Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Ji-Hyeong Lee"'
Autor:
Dae-Hyeong Ji, Jung-Han Lee, Sung-Hyub Ko, Jong-Wu Hyeon, Ji-Hyeong Lee, Hyeung-Sik Choi, Sang-Ki Jeong
Publikováno v:
Applied Sciences, Vol 13, Iss 20, p 11367 (2023)
This study entailed the design and analysis of a 400 m class underwater glider operated by a bladder-type buoyancy engine. The underwater glider was designed for high-speed movement with a maximum velocity of 2 knots. The shape of the hull was design
Externí odkaz:
https://doaj.org/article/d26a6f22e59a4c909192693bf17d1bb5
Autor:
Han-Sol Jin, Hyunjoon Cho, Ji-Hyeong Lee, Huang Jiafeng, Myung-Jun Kim, Ji-Youn Oh, Hyeung-Sik Choi
Publikováno v:
한국해양공학회지, Vol 34, Iss 6, Pp 475-480 (2020)
Underwater operating platforms face difficulties regarding power supply and communications. To overcome these difficulties, this study proposes a hybrid surface and underwater vehicle (HSUV) and presents the development of the platform, control algor
Externí odkaz:
https://doaj.org/article/2342cb7e984a40298de97293bcb2f938
Autor:
Ji-Hyeong Lee, Sang-Ki Jeong, Dae-Hyeong Ji, Hae-Yong Park, Do-Young Kim, Ki-Beom Choo, Dong-Wook Jung, Myung-Jun Kim, Myoung-Hak Oh, Hyeung-Sik Choi
Publikováno v:
Applied Sciences, Vol 13, Iss 5, p 3120 (2023)
To overcome the limitations of a single unmanned surface vehicle (USV), this study investigated the swarm control algorithms of USVs. Among various swarm control methods, a leader–follower swarm control method was selected and studied. The performa
Externí odkaz:
https://doaj.org/article/a47c558aab11480c9fed976db1731091
Autor:
Jiafeng Huang, Hyeung-Sik Choi, Dong-Wook Jung, Ji-Hyeong Lee, Myung-Jun Kim, Ki-Beom Choo, Hyun-Joon Cho, Han-Sol Jin
Publikováno v:
Applied Sciences, Vol 11, Iss 17, p 8212 (2021)
Net buoyancy, as the main power source for the motion of an underwater glider, is affected by the pump or bladder that the glider adopts to change its buoyancy force in water. In this study, a new underwater glider that can dive to a depth of 400 m a
Externí odkaz:
https://doaj.org/article/f595deb9287b4fa6aa00f81a36e82650
Publikováno v:
Machines, Vol 9, Iss 7, p 133 (2021)
Unmanned Surface Vessels (USVs) have witnessed an increasing growth in demand for development due to their compactness, mobility and maneuverability, which make them well-suited for environmental monitoring on narrow water in Vietnam in particular an
Externí odkaz:
https://doaj.org/article/e2caf682db1644c79e5ffb4874093afc
Autor:
Ji-Hyeong Lee, Jin-Ho Shin
Publikováno v:
Korean Journal of Sports Science. 30:453-462
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1aaa07f06fd01ce93c0df32e358064de
https://doi.org/10.35159/kjss.2021.10.30.5.453
https://doi.org/10.35159/kjss.2021.10.30.5.453
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14aed7bfa3c87a76ae14dfe39ef62018
https://doi.org/10.18494/sam3991
https://doi.org/10.18494/sam3991
Autor:
Han-Sol Jin, Hyunjoon Cho, Huang Jiafeng, Ji-Hyeong Lee, Myung-Jun Kim, Sang-Ki Jeong, Dae-Hyeong Ji, Kibum Joo, Dongwook Jung, Hyeung-Sik Choi
Publikováno v:
Ocean Engineering. 253:111321
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c5d855d11405f742e2a109fe447f210
https://doi.org/10.1016/j.oceaneng.2022.111321
https://doi.org/10.1016/j.oceaneng.2022.111321
Publikováno v:
Facial plastic surgery : FPS. 36(5)
Differences between Oriental and Caucasian eyelids have been explained in great detail in several reports in the past. The purpose of this article is to discuss the functional aspects of Asian double fold upper blepharoplasty and to present technique
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::692abb259dbbbeac7e148e202e39b62d
https://pubmed.ncbi.nlm.nih.gov/33368080
https://pubmed.ncbi.nlm.nih.gov/33368080
Publikováno v:
Soil Dynamics and Earthquake Engineering. 151:106998
Scour is one of the most characteristic interactions between fluid and soil, and it can cause fatal structural or natural damage. In this study, Incompressible Smoothed Particle Hydrodynamics (ISPH) was used to overcome the drawbacks of FVM (Finite V
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::81393b848c706005fe4ff4304d15d56a
https://doi.org/10.1016/j.soildyn.2021.106998
https://doi.org/10.1016/j.soildyn.2021.106998