Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Seungju Yoon"'
Autor:
Fuad Un-Noor, Guoyuan Wu, Harikishan Perugu, Sonya Collier, Seungju Yoon, Mathew Barth, Kanok Boriboonsomsin
Publikováno v:
Vehicles, Vol 4, Iss 3, Pp 780-807 (2022)
Though the current wave of electric vehicles is transforming the on-road passenger and commercial vehicle fleets, similar attempts in the off-road equipment sector appear to be lacking. Because of the diverse equipment categories and varied applicati
Externí odkaz:
https://doaj.org/article/3d35d49b7d0141c48aa47c8f890e9bfb
Design of a CMOS Image Sensor with Bi-Directional Gamma-Corrected Digital-Correlated Double Sampling
Publikováno v:
Sensors, Vol 23, Iss 2, p 1031 (2023)
We present a 640 × 480 CMOS image sensor (CIS) with in-circuit bi-directional gamma correction with a proposed digital-correlated double sampling (CDS) structure. To operate the gamma correction in the CIS, the transfer function of the analog-to-dig
Externí odkaz:
https://doaj.org/article/ade0c0d777bd48d6a3fd84cc40e68cde
Autor:
Qi Yao, Seungju Yoon, Yi Tan, Liang Liu, Jorn Herner, George Scora, Robert Russell, Hanwei Zhu, Tom Durbin
Publikováno v:
Atmosphere, Vol 13, Iss 6, p 975 (2022)
Aftertreatment technologies in Tier 4 off-road engines have resulted in significant emission reductions compared to older tier engines without aftertreatments. The appropriate characterization of Tier 4 engine emissions in consideration of aftertreat
Externí odkaz:
https://doaj.org/article/5d1c6214da54418eab18e3bd1f43f701
Autor:
Kanok Boriboonsomsin, Thomas Durbin, George Scora, Kent Johnson, Daniel Sandez, Alexander Vu, Yu Jiang, Andrew Burnette, Seungju Yoon, John Collins, Zhen Dai, Carl Fulper, Sandeep Kishan, Michael Sabisch, Doug Jackson
Publikováno v:
Data in Brief, Vol 18, Iss , Pp 1520-1543 (2018)
Real-world vehicle and engine activity data were collected from 90 heavy-duty vehicles in California, United States, most of which have engine model year 2010 or newer and are equipped with selective catalytic reduction (SCR). The 90 vehicles represe
Externí odkaz:
https://doaj.org/article/8ac42c072e6f4300a8b6626f21a15a25
Autor:
Christopher R. Ruehl, Tao Huai, Jorn D. Herner, Sharon Lemieux, Elena Florea, Seungju Yoon, Shaohua Hu, Tom Montes, Paul Henderick, Yi Tan, William H. Robertson, Jenna Latt, Abraham Lee
Publikováno v:
Environmental Science & Technology. 55:13657-13665
This work evaluated the nitrogen oxide (NOx) emissions of 277 heavy-duty diesel vehicles (HDDVs) from three portable emission measurement system testing programs. HDDVs in these programs were properly maintained before emission testing, so the malfun
Autor:
Xiaoliang, Wang, Steven, Gronstal, Brenda, Lopez, Heejung, Jung, L-W, Antony Chen, Guoyuan, Wu, Steven Sai Hang, Ho, Judith C, Chow, John G, Watson, Qi, Yao, Seungju, Yoon
Publikováno v:
Environmental pollution (Barking, Essex : 1987).
Particulate Matter (PM) concentrations near highways are influenced by vehicle tailpipe and non-tailpipe emissions, other emission sources, and urban background aerosols. This study collected PM
Autor:
Brenda Lopez, Xiaoliang Wang, Lung-Wen Antony Chen, Tianyi Ma, David Mendez-Jimenez, Ling Cui Cobb, Chas Frederickson, Ting Fang, Brian Hwang, Manabu Shiraiwa, Minhan Park, Kihong Park, Qi Yao, Seungju Yoon, Heejung Jung
Publikováno v:
Science of The Total Environment. 883:163561
Autor:
Kanok Boriboonsomsin, Guoyuan Wu, George Scora, Sonya Collier, Fuad Un-Noor, Seungju Yoon, Harikishan Perugu
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2675:809-820
Despite the significant progress in on-road vehicle electrification, the majority of construction equipment types are still using conventional diesel engines. Though there has been a steady flow of studies in this field, not all equipment types have
Autor:
Brenda Lopez, Xiaoliang Wang, Antony Chen, Tianyi Ma, David Mendez-Jimenez, Ling Cui Cobb, Chas Frederickson, Qi Yao, Seungju Yoon, Heejung Jung
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Energy. 263:125914