Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Sungwha Hong"'
Publikováno v:
Frontiers in Veterinary Science, Vol 11 (2024)
Brain perfusion allows for the evaluation of cerebral hemodynamics, particularly in brain infarcts and tumors. Computed tomography (CT) perfusion (CTP) provides reliable data; however, it has a limited scan field of view and radiation exposure. Magne
Externí odkaz:
https://doaj.org/article/917471ea136144ec89e77426229211bb
Autor:
Kangneoung Lee, Hyunjong Ha, Sunghyun Ahn, Sungwha Hong, Heon Kang, Seungjoon Heo, Hyunsoo Kim
Publikováno v:
Advances in Mechanical Engineering, Vol 10 (2018)
This article proposes a pressure control algorithm without a pressure sensor for a four-wheel-drive unit. To develop the control algorithm, dynamic models of the four-wheel-drive unit were obtained, including the motor, pump, and clutch. For feedback
Externí odkaz:
https://doaj.org/article/74ffc514c62b43518b0536f259ed3861
Autor:
Gyeonghwi Min, Minseok Song, Minhyo Kim, Sungwha Hong, Hyun-Chul Kim, Youngsun Choi, Hanho Son
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 230:1477-1487
In this study, a gear fork control algorithm for a dual-clutch transmission is proposed to improve the shift quality for the downshift from second gear to first gear during coast-down. First, to investigate the shift characteristics, a dual-clutch tr
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 230:308-321
In this paper, a shift control algorithm to improve the shift quality was proposed for an electric vehicle with a dry-type two-speed dual-clutch transmission. To analyse the shift characteristics of the target electric vehicle, dynamic models for the
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 228:1217-1231
This paper presents a mode shift control algorithm for reducing the variation in the driveshaft torque for a dual-mode power-split-type hybrid electric vehicle. To evaluate the shift characteristics of this hybrid electric vehicle, dynamic models for
Autor:
Sunghyun Ahn, Sungwha Hong
Publikováno v:
SAE International Journal of Passenger Cars - Mechanical Systems. 6:1505-1509
Autor:
Woulsun Choi, Sungwha Hong, Geontae Lee, Sunghyun Ahn, Hyun-Chul Kim, Hanho Son, Yong-Joo Kim
Publikováno v:
Scopus-Elsevier
World Electric Vehicle Journal
Volume 6
Issue 2
Pages 245-250
World Electric Vehicle Journal
Volume 6
Issue 2
Pages 245-250
In this paper, a motor-generator (MG) control algorithm was proposed to improve the shift quality for a dual mode power split transmission (PST) hybrid electric vehicle (HEV). In order to analyze the shift characteristics during the mode shift, Bondg
Autor:
Heon Kang, Hyun-Chul Kim, Seungjoon Heo, Sungwha Hong, Hyunjong Ha, Kangneoung Lee, Sunghyun Ahn
Publikováno v:
Advances in Mechanical Engineering, Vol 10 (2018)
This article proposes a pressure control algorithm without a pressure sensor for a four-wheel-drive unit. To develop the control algorithm, dynamic models of the four-wheel-drive unit were obtained, including the motor, pump, and clutch. For feedback
Publikováno v:
2012 IEEE Vehicle Power and Propulsion Conference.
This paper suggested a shift control algorithm for improving the shift quality(SQ) by modeling a dual clutch transmission(DCT)-type 2-speed transmission system for an electric vehicle(EV). In 2-speed transmission system, the driving comfort decreased