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김병준,최현범,이한협,이동한,김대연,권일범,Kim, Byung-Jun,Choi, Hyun-Beom,Lee, Han-Hyub,Lee, Dong-Han,Kim, Dae-Yun,Kwon, Il-Bum 한국광학회 2003 한국광학회지 Vol.14 No.2
높은 peak 값의 광 펄스 신호를 얻기 위하여 대역통과 필터(band pass filter)를 사용한 2단 구조 erbium-doped fiber amplifier (EDFA)를 구성하여 125 W peak 값과 32 ㏈ 소광비(extinction ratio)를 갖는 펄스 신호를 얻었다. 이때 pulse off power는 79 ㎽이다. pulse off power를 낮추고 소광비를 높이기 위하여 nonlinear optical loop mirror(NOLM)을 사용하였다. NOLM 을 통과한 펄스 신호는 35 W peak 값과 0.3 ㎽ pulse off power, 50.4 ㏈ 소광비를 갖는다. A two-stage erbium-doped fiber amplifier (EDFA) with a band pass filter is used to get optical pulses of high peak value. The pulse signal has a 32 ㏈ extinction ratio, 125 W peak power and 79 ㎽ pulse off power. A nonlinear optical loop mirror (NOLM) is used to lower the pulse off power so as to increase the extinction ratio. The pulse signal after the NOLM has a 50.4 ㏈ extinction ratio, 35 W peak power and 0.3 ㎽ pulse off power.
비급성 요통에 대한 무작위대조군 임상연구 수행을 위한 추나표준화 설문조사 보고
김병준,황의형,허광호,황만석,허인,송윤경,이정한,고연석,박태용,조재흥,이은정,문수정,하인혁,이민호,신병철,Kim, Byung-Jun,Hwang, Eui-Hyoung,Heo, Kwang-Ho,Hwang, Man-Suk,Heo, In,Song, Yun-Kyung,Lee, Jung-Han,Ko, Youn-Seok,Park, Tae-Young,Cho, Jae-He 척추신경추나의학회 2015 척추신경추나의학회지 Vol.10 No.2
Objectives : To find out the standardized chuna manual technique for non-acute low back pain. Methods : The survey questions were developed by the consensus from the professor who major in Rehabillitation Medicine of Korean Medicine(RMKM). August 15th to september 1st 2015, the questionnaire was given to 23 RMKM doctors by e-mail. 20(90.9%) the questionnaire were retrieved out. Standardized technique of chuna were selected through experts consesus based on questionaire results. Results : Two essential techniques and two selective techniques were selected as standardized Chuna manual technique for lumbar region. Six essential technique and one selective technique were selected as standardized Chuna manual technique for iliac region. Conclusions : This is the first consensus of experts opinion for Chuna manual technique for operating randomized controlled trials(RCT). These reports are helpful for Korean Medicine doctor who operate Chuna manual technique and expected to make clinical evidence of Chuna manual medicine
수평보강재로 1단 보강된 플레이트거더의 휨강도 평가 방안 연구
김병준,박용명,미키타 코발렌코,조광일,Kim, Byung Jun,Park, Yong Myung,Mykyta, Kovalenko,Cho, Kwang Il 한국강구조학회 2017 韓國鋼構造學會 論文集 Vol.29 No.4
현재의 AASHTO LRFD 및 Eurocode 3 기준은 수평보강 플레이트거더의 휨강도를 과소 평가하는 것으로 나타났다. 이는 웨브보강으로 인한 웨브-플랜지 상호작용을 적절히 고려치 않는 것에 그 원인이 있다. 즉, 웨브 보강 시 압축플랜지의 회전을 구속하는 효과가 증가하여 압축플랜지의 좌굴강도가 증가한다. 또한 압축플랜지와 수평보강재가 웨브의 회전을 구속함으로써 웨브의 일정 영역이 항복강도에 도달하게 된다. 본 연구에서는 수평보강재로 1단 보강된 플레이트 거더에 대해 압축플랜지의 좌굴강도 증가와 웨브의 실제 응력분포를 고려하여 휨강도를 합리적으로 평가하기 위한 모델을 제안하였다. 일반강(SM490) 및 고강도강(HSB800) 플레이트거더에 대해 비선형해석으로부터 휨강도를 평가하고 본 제안 모델의 적용성을 분석하였다. The current AASHTO LRFD and Eurocode 3 specifications have been found to underestimate the flexural strength of longitudinally reinforced plate girders. This is because the web-flange interaction is not considered appropriately when a web is reinforced. The buckling strength of compression flange increases due to the improved rotational restraint to the compression flange. Also, the compression flange and the longitudinal stiffener could constrain the web rotation, so that a certain area of the web reaches yield strength. In this study, a model for evaluating the flexural strength is proposed for plate girders reinforced with one line of longitudinal stiffeners, considering the increase of the buckling strength of the compression flange and the actual stress distribution of the web. The flexural strengths of the conventional steel(SM490) and the high-strength steel(HSB800) plate girders were evaluated from the nonlinear analysis and the applicability of the proposed model was analyzed.
김병준,한정혜,Kim, Byung-Jun,Han, Jeong-Hye 한국정보교육학회 2005 정보교육학회논문지 Vol.9 No.3
To facilitate interaction between home robot and humans, it's urgently needed to make in-depth research in Human-Robot Interaction(HRI). The purpose of this study was to examine how children interacted with a newly developed home robot named 'iRobi' in a bid to identify how the home robot affected their psychology and the effectiveness of learning through the home robot. Concerning the psychological effects of the home robot, the children became familiar with the robot, and found it possible to interact with it, and their initial anxiety was removed. As to its learning effect, the group that studied by using the home robot outperformed the others utilizing the other types of learning media (books, WBI)in attention, learning interest and academic achievement. Accordingly, home robot could serve as one of successful vehicles to expedite the psychological and educational interaction of children.
성인 변비에 대한 추나요법의 효과 : 체계적 문헌 고찰
김병준,황의형,허인,임경태,조주찬,신병철,Kim, Byung-Jun,Hwang, Eui-Hyoung,Heo, In,Lim, Kyeong-Tae,Cho, Ju-Chan,Shin, Byung-Cheul 척추신경추나의학회 2016 척추신경추나의학회지 Vol.11 No.2
Objectives : This study aimed to determine the evidence of effectiveness and safety of Chuna manual therapy for adult constipation patients. Methods : We searched 10 electronic databases(Ovid-MEDLINE, Pubmed, EMBASE, Cochrane Library, CAJ, Oasis, KISS, NDSL, KMBASE, KISTI) and related 2 journals up to October 2016. We included randomized controlled trials(RCTs) of testing Chuna manual therapy for adults constipation patients. The methodological quality of RCTs related assessed by the Cochrane risk of bias tool. Results : Nine RCTs were eligible in our inclusion criteria. The meta-analysis of 6 studies showed positive results for the use of Chuna manual therapy for constipation. Conclusions : There is favorable evidence of Chuna manual therapy for treating adult constipation with meta-analysis. However, our systematic review has limited evidence to support Chuna manual therapy for constipation because of low quality of original articles and further well-designed RCTs should be encouraged.
요추 수술 후 급성기 통증 환자에 대한 통합의학 표준임상경로 임상시험 프로토콜
김병준,신병철,황만석,신경민,허인,임경태,박인화,손동욱,황의형,Kim, Byung-Jun,Shin, Byung-Cheul,Hwang, Man-suk,Shin, Kyung-Min,Heo, In,Lim, Kyeong-Tae,Park, In-Hwa,Son, Dong-Wuk,Hwang, Eui-Hyoung 한방재활의학과학회 2017 한방재활의학과학회지 Vol.27 No.4
Objectives Clinical pathway (CP), is management plans that display goals for patients and have led to improve outcomes for many diseases. In Korea, Interest in Korean medicine's stabilization (Clinical pathway, Clinical Practice Guideline) is increasing, But the number of studies is scare. Method and Analysis This trials composes nonequivalent control group pretest-posttest design to conduct clincal pathway trial for the acute pain after back surgery. The subjects were 10 control patients with back surgery, and 10 experimental patients with application of integrative CP. Each group patient will observed 6 weeks. We check validation of CP. Also we compared the patient's status using the pain, function, Quality of life index between the two groups. Discussion This trial is the first CP for the acute pain after back surgery using integrative medicine concepts. Aim of this trial is to find the effectiveness and validity of clincal pathway for acute pain after back surgery.
2단 광섬유 증폭기를 이용한 효율적인 고출력 펄스 증폭
김병준,이한협,최현범,이동한,김대연,권일범,Kim, Byung-Jun,Lee, Han-Hyub,Choi, Hyun-Beom,Lee, Dong-Han,Kim, Dae-Yun,Kwon, Il-Bum 한국광학회 2003 한국광학회지 Vol.14 No.2
높은 출력의 peak 값을 갖는 광 펄스 신호를 얻기 위하여 2단 구조 EDFA를 구성하였다. EDFA의 첫 번째 단과 두 번째 단 사이에 대역통과 필터(band pass filter)를 삽입하여 소 신호 영역에서 높은 이득을 얻도록 하였다. 사용된 입력 펄스 신호는 100 $\mu\textrm{s}$의 주기, 10 ㎱ 펄스 폭과 1 ㎽의 peak값을 갖고, 평균 출력이 소 신호 영역에 해당하는 낮은 파워를 갖는다. 구성된 EDFA를 사용하여 83 W의 고 출력 펄스 신호를 얻었다. Nanosecond pulses are efficiently amplified by a two-stage EDFA. The EDFA employs an optical bandpass filter between stages to remove the amplified spontaneous emission of the first EDFA that strongly saturates the gain of the second EDFA. The peak power of the amplified output pulse is 83 W when that of the input pulse of 10 ㎱width and 100 $mutextrm{s}$ period is 1 ㎽.
김병준(Kim Byung-Jun),김진균(Kim Jin-Kyoon) 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
The purpose of this study is to analyze the Change of Characteristic of Lobby and Foyer in Performing Arts Center and suggest that it is useful in designing. Lobby and foyer have played an important role in performing arts centre, for they have relation with city at present. We have researched historic and modem theatres. Then we can find characteristics that have various functions, public elements and usefulness. The results were as follow: performing arts centre have to be played variety activities and to be on friendly terms with city.