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- 저자 : 김상훈 (검색결과 3,097 건)
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김상훈,Jung Chunghwan,Mun Jungho,김무성,윤형건,장준호,고명철,이재용,노준석,김진곤 나노기술연구협의회 2022 Nano Convergence Vol.9 No.40
Stacked split-ring resonators (SSRR) arrays exhibiting polarization-sensitive dichroic responses in both visible and near-infrared wavelengths are realized over a centimeter-scale large area. The SSRR arrays are derived from pagoda-like nanorods fabricated from the self-assembly of a lamellae-forming polystyrene-b-poly (methyl methacrylate) copolymer (PS-b-PMMA) confined in cylindrical pores of anodized aluminum oxide (AAO) template. Along the nanorod direction, PS and PMMA nanodomains were alternately stacked with the same distance. Silver crescents and semi-hemispherical covers, which are essential for SSRR with the polarization sensitivity, were obliquely deposited on the single side of the nanorod after removing the AAO template and reactive-ion etching treatment. These sophisticated nanoscale architectures made by bottom-up fabrication can be applied to structural color, optical anti-counterfeiting, and commercial optical components in a large area.
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센서없는 직류서보전동기의 속도 제어를 위한 적응 고이득 관측기 설계
김상훈,김락교 대한전기학회 2003 전기학회논문지 D Vol.52 No.12
-This paper deals with speed control of DC servo motor using a Adaptive high gain obserber.In this parer, the gain of the observer is properly set up using the fuzzy control and adaptive high gain observer that have a superior transient characteristic and is easy to implement compared the existing method is designed.In order to verify the performance of the Adaptive high gain observer which is proposed in this paper, it is compared estimate performance of High-gain Observer and Adaptive High Gain Observer with the computer simulation.Effectiveness of the proposed high gain observer is proved from the experiment to compare the case with a speed sensor to the case with Adaptive high gain observer in the speed control of DC servo motor.
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김상훈,황락경,진준장,고일규,김용복,윤혜선,백성수 대한배뇨장애요실금학회 2021 International Neurourology Journal Vol.25 No.S2
Purpose: Exercise is a representative noninvasive treatment that can be applied to various diseases. We studied the effect of resistance exercise on motor function and spatial learning ability in Parkinson disease (PD) mice. Methods: The rotarod test and beam walking test were conducted to evaluate the effect of resistance exercise on motor function, and the Morris water maze test was conducted to examine the effect of resistance exercise on spatial learning ability. The effect of resistance exercise on brain-derived neurotrophic factor (BDNF) and tropomyosin receptor kinase B (TrkB) expression and 5’-adenosine monophosphate-activated protein kinase (AMPK) phosphorylation was investigated by Western blot analysis. New cell generation was confirmed by immunohistochemistry for 5-bromo-2’-deoxyuridine. Results: Resistance exercise improved coordination, balance, and spatial learning ability in PD mice. Resistance exercise enhanced new cell production, BDNF and TrkB expression, and AMPK phosphorylation in PD mice. The effect of such resistance exercise was similar to that of levodopa application. Conclusions: In PD-induced mice, resistance exercise enhanced AMPK phosphorylation to increase BDNF expression and new neuron generation, thereby improving spatial learning ability. Resistance exercise is believed to help improve symptoms of PD.
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김상훈 원광대학교 법학연구소 2011 圓光法學 Vol.27 No.2
The adult guardianship system was introduced into Korean civil code in 2011 and will be put into force in July 2013. It is necessary for us to discuss how a so-called guardianship court which deals with matter of adult guardianship is designed for it in Korean judicial system. There can be three kinds of court which will be able to be proposed. One is the adult guardianship court which is separated from family court and established through the country, another a guardianship division in family court which is established in the every corner of the country, the third a family division in the court of ordinary. I believe that among them the third one is a practica one as the situation now stands. However we must note that the detailed judicial processes for the matter of adult guardianship is much more valuable than the organization of a kind of court for that.
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