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경유자동차의 실험실과 실도로 주행시험에 관한 비교 분석
이광범,용부중,Lee, Kwangbum,Yong, Boojoong 한국자동차안전학회 2020 자동차안전학회지 Vol.12 No.1
Since a diesel vehicle scandal related to the 'A' automobile company was issued in the United States in 2015, many countries have been interested in emission defeat devices. Being embedded in some diesel passenger cars sold in Korea, a defeat device for exhaust gas may have influence on both fuel economy and NOx emissions. In order to examine such effects, we carried out laboratory indoor tests as well as real road driving tests using four models of 'A' automobile company which may employ defeat devices. Those tests were performed observing the test modes of FTP-75, HWFET, and NEDC. Although fuel economy and NOx emissions according to indoor tests comply with the suggested tolerance, the findings in the real road driving tests do not satisfy the tolerance. Along with the results provided in this study, further evaluation may be necessary to investigate the noticeable difference between the indoor and real road tests.
이현우(Hyunwoo Lee),최영태(Youngtae Choi),이광범(Kwangbum Lee),이정기(Jeongki Lee),김광일(Kwangil Kim),이정화(Jeongwha Lee),임종순(Jongsoon Lim),신영복(Youngbok Sin) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
All across our nation, people live, work, and learn in indoor environments and especially, many people spend more time than ever before inside of cars. Recent years have been increasing attention focused on the air contamination inside auto-cabin. The sources of air contamination inside auto-cabin are roughly divided into internal sources(ex. chemical compounds from interior material) and external sources(ex. tail-pipe emission etc.). The Purpose of this research is to examine the status of worldwide auto-cabin air quality study, and to give the information when research is intended to develop methods to mitigate indoor air problem from auto-cabin.
이정기(JungKi Lee),용기중(GeeJoong Yong),이종현(JongHyun Lee),이광범(KwangBum Lee),홍윤석(YunSeog Hong),이현우(HyunWoo Lee),정혁(Hyuk Jung),임종순(JongSoon Lim) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_3
The effective use of vehicle have a energy savings and a reduction of greenhouse emission cause for a greenhouse effect. For the high cost of fuel and the effectuation of The Kyoto Protocol, we should achieve the vehicle Fuel economy and CO₂ emission test according to the variable vehicle weight and should announce the effectiveness that fuel economy and CO₂ emission depend on the driving method and circumstance to the driver.
납축전지와 리튬전지에 의한 전기모터 출력특성 분석 연구
최재화(Jaehwa Choi),이광범(Kwangbum Lee),최동석(Dongseok Choi),김광일(Kwangil Kim),용기중(Geejoong Yong) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Compliance tests of electric motor for vehicle driving were performed to characterize performance of the motors by battery types. Two different batteries were used for testing the net power and the maximum 30minute power. One is Pb-battery. The other is Lithium-battery. According to the Korean safety regulation, the electric power analysis was conducted and the temperature inside the motor was measured. It was found that electric driving motor using several kinds of voltage changed net power. If voltage of battery is changes, net power should be reconfirmed.
최동석(Dongseok Choi),이정기(Jungki Lee),이광범(Kwangbum Lee),권해붕(Heaboung Kwon),용기중(Geejoong Yong) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
The concept of system power for motor vehicles becomes necessary because multi power sources and drivetrain are adapted in motor vehicles for the energy savings and the precise emission controls. System power is defined as the power is measured on the powertrain test bed. It is possible to measure the wheel torque precisely using the powertrain test bed due to the direct connection between absorber and the end of drivetrain without tire. Two different test methods were developed for system power measurement. One is the acceleration at full load under road load (i.e., Method Ⅰ); the other is the acceleration at full load under constant vehicle speed (i.e., Method Ⅱ). Test vehicles were ICEV, HEV, FCEV, and EV. The drivetrains for the vehicles were AT, CVT, and reduction gear respectively. It was found that ICEV had the lowest maximum system power by the method I due to the efficiency of the drivetrain. The other vehicles were similar results of the maximum system power for two different test methods. Therefore, it could be adopted these two methods for the measurement of system power in motor vehicles.
구동용 전동기의 출력특성에 대한 안전기준 부합성시험에 대한 연구
최동석(Dong-Seok Choi),박용성(Yongsung Park),이광범(Kwangbum Lee),권해붕(Haeboung Kwon),용기중(Geejoong Yong) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
Compliance tests of electric motors for vehicle driving were performed to characterize power performance of the motors. Two different e-motors were used for testing the net power and the maximum 30 minutes power. One is a synchronous permanent magnet motor with water cooling. The other is an asynchronous induction motor with air cooling. According to the Korean safety regulation, electric power analysis was conducted and the temperature inside the motors was measured. It was found that temperature limit in each part was very important control factor and the speed or the torque control mode has to be selected as the type of the motors to be tested. Maximum 30 minutes power could be considered as the representative power of the motors.
김경삼(Kyeongsam Kim),차지훈(Jihun Cha),정혁(Hyuck Jung),이광범(Kwangbum Lee),배중호(Joongho Bae),권해붕(Haeboung Kwon) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
The traction battery that is one of the key parts of EV. Became a element is affecting significantly regard to performance and costs for EV. Thus, the guarantee of traction battery reliability is becoming big issue. Recently, To reduce the loss of time and costs about developing period. It has been determined to make a short evaluation period and secure a reliability as a methods of Accelerated life test. So It was performed the method of lithium battery"s accelerated life test using the temperature element as a factor of acceleration at 45.9℃
연료공급계통 설계인자가 소형경유자동차의 저온성능에 미치는 실험적 연구
김희준(HeeJoon Kim),용기중(GeeJung Yong),이종현(JongHyun Lee),이광범(KwangBum Lee),안호순(HoSoon Ahn) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Low temperature starting and drivability of a light duty diesel truck can be affected by its design factor. Specially, the proper design of a fuel system is a important factor improving its low temperature performance. To compare the cause of the cold starting and drivability, we had selected a light duty diesel truck saled in Koeran domestic market and tested in a cold chamber. Four fuels are used for low temperature test, and the test carried out with the ambient temperature at 15℃ 18℃ and 20℃. The result show that the proper design of a fuel system restrains was formation of the diesel in low temperature. It is sure that the size and position of a fuel filter, a fuel line's position, the position and material of a fuel tank are its important characteristics improve the low temperature operability.
전기자동차용 납산, 리튬이온 구동축전지팩 성능특성 비교
차지훈(Jihun Cha),박용성(Yongsung Park),배중호(Joongho Bae),이광범(Kwangbum Lee),정혁(Hyuck Jung) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
Successful commercialization of electric vehicle is depended on research and development level of traction battery being main component of Electric vehicle. Standard test procedure for Li-ion traction battery for performance, reliability and safety is under discussion in the standard of ISO-12405. This paper evaluated Energy-Capacity, Power and Energy efficiency at fast charging of Lead-acid and Li-ion battery pack in the view of ISO/DIS 12405-2. By the tests, This paper confirms the certain performance gap between commercialized Pb-acid and Li-ion traction battery pack. This performance gap would be caused by different material characteristic including chemical potential and internal resistance. The result of this paper could be applied to basic data when designing Battery Management System of traction battery pack. Also this paper evaluated the validity of test procedures of ISO/DIS 12405-2 by actual test.