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전순일(Jeon, Soonil),최서호(Choi, Seoho),권순우(Kwon, Soonwoo),이규일(Lee, Kyuil),정성진(Jeong, Sungjin),윤성곤(Yun, Seong Gon) 한국신재생에너지학회 2005 한국신재생에너지학회 학술대회논문집 Vol.2005 No.06
Hyundai Motor Company developed the second generation of fuel cell hybrid electric vehicle based on Tucson SUV in 2004. This vehicle has cold start capability below -10C and its driving performances including maximum speed and accelerating time are almost similar to conventional Tucson SUV's performances without any sacrifice in terms of cabin space. Especially. the cold start capability was realized by utilizing only internal power sources such as fuel cell power and high voltage lithium ion polymer battery. In this paper, we will briefly introduce specifications of Tucson FCEV and its driving performances based on field test and simulations.
[동력전달계부문] 에너지 평형식을 기초로 한 하이브리드 차량의 엔진/모터/배터리 용량 매칭
전순일(Soonil Jeon),조성태(Sungtae Jo),박영일(Yeong-il Park),이장무(Jangmoo Lee) 한국자동차공학회 2001 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2001 No.11_2
In HEV(hybrid electric vehicle) that has usually two power sources such as chemical and electric energy, It is an important and difficult issue to quantify the fuel-economy, however, there is no standard method. In this paper, we present the fuel-economy improvement index a of HEV against baseline ICV(internal combustion vehicle). Namely, this index is not absolute value but relative value. For this purpose, first, we assume that the engine of ICV operates at only one point. From the reasonable result of this assumption, we assume that the engine of parallel HEV operates at two points, discharging and charging points, which can be selected to satisfy energy balance relation that makes the total consumed energy from battery in discharging be equal to the total stored energy into battery in charging. Second, through these assumption, we can obtain 3-D fuel-economy improvement index map, a map will two non-dimensional variables, that is, the discharging time over total time and the engine power in discharging over average required power in driving. Finally, we obtain the 3-D a map of parallel HEV according to its engine, motor, and battery sizes in urban and highway driving cycles, and use these results to select the most appropriate component size.
[동력전달계부문] 무단 변속기 장착 병렬형 하이브리드 차량의 다중모드 주행제어 알고리즘
전순일(Soonil Jeon),조성태(Sungtae Jo),박영일(Yeongil Park),이장무(Jangmoo Lee) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Vehicle performances such as fuel consumption are affected by a driving pattern, which is defined as a driving cycle with grades in this study. To optimize the vehicle performances on a temporary driving pattern, we developed a multi-mode driving control algorithm using driving pattern recognition and applied it to a CVT equipped parallel hybrid electric vehicle. The multi-mode driving control is defined as the control strategy which switches a current driving control algorithm to the algorithm optimized in a recognized driving pattern.<br/> For this purpose, first, we selected 6 representative driving patterns, which are composed of 3 urban driving patterns, I expressway driving pattern and 2 suburban driving patterns. Second, in each of 6 representative driving patterns, driving control parameters of this vehicle are optimized by the fuel-consumption simulations. Finally, in driving, a neural network(especially the Hamming network) decides periodically which representative driving pattern is closest to a current driving pattern by comparing their correlation. And then the current driving control algorithm is switched to the optimal one.
다구찌 방법을 이용한 하이브리드 차량의 SOC 유지전략 최적화
김현일(Hyunil Kim),전순일(Soonil Jeon),박영일(Yeong-il Park),이장무(Jang-moo Lee) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
We present new structure of SOC sustaining strategy for a charge sustaining hybrid electric vehicle (HEY), which can reflect the strategies for a mild HEV(Honda Insight) and a normal HEV(Toyota Prius). The proposed SOC sustaining strategy is composed of two steps to prevent over-charging or depleting of electric energy storage device such as NiMH. For this purpose, six SOC limits characterizing the SOC sustaining strategy are optimized through analysis of means (ANOM) in Taguchi's method. Besides, their relative effects on fuel economy are evaluated based on analysis of variance (ANOVA)
김범수(Kim, Beomsoo),전순일(Jeon, Soonil),임원식(Lim, Wonsik),박영일(Park, Yeong-il) 한국신재생에너지학회 2005 한국신재생에너지학회 학술대회논문집 Vol.2005 No.06
We developed a dynamic model of PEM fuel cell system which can analyze its transient response to dynamic load current. System components such as compressor, air cooler, humidifier, and stack were modeled based on their dynamic equations and performance maps by using Matlab Simulink platform. Through this simulation model, dynamic characteristics of fuel cell system including oxygen excess rat io, stack voltage, and system efficiency were shown. In addition to that, we briefly analyzed the humidity effect on cathode pressure and system efficiency, expecting that this model can be further used to optimize fuel cell system parameters just like operating pressure and temperature, humidity and oxygen excess ratio.
양호림(Yang, Horim),전순일(Jeon, Soonil),박영일(Park, Yeongil),이장무(Lee, Jangmoo) 한국신재생에너지학회 2005 한국신재생에너지학회 학술대회논문집 Vol.2005 No.06
In this research, we presented the regenerative braking algorithms considering fuel economy and charging oftenness, and also analyzed these algorithms. The first algorithm was the regenerative braking algorithm for the ideal recovery of kinetic energy. The HEV using this algorithm had high fuel economy, on the other hand frequent charging was occurred. The second algorithm was the regenerative braking algorithm for reduction of the charging oftenness. Using this algorithm, the HEV had the low charging oftenness and small loss of fuel economy.
[동력전달계부문] 구면무단변속기를 장착한 하이브리드 차량의 개발
조형준(Hyoungjun Cho),김정윤(Jungyun Kim),전순일(Soonil Jeon),이장무(Jangmoo Lee),김재열(Jaeyu Kim),박영일(Yeongil Park) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, we introduce the Semi-Spherical CVT(SS-CVT), which is characterized by its simple structure, infinite torque multiplication feature, and specific operating principles, with a kinematic analysis. The SS-CVT transmits the power using the rolling resistance between the metal on metal currently and realizes the smooth transitions between the forward/ neutral/ reverse states of output shaft by manipulating only one shifting actuator without a clutch. Using these special features of SS-CVT, we propose a prototype Hybrid vehicle equipped with a DC motor as a complementary power source. To build the prototype vehicle, we present the design processes and numerical investigations of its capabilities in this study.