque converter, oil pump using a needle roller bearing part. In the torque converter impeller hub grinding process, chattering shape such as a wave pattern may be generated due to abnormal vibration on the manufacturing equipment. The chatter noise is amplified by the impeller hub chattering shape with the bearing roller at all speeds of the transmission. In this study, the noise factors that can be generated in the torque converter impeller hub grinding process are studied and proposed the noise reduction method.
실도로 기반 실증 동향 검토 및 자율주행차를 위한 실증 방법론 제안
강호준(Hojoon Kang),권성진(Seongjin Kwon) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5
Large scale Field Operational Tests(FOTs) were introduced a few years ago as an evaluation tool for newly developed automotive systems with the purpose of proving that such systems can deliver real-world benefits. A number of such FOTs have been carried out to evaluate new automotive systems, particularly a variety of Advanced Driver Assistant Systems(ADAS) and V2x related functions or services. These FOTs have proven to be very useful and have been identified as an important method to verify the real-world impacts of newly developed such systems. Europe, North America and Japan have conducted a number of FOTs for several years and have cumulated enormous amount of data through these FOTs. Especially, Europe had developed methodologies for FOT, like FESTA handbook, and has been sharing related information through networking platform, FOT-Net. This paper introduces several overseas FOTs and suggests ideas on preparing FOTs for autonomous vehicle in Korea.
외접기어 오일펌프의 냉간 소음 발생 메커니즘 규명 및 개선 연구
강호준(Hojoon Kang),김지훈(Jihoon Kim),최성현(Sunghyeon Choi),조명수(Myungsoo Cho),최인혁(Inhyuk Choi),이정선(Jeongseon Lee) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
Transmission - Hydraulic System needs higher pressure than existing Automatic transmission to deliver the power which is created by moving the belt, this power is made by the pressure in the pully. Therefore, Most Transmission needs involute gear type oil pumps. In this paper, We’ll suggest the methods of improvement through the investigation in mechanism to lower noise after constant temperature rise. And also the feature of the noise from the involute gear type oil pump, the core part of Transmission - Hydraulic System, in the stage of acceleration, deceleration in cold temperature and idle when car starts.
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.
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.