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이상화,신희연,김정화,김연진,조승연,박정미,고창남,박성욱,Lee, Sang-hwa,Shin, Hee-yeon,Kim, Jeong-hwa,Kim, Yeon-jin,Cho, Seung-yeon,Park, Jung-mi,Ko, Chang-nam,Park, Seong-uk 대한한방내과학회 2017 大韓韓方內科學會誌 Vol.38 No.5
Objectives: The objective of this study was to report a clinical case that suggests potential beneficial effects of Korean medicine therapy for the treatment of levosulpiride-induced acute dyskinesia. Methods: A patient having drug-induced acute dyskinesia was given a series of Korean medicine therapy treatments, including administration of the herbal medicine Chengsimyeonja-tang-gamibang, acupuncture, electroacupuncture, pharmacopuncture, and moxibustion over the 17 days of the hospitalization period. During the therapy, the progression of the disease was measured by the Abnormal Involuntary Movement Scale (AIMS). Results: During the therapy, the remission of orofacial dyskinesia and improvement of AIMS scores were observed. Conclusion: Korean medicine therapy has potential benefits for the treatment of drug-induced acute dyskinesia.
이상화,손영태,Lee,Sang-Hwa,Son,Young-Tae 한국방재학회 2008 한국방재학회 학술발표대회논문집 Vol.2008 No.1
In Korea, although the damage from disaster (flood and storm) is increasing, the early stage warning and countermeasure are not in operation rapidly. The research areas of transportation engineering arenot diverse, so once the road is flooded and interrupted, drivers, the system operators and managers are in panic, and nearby roads are in terrible traffic congestion. In case of Korea, the research of evacuation is highly needed, because it is very necessary and easy to apply in real field. In this paper, we establish the concept of transportation disaster prevention system and suggest the directions of it. In addition, based on this research, we choose one example of disasters and establish an example of the transportation disaster prevention system. Our goal is to make steps; prevention, preparation, countermeasure and restoration in the view of minimizing on social chaos and damages emphasizing aspect of transportation countermeasure. This research will be the good precedent of approach, analysis and countermeasure when the disasters are occurred, and a basis of transportation disaster prevention system and manual in Korea.
이상화,Lee, Sang-Hwa 한국주거학회 2007 한국주거학회 논문집 Vol.18 No.3
This study is aimed at understanding objectively on the visual perception of atypical space and form in contemporary architecture. It is accomplished to compose the various form and the atypical space in contemporary architecture, which by means of applying digital technology to architecture is able to materialize complicated form and space. Therefore this the sis is needed to understand user's senses and affects in atypical space and form. Atypical space is able to interpret geometrically and analyze quantitatively into visual perception. This analysis is applied to Isovist used as quantitative analysis recently, and physical analysis of space used as quantitative analysis defined to vertical elements, which is analysed comparatively to visual perception in observer's point and characteristics in spatial elements. Examples are selected to four examples represented to typical and atypical space in contemporary houses. As examples are analysed to visual perception of spatial character, this study is intended to understand to spatial character in aspects of spatial composition and observer's visual perception. In results of perceptive analysis on four spatial examples, Atypical spaces are composed of changeable spatiality, which are composed changeably of the relational method with adjacent spaces. Also, typical spaces are composed monotonously of spatiality and relational method on control of the length in boundary plane and openness.
Edge Node간 단일 홉을 갖는 다중링 기반의 광네트워크 구성 및 특성
이상화,이희상,한치문,Lee, Sang-Hwa,Lee, Heesang,Han, Chimoon 대한전자공학회 2004 電子工學會論文誌-TC (Telecommunications) Vol.41 No.6
최근 WDM 기술을 적용한 광네트워크에서 중계 노드로 광크로스커넥터를 적용함으로써, 중계 노드에서 트래픽 병목 현상에 의해 지연이 발생하고 있다. 본 논문에서는 이러한 문제점을 해결하기 위한 방안으로 EN(Edge Node)간 단일 홉을 갖는 다중링 유형의 다파장 레이블 기반의 광패킷 네트워크 구조를 제안하였다. 제안한 방식에서 이용되는 광패킷 구성 방법과 다파장 레이블을 이용하여 다중링 기반의 광네트워크를 구성 할 경우, 단일 Optical 대역과 다중 Optical 대역을 이용하여 구성 가능함을 제시하고, 두 방식의 특성을 비교 분석하였다. 이때, EN의 출력에서 광패킷 충돌이 발생하여 광패킷 손실이 발생하는데 이 문제를 해결하기 위해 광패킷을 정적 및 동적으로 타임 슬롯에 할당하는 방안을 제시함으로써 패킷 충돌 회피가 가능함을 분명히 하였다. 그리고 제안한 방식에서 지연은 EN에서만 발생하므로 CN(Core Node)에 의한 지연은 발생하지 않는다. 따라서 본 방식에서 제안한 광네트워크에 대해 EN의 패킷 손실 특성과 호손율, 지연 특성을 분석하고, 본 방식의 우수성과 실현 가능성을 나타냈다. This paper proposes architecture and characteristics of a multi-ring based optical network with single-hop between edge nodes using the concept of circuit switching and multi-wavelength label switching to solve delay problem caused by applying crossconnectors as transit nodes in the wavelength division multiplexing(WDM) network. We suggest multi-ring based architecture composed single and multiple wavelength-bands with multi-wavelength labels, and analyze characteristics of two models. To avoid the packet collision in output ports of edge nodes due to output contention, the static and dynamic allocation scheme, which packets are allocated in time slots, is provided. Based on our analysis, it shows that delay only occur in not core nodes but edge nodes in the proposed architecture. In addition, we evaluate the probabilities of delay, packet loss, and call blocking in the proposed optical packet network.
이상화,이호인 ( Sang Hwa Lee,Ho In Lee ) 한국공업화학회 1993 공업화학 Vol.4 No.3
담지된 백금촉매에 주석의 첨가는 포화탄화수소의 탈수소고리화 반응에 대한 촉매의 활성 및 안정도의 현저한 증가를 가져왔다. n-octane의 탈수소고리화 반응에서 0.75wt%의 Pt에 대해 주석의 몰비가 약 4일 때 가장 높은 촉매적 활성을 나타냈다. 또한 K의 첨가도 n-hexane의 탈수소고리화 반응에 대해 주석과 비슷한 효과를 나타내었다. n-octane의 전환반응의 경우에는, K의 첨가 효과가 적게 나타났다. The addition of Sn to Pt/γ-Al_2O_3 catalyst greatly enhanced the activity and decreased the deactivation rate for the dehydrocyclization of paraffins. For the dehydrocyclization of n-octane, there appeared to be an optimal ratio of Pt:Sn= 1 :4 for 0.75 wt% Pt/γ-Al_2O_3 catalyst. The addition of K to Pt/γ-Al_2O_3 also produced a similar effect on the dehydrocyclization of n-hexane. In the case of n-octane, the addition of K led to a less selective catalyst.
이상화,최동식,Lee, Sang-Hwa,Choi, Dong-Sik 한국주거학회 2007 한국주거학회 논문집 Vol.18 No.3
This study is aimed at interpreting into changes and characters of function applied into quantative analysis in ubiquitous house. Digital technology being introduced into architectural fields, It applied expansively from design and construction to user's convenience. The application of digital technology is presented to various change like effectiveness and exactness in design and function of space, which is overlayed digital space to physical space beyond the extent of receiving human needs in physical space. In ubiquitous house, digital technologies are supplied to function coordinated with life, appreciating into positional informations of human and materials, spatial informations. Ubiquitous house is comparably effective into funtional expansion, user's convenience, safty, which, for the future, is going to using on housing of high performance encouraging the application of advanced technology. Therefore this study is classified into human behaviors, functions, performances and characters of digital system in ubiquitous house, which being established into the relation of elements, is interpreted numerically into functional changes and charats being applied to ARM.
Servo 구동 장력 조절 장치 최적화 설계에 관한 연구
이상화,정혜천,이혁진,이재원,전두환,Lee, Sang-Hwa,Jeong, Hye-Cheun,Lee, Huck-Jin,Lee, Jeh-Won,Chun, Du-Hwan 한국섬유공학회 2008 한국섬유공학회지 Vol.45 No.3
Tension control of fiber manufacturing process system is usually achieved by using loadcell and powder clutch, which require additional mounting space, reduce the reliability in harsh environments and increase the cost of the system. The physical properties of textile fabrics are very sensitive to several factors(temperature, humidity, radius change of warp beam etc.)which result in tension change. In this paper, the optimal tension control of servo motor driver system using PI control algorithm is presented. The proposed tension algorithm is robust to disturbance and tension variation. First the modeling and dynamic behaviors of the tension system is described. Then validity and usefulness of the proposed algorithm and mechanical system are thoroughly verified through numerical simulation and actual conditions.