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Autor:
Sang-Bo Han
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 36:16-20
Autor:
Sang-Bo Han
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 34:55-60
Autor:
Sang-Bo Han
Publikováno v:
The transactions of The Korean Institute of Electrical Engineers. 68:1580-1585
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 40 (2021)
In this study, an active mass damper that could track desired displacement was considered as a controller to suppress vibrations of a plate. Multi-input multi-output modal-space negative acceleration feedback control algorithm and decentralized multi
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 28:1-12
This paper is proposed to design the new heat-sink apparatus for improving the heat transfer characteristics in the power LED chip, and results of the operation characteristics were discussed. The core design is that the soldering through-hole on the
Autor:
Moon K. Kwak, Sang-Bo Han
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 24:317-323
This study is concerned with the free vibration analysis of an inextensible uniform rope with a spring-mass system at the tip. The rope is hanged vertically in a gravitational field. This problem is related to the free vibration of an elevator rope c
Publikováno v:
Journal of the Korean Physical Society. 63:1819-1823
We fabricated 4H-SiC PiN diodes to analyze the correlation between the reverse characteristics, including current-voltage and failure characteristics, and defects. The leakage current and electroluminescense (EL) were measured at prebreakdown voltage
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 27:45-51
This study is to discuss simulation results with 51 principal chemical reactions in non-thermal plasma space under atmospheric pressure, and the ambient gas was mainly composed of oxygen and nitrogen molecules. The initial density of O and OH radical
Autor:
Sang-Bo Han, Moon-K. Kwak
Publikováno v:
Transactions of the Korean Society for Noise and Vibration Engineering. 22:29-37
This paper is concerned with the natural vibration characteristics of a rectangular plate with a rectangular hole in contact with the water. The addressed problem was solved by using the Rayleigh-Ritz method combined with the Green function method. T