Zobrazeno 1 - 10 of 64 pro vyhledávání: '"Rag-Gyo Jeong"'
1
Akademický článek
Vehicle Position Estimation Based on Magnetic Markers: Enhanced Accuracy by Compensation of Time Delays
Autor: Yeun-Sub Byun, Rag-Gyo Jeong, Seok-Won Kang
Publikováno v: Sensors, Vol 15, Iss 11, Pp 28807-28825 (2015)
The real-time recognition of absolute (or relative) position and orientation on a network of roads is a core technology for fully automated or driving-assisted vehicles. This paper presents an empirical investigation of the design, implementation, an
Externí odkaz: https://doaj.org/article/5808f80a6be743d0b52849be905a9aa7
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2
Akademický článek
Sensor Fault Detection and Signal Restoration in Intelligent Vehicles
Autor: Yeun-Sub Byun, Baek-Hyun Kim, Rag-Gyo Jeong
Publikováno v: Sensors, Vol 19, Iss 15, p 3306 (2019)
This paper presents fault diagnosis logic and signal restoration algorithms for vehicle motion sensors. Because various sensors are equipped to realize automatic operation of the vehicle, defects in these sensors lead to severe safety issues. Therefo
Externí odkaz: https://doaj.org/article/bb1ba2280ed249a79dc1e9cdc101eddb
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3
Akademický článek
Optimization of Speed Profiles and Time Schedule of the Urban Rail Transit for Energy-Efficient Operation
Autor: Yeun Sub Byun, Rag Gyo Jeong
Publikováno v: IEEE Access, Vol 11, Pp 146030-146041 (2023)
Various optimal control strategies based on dynamic programming (DP) have been devised with the primary objective of energy conservation in the operation of Metro systems. Essentially, the DP algorithms strive to define a speed profile that reduces e
Externí odkaz: https://doaj.org/article/7e824c4e52eb4b8889589eeeca5c7468
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4
Akademický článek
Optimization of Driving Speed of Electric Train Using Dynamic Programming Based on Multi-Weighted Cost Function
Autor: Yeun Sub Byun, Rag Gyo Jeong
Publikováno v: Applied Sciences, Vol 12, Iss 24, p 12857 (2022)
Trains are a large-capacity means of transportation, and they are preferred for long as well as short distances. Although trains are one of the most efficient modes of transportation for freight and passengers, they consume a significant amount of en
Externí odkaz: https://doaj.org/article/6ae2abd499314d429543abdab01e950c
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8
Saliency Cuts: Salient Region Extraction based on Local Adaptive Thresholding for Image Information Recognition of the Visually Impaired
Autor: Mukhriddin Mukhiddinov, Rag-Gyo Jeong, Jinsoo Cho
Publikováno v: The International Arab Journal of Information Technology. 17:713-720
In recent years, there has been an increased scope for assistive software and technologies, which help the visually impaired to perceive and recognize natural scene images. In this article, we propose a novel saliency cuts approach using local adapti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5074f13fb2fe8a01215296c74315a67e
https://doi.org/10.34028/iajit/17/5/4
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9
Comparisons Between Braking Experiments and Longitudinal Train Dynamics Using Friction Coefficient and Braking Pressure Modeling in a Freight Train
Autor: Rag-Gyo Jeong, Don Bum Choi, Yongkook Kim, Jangbom Chai
Publikováno v: The Open Transportation Journal. 14:154-163
Background: This paper describes the predictions and validation of the pneumatic emergency braking performance of a freight train consisting of a locomotive and 20 wagons, generally operated in Korea. It suggests the possibility of replacing the expe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::136397f9765099b20f2465074ceb0c45
https://doi.org/10.2174/1874447802014010154
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