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박진호(Jinho Park),공진형(Jinhyeong Kong),조한상(Hansang Jo),박영일(Yeongil Park),이장무(Jangmoo Lee) 한국자동차공학회 1999 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1999 No.11_2
The real driving fuel consumption rate of a vehicle is mostly different from the authorized fuel consumption rate. The authorized fuel consumption rate is measured by driving a car on chassis dynamometer following the driving mode which consists of only time-velocity profile. Because road grade has an important influence on the fuel consumption rate, in this paper with the driving modes considering road grade the simulation program to predict the real driving fuel consumption rate is developed. To verify the simulation program. on-road car tests are carried out and the results of the simulation are analysed and compared with those of the experiments
장현목(Hyeonmog Jang),박영일(Yeongil Park),구병춘(Byeongchoon Goo),이재영(Jaeyoung Lee),박훈규(Hoongyu Park) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this study. the impact analysis for the shunting procedure using the dynamic buffer characteristics of the coupler was developed. The railroad rule of S. Korea for the safety criteria of urban railroad vehiclewas adopted as the analysis condition for shunting. By using the equivalent stiffness. each car was modeled as one dimensional element. Analysis code was used by the POTAS-MSM (POwer Transmission Analysis Software-Multi Slip Mechanism) which was developed for the numerical analysis of dynamic system. The validation of this analysis was proved by comparing the numerical results of world-famous S company located in Europe.
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.
실 도로 주행사이클의 Aggressiveness에 따른 미래형 친환경 자동차의 시스템 효율 평가
이대흥(Daeheung Lee),서호원(Howon Seo),박영일(Yeongil Park),임원식(Wonsik Lim),차석원(Sukwon Cha) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
This paper proposes a definition of the driving aggressiveness which can describe the aggressive driving pattern of real-world driving schedule. Then vehicle simulations assess the sensitivity of fuel consumption to a wide range of driving pattern. Considered vehicles are a HEV and PHEV (10AER~40AER) as well as a conventional vehicle that is assumed to be available in the future, and the used fuel for each vehicle’s powertrain structure are gasoline, diesel, H₂ and ethanol. Through this research, the fuel consumption results are variable to the aggressiveness factor defined over real-world driving cycles and could be predicted with a specific driving schedule.