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시뮬링크를 기반으로 한 파워 트렁크 리드 시스템의 동역학 모델링 및 제어기 설계
이상운(Sang-Woon Lee),이재천(Jae-Cheon Lee),류하오(Hao Liu),최영일(Young-Il Choi),정병대(Byoung-Dae Jung),윤근하(Gun-Ha Yoon) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
Nowadays PTL(Power Trunk Lid) system is used to provide convenience to drivers and passengers by supplying additional power for existing trunk lid. In the paper the mathematical dynamical model of a PTL system is first constructed, and the simulation without control is performed to show the process of the trunk lid opening. Next in order to operate the trunk lid smoothly and safely, based on the above analytical dynamic model a PI controller is designed by using Matlab/Simulink. The simulation results indicate that the trunk lid is properly controled in the process of open, stop and close, which is closed to the set speed profile.
이상운(Sang Yoon Lee),이한기(Han Ki Lee),김정호(Jeong Ho Kim),강명원(Myung Weon Kang),박순희(Sun Hi Park),여향순(Hyang Soon Yeo),정판기(Pan Ki Jeoung),박홍배(Hong Bae Park) 대한내과학회 1987 대한내과학회지 Vol.32 No.6
N/A Hemorrhage from esophageal varices is a difficult problem for which there is no completely solution, Sixty-three patients (eight-five cases) have been treated with endoscopic injection sclerotherapy (EIS). All patients had documented variceal hemorrhage and underwent EIS while bleeding or shortly thereafter. The observed results are summarized as follows: 1) The duration of EIS from onset of hematmesis and/or melena was within 72 hours mostly, and the frequency of EIS was one to six times. 2) There were no noticable changes in Hemoglobin, SGOT, Serum bilirubin and serum albumin before and after EIS. 3) The amounts of blood transfusion was decreased significantly after EIS. 4) There were mild complications after EIS, but were serious complication or death relate to EIS. 5) The mortality rate was 13% in follow up period. Based on these results, we concluded that EIS is recommanded for managing variceal hemorrhage with- out serious complication.
허윤준(yoon-joon hur),정하민(Ha-min Jung),오하나(Ha-na Oh),최승혜(Seung-hye Choi),이상운(Sang-un Lee) 한국방송·미디어공학회 2023 한국방송공학회 학술발표대회 논문집 Vol.2023 No.11
COVID-19 의 영향으로 E-스포츠의 수요가 늘고 있다. 최근에는 2022 항저우 아시안게임에서 정식종목으로 채택되었고, 대학교 행사나 지역사회에서도 E-스포츠 대회를 어렵지 않게 접할 수 있다. 본 논문에서는 NDI 을 이용해 E-스포츠 중계 시스템을 제안한다. 제안한 시스템은 누구나 간단히 이용하고 응용할 수 있게 설계한다.
닭에서 분리한 Clostridium perfringens의 독소형
박경윤,이상운,유한상,예재길,Park, Kyoung-yoon,Lee, Sang-un,Yoo, Han-sang,Yeh, Jae-gil 대한수의학회 1996 大韓獸醫學會誌 Vol.36 No.4
Clostridium perfringens has been identified as a causative organism in necrotic enteritis in chicken. The bacterium has been classified into five toxigenic types (A through E) based on the pattern of the production of major lethal toxins. Seroneutralization with mice or guinea pigs usually has been used to type the organism. Of the types, types A and C of the bacterium had been recognized as the major pathogenic types in chicken. In this experiment, we isolated nine field strains of C perfringens from chicken showing necrotic enteritis in clinical symptoms and pathologic findings and identified by biochemical tests. In order to type the organism, a multiplex polymerase chain reaction (PCR) was used with primers on major lethal toxin genes instead of seroneutralization. Amplification of only a toxin gene with the PCR suggested that the disease in chicken was due to type A of C perfringens in Korea. Furthermore, the PCR method can be replaced with seroneutralization to type C perfringens in future.
폐쇄신경 포착으로 인한 고관절 통증 환자의 복합한방치료: 증례보고
추희영 ( Hui-yeong Chu ),이상운 ( Sang-woon Lee ),배인수 ( In-su Bae ),윤경영 ( Kyung-young Yoon ),윤준흠 ( Jun-heum Youn ),황동욱 ( Dong-wook Hwang ),조현우 ( Hyun-woo Cho ) 한방재활의학과학회 2020 한방재활의학과학회지 Vol.30 No.3
This study reports on the effectiveness of Korean traditional medicine treatment on a patient with right hip pain caused by obturator nerve entrapment due to ganglion cyst. The patient had been misdiagnosed for a stenosis at the other hospital, but he got a different diagnosis this time with the examination. The patient was treated with Korean traditonal medicine, which includes pharmacopuncture, acupuncture, manual treatment (Chuna), and herbal medicine. Numerical rating scale (NRS), Oswestry Disability Index (ODI) and Euroqol five dimension (EQ-5D) index were used as a objective tool for evaluating the patient's symptoms. After treatment, NRS and ODI were decreased, while EQ-5D index was increased. This study suggests that a combined Korean traditional medicine may be effective in reducing symptoms related to obturator nerve entrapment. (J Korean Med Rehabil 2020;30(3):163-169)
신형민(Shin, Hyung-Min),김성민(Kim, Sung-Min),송재연(Song, Jae-Yeon),유다솜(Yu, Da-Som),최혜주(Choi, Hye-Ju),윤지현(Yoon, Ji-Hyun),강다혜(Kang, Da-Hye),이상운(Lee Sang-Un) 한국방송·미디어공학회 2017 한국방송공학회 학술발표대회 논문집 Vol.2017 No.11
기존 중계시스템은 모든 신호들이 유선으로 연결되어 있어 중계차가 접근 할 수 없는 지역에서는 운용의 어려움 등 이동과 거리에 제약이 있다. 또한 수많은 케이블이 필요하기 때문에 결선작업이 복잡하고 작업시간이 오래 걸리는 단점을 가지고 있어 무선 중계 시스템을 이용하여 프로그램을 제작하면 이러한 문제점을 해결할 수 있다. 이에 본 논문에서는 RF무선영상송수신기와 백팩 LTE등 무선중계시스템의 장단점을 비교분석하였고 이에 통해 효율적인 무선중계시스템을 설계하였다. 또한, 제안된 시스템을 이용하여 방송중계업무의 편리성이 극대화하고 새로운 형태의 방송 포맷을 개발할 수 있도록 하였다.
노영만(Young-Man Roh),박화미(Wha Me Park),이철민(Choel Min Lee),김윤신(Yoon Shin Kim),이상운(Sang Woon Lee),석미희(Mi Hee Suk),정춘화(Chun Hwa Jeong) 한국실내환경학회 2007 한국실내환경학회지 Vol.4 No.3·4
This study was performed to investigate the characteristics of asbestos distribution in 6 public and 6 school buildings from August to September in 2006. The bulk samples were analysed by PLM(polarized light microscope). Also the airborne samples were analysed PCM(phase contrast microscope) and confirmed by SEM-EDX(scanning electron microscope-energy dispersive using X-ray analysis) method. The 6 public buildings included the ACM(asbestos containing material) ranged 2-7 % of chrysotile in 70 % of samples from ceiling, floor tile, and wall board and has 20 % tremolite in 2 ceiling plaster. The 6 school buildings were identified 1.5 % tremolite in one sample and showed the similar asbestos distribution with the public building. The airborne concentrations of fiber materials were ranged with 0.000-0.017 f/cc in public places and 0.000-0.012 f/cc in school building by PCM. However, the asbestos fibers could not be found by SEM-EDX. In the result of physical assessment of ACM in each buildings, it is considered that there is no chance of a hazardous situation because the ACM is not friable. Its suggested that the asbestos control plan should be established to prevent asbestos exposure to occupants from damaged ACM by repairing and custodial work.
간장 및 담도 : 담도결석 (膽道結石) 제거수술예의 (除去手術예) ERCP 진단적의 (診斷的義
박홍배(Hong Bae Park),전병철(Byung Chul Jun),조정열(Jung Youl Han),이상운(Sang Yoon Lee),김재원(Jae Won Kim),김규순(Kyu Soon Kim),명재일(Jae Il Myung),여향순(Hyang Soon Yoo) 대한소화기학회 1986 대한소화기학회지 Vol.18 No.1
N/A We performed 1856 cases of ERCP from 1976 to August 1985 and among them we analyzed 116 cases of ERCP after biliary stone surgery. 1) Among 1856 cases of ERCP, biliary tract diseases were 709 cases(38.2%), and among 709 cases, 336 cases(47.4%) had stones in the biliary tract. Among 709 cases, 116 cases of ERCP after biliary tract surgery demonstrated following data. 2) Almost all cases of 116 cases(16.4%) of ERCP received cholecystectomy due to gall stone and the duration from operation to ERCP were variable. Many cases received operation in the private hospital but 31.4% cases received operation in the general hospital and university hospital. 3) Sex distribution in ERCP 116 cases of biliary tract surgery showed predominence in the female(62.1%) and most of the cases were over 40 years of age. SGOT and serum bilirubin were normal in half the cases, but alkaline phosphatase was elevated in 80 cases. Clinical impression in ERCP 116 cases of biliary tract surgery were in the order of remained CBD stone(67 cases), obstructive jaundice(24 cases), T-tube CBD stone(10 cases), pancreatitis(5 cases), cholangitis(4 cases), postop jaundice(2 cases), etc. 4) 111 cases in 116 cases of biliary tract surgery were performed ERCP and ERCP demonstrated recurrent or remained biliary tract stone in 62 cases(53.4%) and chronic pancreatis in ERCP was demonstratated in 52 cases(44.8%) So we think that biliary stone induces duronic pancreatitis. Among 62 cases of recurrent or remained CBD stone EST was performed in 35 cases and after EST good results were obtained.
송전계통의 열화 되고 있는 기기에 대한 신뢰도 기반 유지보수 계획수립
허재행(Jae-Haeng Heo),박근표(Geun-Pyo Park),운용태(Yong Tae Yoon),박종근(Jong Keun Park),이상성(Sang-Seung Lee) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
In deregulated power market, Transmission companies not only decrease their operation costs, but also take opportunities to maximize their profit. On the other hand, they should operate to meet customer needs for reliability. In this respect, they need to make the maintenance strategies considering the tradeoff between cost and reliability. This paper proposes the equipment state modeling through modified semi-Markov chain that has deterioration stages by considering characteristics of equipment. Besides, the effects of equipment failure on the system are presented in terms of a cost using the DC-Optimal Power Flow (OPF). The paper includes test the results using Genetic Algorithm (GA) on the IEEE 9-bus system. The results show the optimal maintenance strategy which minimizes operation costs.
이상운,박경윤,유한상,예재길 대한감염학회 1996 감염 Vol.28 No.5
목 적 : 1992년 국내에서 가금티푸스가 처음 발생 보고된 이후 1994년부터 전국적으로 폭발적인 발생을 보였다. 본 실험에서는 국내 가금류에서 발생한 가금티푸스 발생 상황과 감염 경로를 조사하고자하였다. 방 법 : 본 질병의 발생 역학적사항과 본 질병 가금류로부터 Salmonella spp. 을 분리 동정하였다. 발병 가금류로부터 분리한 S.gallinarum의 생화학적인 성상, 항균 물질에 대한 감수성 양상, 그리고 plasmid profile 등을 조사하였다. 결 과 : 각 지역의 가금티푸스 발생은 대부분 감염 가금류의 이동에 따른 수평 감염에 의한 것이었다. 가금티푸스 발생 사례 77건 중에 수평 감염에 의한 발생 사례는 67(87%)건이었고, 수직 감염에 의한 발병은 육계 초생추에서 10(13%)건이 확인되었다. S. gallinarum 분리주 73주에 대한 생화학적 성상과 항균 물질에 대한 감수성 pattern은 분리된 지역에 관계없이 동일한 양상을 보였다. plasmid 분리를 시도한 44개 균주 중 43개 균주에서 85 kb, 2.7 kb, 그리고 1.4 kb의 3개 plasmid를 가지는 동일한 pattern을 나타내었으며, 1 균주만이 85 kb 크기의 1 개 plasmid를 가지고 있는 것으로 나타났다. 결 론 : 이상의 결과로 미루어 볼 때 국내 가금류에서 발생한 가금티푸스는 동일한 오염원에 의해 전국적인 전파가 이루어졌고 또한 같은 성상을 가진 동일한 균주에 의해 감염이 이루어진 것으로 보여진다. Background : Fowl typhoid was firstly reported in 1992 in Korea and an outbreak of the disease has been reported through whole country since 1994. In order to investigate the origin of the disease, causative strains, prevalence and routes of transmission, epidemiological studies were performed. Methods : Occurrence of the disease was analyzed by year and area. Isolation and identification of Salmonella spp. were carried out. Also, 73 isolates of Salmonella gallinarum were examined for biochemical characteristics, antimicrobial susceptibility, and 44 isolates for plasmid content. Results : Most of the transmission in fowl typhoid was horizontal (87%) from flock to flock rather than vertical (13%), even though it is an egg-transmitted disease. The isolates of S. gallinarum from flocks with clinical signs were very similar in biochemical characteristics, antimicrobial susceptibility patterns and plasmid profiles regardless of year and area of isolation. However, there was one strain that harbored only 85 kb plasmid whereas the others contained 3 different kinds of plasmids ; 85 kb, 2.7 kb and 1.4 kb. Conclusion : These results suggested that fowl typhoid in Korea was spread from one source and by single epidemic S. gallinarum strain. We conclude one of the solutions for the outbreak of fowl typhoid is not to buy poultry from infected farm.