Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Won-gi Lee"'
Publikováno v:
Applied Sciences, Vol 12, Iss 21, p 11081 (2022)
Locating cracks in a solid object using acoustic emission (AE) is useful both for detecting defects during safety monitoring and for basic laboratory studies of fractures. We developed an acoustic source location (ASL) method without the use of veloc
Externí odkaz:
https://doaj.org/article/2a620157f6f8446388959487521f78ab
Publikováno v:
Transaction of the Korean Society of Automotive Engineers. 29:365-370
Publikováno v:
The Journal of The Korea Institute of Intelligent Transport Systems. 20:193-202
Publikováno v:
Shock and Vibration, Vol 2015 (2015)
Recently, in order to reduce high maintenance costs and to increase operating ratio in manufacturing systems, condition-based maintenance (CBM) has been developed. CBM is carried out with indicators, which show equipment’s faults and performance de
Externí odkaz:
https://doaj.org/article/155435cf13604890a688e37f9773168a
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture. :095440542211381
Fast steering mirror, a key component that can compensate for the distortion of the optical axis, plays an essential role in portable spectroscopic sensors. Because the performance of the fast steering mirror has a great influence on the accuracy of
Autor:
Won Gi Lee, Kyoung Don Lee, Won Hyun Park, Chan Hee Lee, Hyo-Sung Ahn, Myung Cho, Ho-Sang Kim, Young-Soo Kim, Ho Soon Yang, Je Heon Song, Jihun Kim
Publikováno v:
Applied Mechanics and Materials. 870:73-78
Fast-steering Secondary Mirror (FSM) will be installed to the Giant Magellan Telescope (GMT) as a first generation secondary mirror. The FSM implements a tip-tilt mechanism which compensates image degradations caused by wind turbulence and structure
Autor:
Kyoung-Don Lee, Uk-Won Nam, Ho-Sang Kim, Chan Hee Lee, Je Heon Song, Jihun Kim, Young-Soo Kim, Won Gi Lee
Publikováno v:
Advanced Science Letters. 23:4018-4021
Autor:
Chan Park, Hugo Chiquito, Frank Groark, Sanghyuk Kim, Byeong-Gon Park, Ho-Sang Kim, Paul Gardner, Bongkon Moon, Sungho Lee, Chang-Hee Kim, Jeong-Yeol Han, Il-Kwon Moon, Jieun Ryu, Won Gi Lee, Myung Cho, Youra Jun, Robert Bernier, Ueejeong Jeong, Ming Liang, Chan Hee Lee, Gary Poczulp, Christoph Dribusch, Yunjong Kim
Publikováno v:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation III.
The Fast-steering Secondary Mirror (FSM) of Giant Magellan Telescope (GMT) consists of seven 1.1 m diameter circular segments with an effective diameter of 3.2 m, which are conjugated 1:1 to the seven 8.4 m segments of the primary. Each FSM segment c
Autor:
Chan Park, Sanghyuk Kim, Jeong-Yeol Han, Byeong-Gon Park, Yunjong Kim, Sungho Lee, Won Gi Lee, Bongkon Moon, Hugo Chiquito, Jieun Ryu, Ming Liang, Chang-Hee Kim, Chan Hee Lee, Ho-Sang Kim, Gary Poczulp, Robert Bernier, Il-Kwon Moon, Paul Gardner, Frank Groark, Christoph Dribusch, Ueejeong Jeong, Myung Cho, Youra Jun
Publikováno v:
Ground-based and Airborne Telescopes VII.
The Fast Steering Secondary Mirror (FSM) for the Giant Magellan Telescope (GMT) will have seven 1.05 m diameter circular segments and rapid tip-tilt capability to stabilize images under wind loading. In this paper, we report on the assembly, integrat
Autor:
Hugo Chiquito, Jeong-Yeol Han, Chan Hee Lee, Paul Gardner, Robert Bernier, Ho-Sang Kim, Yunjong Kim, Chan Park, Won Gi Lee, Sanghyuk Kim, Ueejeong Jeong, Myung Cho, Frank Groark, Byeong-Gon Park, Bongkon Moon, Sungho Lee, Chang-Hee Kim, Il-Kwon Moon
Publikováno v:
Ground-based and Airborne Telescopes VII.