Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Jung-Hyeun Park"'
Autor:
Jung-Hyeun Park, Hyunjoon Cho, Sang-Min Gil, Ki-Beom Choo, Myungjun Kim, Jiafeng Huang, Dongwook Jung, ChiUng Yun, Hyeung-Sik Choi
Publikováno v:
Applied Sciences, Vol 14, Iss 12, p 5235 (2024)
The objective of this study was to perform fault diagnosis (FD) specific to various faults that can occur in the thrusters of remotely operated vehicles (ROVs) during hovering control. Underwater thrusters are predominantly utilized as propulsion sys
Externí odkaz:
https://doaj.org/article/c287f950cf2f4634bad24bbe0f5ecf3b
Publikováno v:
Sensors, Vol 24, Iss 5, p 1697 (2024)
Among unmanned surface vehicle (USV) components, underwater thrusters are pivotal in their mission execution integrity. Yet, these thrusters directly interact with marine environments, making them perpetually susceptible to malfunctions. To diagnose
Externí odkaz:
https://doaj.org/article/98421f971f384209ab0aac93cf86202f
Autor:
Ki-Beom Choo, Hyunjoon Cho, Jung-Hyeun Park, Jiafeng Huang, Dongwook Jung, Jihyeong Lee, Sang-Ki Jeong, Jongsu Yoon, Jinhun Choo, Hyeung-Sik Choi
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 3344 (2023)
This study focuses on faults in the thrusters of unmanned surface vehicles, which are fatal to the integrity of their missions. As for the fault conditions, the breakage of the thruster blade and the entanglement of floating objects were selected, an
Externí odkaz:
https://doaj.org/article/96db296b71534789a2a334580cf4b87d
Autor:
Jiafeng Huang, Hyeung-Sik Choi, Dong-Wook Jung, Ki-Beom Choo, Hyunjoon Cho, Phan Huy Nam Anh, Ruochen Zhang, Joon-Young Kim, Daehyeong Ji, Jung-Hyeun Park
Publikováno v:
Applied Sciences, Vol 13, Iss 3, p 1551 (2023)
The twin hybrid autonomous underwater vehicle (THAUV) is a novel type of unmanned underwater platform that consists of a twin torpedo-shaped hull and is actuated by two buoyancy engines and two thrusters proposed in this paper. The THAUV was designed
Externí odkaz:
https://doaj.org/article/708a16e43c834445849a6f97340fb55b
Autor:
Jiafeng Huang, Hyeung-Sik Choi, Mai The Vu, Dong-Wook Jung, Ki-Beom Choo, Hyun-Joon Cho, Phan Huy Nam Anh, Ruochen Zhang, Jung-Hyeun Park, Joon-Young Kim, Huy Ngoc Tran
Publikováno v:
Journal of Marine Science and Engineering, Vol 10, Iss 7, p 891 (2022)
A typical structure of an underwater glider (UG) includes a pair of fixed wings, and the hydrodynamic force driving the glider forward as descending or ascending in the water is generated primarily by the fixed wings. In this paper, a simplified glid
Externí odkaz:
https://doaj.org/article/ff72e7be3b8447e99edd5125d54081dc
Autor:
Myungjun Kim, Hyunjoon Cho, Ki-Beom Choo, Huang Jiafeng, Dong-Wook Jung, Jung-Hyeun Park, Ji-Hyeong Lee, Sang-Ki Jeong, Dae-Hyeong Ji, Hyeung-Sik Choi
Publikováno v:
Sensors and Materials. 34:3213
Autor:
Jang-Hee Hahn, Jung-Hyeun Park, Seung Bae Park, Byung-Ryul Cho, Kyeong-Han Park, Jun-Seok Ahn, Dae Joong Kim, Min-kyung Kim
Publikováno v:
Biochemical and biophysical research communications. 376(4)
Tissue transglutaminase (TGase 2) has been reported to have multiple functions in addition to its function as a biological adhesive. To identify its roles, we investigated the effects of TGase 2 on gelatinase activity. The MMP-9 activity of certain c
Autor:
Hwa Jung Lee, Woo Seog Ko, Hyun Gwang Jung, Su Jin Lim, Yoon Sung Cho, Sung Nam Park, Joon Hoon Jeong, Tae Woo Kim, Kyu Lee, Kang Min Kim, Jung Hyeun Park, Jae Hoon Chang, Jin Woo Koh
Publikováno v:
Korean Circulation Journal. 36:214
Background and Objectives:Direct stenting (DS) has been shown to be safe and feasible, with demonstrable reductions in cost, procedural time and radiation exposure, and may also result in less vessel injury. The aim of this study was to compare the i