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김채수,엄대호,한경수,전택기,최경영,성현제,은재기,양영철,김선주,Kim Chae-Soo,Um Dae-Ho,Han Kyung Soo,Jun teak ki,Choi Kyoung-Young,Sung Hyun-Je,Eun Jae-Ki,Yang Young-Chul,Kim Sun-Joo 한국관개배수위원회 2003 한국관개배수논문집 Vol.10 No.2
According to development and urbanization of country, environment and ecosystem were ignored during the past thirty years. So that, canal which had been developed by concrete, is remained as the space where life can not alive any longer. Therefore, in thi
신경모방회로에서의 전류역류현상 방지를 위한 W/SiN<SUB>x</SUB>/N<SUP>+</SUP>/P 1D1R 시냅스와 패턴인식 시뮬레이션
김채수(Chae Soo Kim),김성준(Sungjun Kim),박병국(Byung-Gook Park) 대한전자공학회 2018 대한전자공학회 학술대회 Vol.2018 No.11
In this paper, we suggest reverse current issue which can occur when neuromorphic system is implemented using RRAM(Resistive Random Access Memory) as synaptic device. Such issue is solved by adding a diode to synapse. Proposed synaptic device is RRAM integrated with P-N diode which does not require additional area. 1D1R(1Diode-1RRAM) structure synaptic device is proposed and its I-V characteristics are modeled using SILVACO SmartSpice. We successfully demonstrated simple 3x3 pattern recognition using neuron circuits and 1D1R synaptic devices by solving reverse current issue.
관개기간중(灌漑期間中) 답유역(畓流域)에서의 강우유출량(降雨流出量) 추정(推定)에 관한 연구(硏究)
김채수 ( Chae Soo Kim ) 한국농공학회 1982 韓國農工學會誌 : 전원과 자원 Vol.24 No.4
This thesis aims to estimate the rainfall runoff from paddy field in a small watershed during irrigation period. When the data observed at the proposed site are not available, the Monthly Runoff Equation of Korean Rivers which was derived from data observed under the following assumptions is used to study the water balance. a. Monthly base flow was assumed as 10.2mm even if these is no mouthly rainmfall. b. Monthly comsumption of rainfall was ranged from 100 to 200mm without relation to the rainfall depth. However, the small watershed which consists mainly of paddy fields encounters severe droughts and accordingly the baseflow is negligible. Under the circumstances the author has developed the following equation called "Flood Irrigation Method for Rainfall Runoff "taking account of the evapotranspiration, precipit-ation, seepage, less of transportation, etc. where: R: runoff (ha-m) A: catchment area (ha) F: coefficient of loss (o.o-0.20) P<sub>r</sub>: rainfall (mm) S: seepage E<sub>T</sub>: evapotranspiration (mm) To verify the above equation, the annual runoff ratio for 28 years was estimated using the Monthly Runoff Equation of Korean Rivers the Flood Irrigation Method and the Complex Hydrograph Method based on meteorological data observed in the Dae Eyeog project area, and comparison was made with data observed in the Han River basin. Consequently, the auther has concluded that the Flood Irrigation Method is more consi-stent with the Complex Hydrograph Method and data observed than the Monthly Runoff Equation of Korean Rivers.
김채수(Chae Soo Kim),최형림(Hyung Rim Choi),김재중(Jae Joong Kim),홍순구(Soon Goo Hong),김희윤(Hui Yun Kim),김재환(Jea Hwan Kim),신중조(Joong Jo Shin) 한국산업정보학회 2008 한국산업정보학회논문지 Vol.13 No.4
최근 거의 모든 산업에 걸쳐 보안과 서비스에 대한 이슈가 대두되고 있다. 이는 항만물류산업에서도 큰 영향을 미쳐 기존 항만 생산성 향상에만 초점을 두어 업무를 추진하던 방식에서 탈피하여 점차 항만 안전과 대고객 서비스 향상을 중심으로 업무 전환을 꾀하고 있다. 그 중 대표적인 방법이 기존의 컨테이너에 특정한 장치를 추가 장착하여 지능화시킨 GE(General Electronic)의 CSD(Container Security Device)와 Savi Networks의 eSeal 등을 들 수 있다. 하지만 이 장비들은 국제표준과 기술적인 구현 부분에만 치중하여 개발함으로써 화주, 선사 및 하역업체 등 실사용자들의 불편함을 야기하고 있으며, 이는 사용자 요구사항을 체계적으로 충분히 고려하지 못한 결과로 판단된다. 본 연구에서는 기 개발된 보안 장치가 갖는 문제점들을 해결하고, 사용자 요구사항이 충실히 반영되었을 뿐만 아니라 현실세계를 고려한 보안 시스템을 개발하기 위해 시스템 요구사항을 도출하는 과정에서 QFD(Quality Function Deployment, 품질 기능전개) 방법론을 적용하였으며 그 결과 시스템 품질특성(CTQ: Critical To Quality)이 5가지의 세부 과제별로 총 21건이 도출되었다. Recently security is being an important issue in almost every field of industry. This situation has affected port logistics industry deeply. Ports are now leaving operational methods that only focus on productivity, and shifting to new ones which focus on safety and custom services on the basis of it. Thus a lot of companies and institutions have offered various solutions as this issue becomes more and more intense. Among them, most typical solutions involve installing special devices to ordinary containers to improve its security, such as CSD (Container Security Device) of GE (General Electric) and eSeal of Savi Networks. On the other hand, these devices focus only on international standards or technical implementation, and this causes inconvenience to actual users like cargo owners, sea carriers, or stevedoring companies. This is considered to be due to lack of sufficient consideration on user demands. This research uses QFD (Quality Function Deployment) method for deducting system requirements in order to solve the problems of previous security devices and to develop a security system that can not only reflect the demands of the users but also considers real-world conditions. According to the QFD results, a total of 21 system CTO"s were deducted under 5 categories.
펠던크라이스 기법, 탄성밴드 운동 및 복합운동 적용이 현대무용전공자의 체간근력에 미치는 영향
김채수(Kim Chae-Soo),권혜영(Kwon Hye-Young),이원재(Lee Won-Jae),조창모(Jo Chang-Mo),김진환(Kim Jin-Hwan),주성범(Ju Sung-Bum),이미경(Lee Mi-Kyoung) 한국체육과학회 2011 한국체육과학회지 Vol.20 No.1
This study is carried out to examine the effect of applying Feldenkrais method, elastic band training and combined training on trunk muscle. The subjects of this study were 32 modern dance majors and they were divided into four groups which consists of 8 peoples each, Feldenkrais method group(modern dance + Feldenkrais method), elastic band training group(modern dance + elastic band training), combined training group(modern dance + Feldenkrais method + elastic band training), and control group(modern dance). Measurement variables which are trunk muscle were measured before training, and after 4 and 8 weeks training and the results are as follow: In the left muscle strength change at Centaur 0°, Feldenkrais method group, elastic band training group and combined training group showed significant increase after 8 weeks training compared to before training. In the right muscle strength change, Feldenkrais method group and combined training group had significant increase after 8 weeks training. In the left muscle strength change at Centaur 45°, Feldenkrais method group and combined training group showed significant increase after 8 weeks training compared to before training and after 4 weeks training. Also elastic band training group showed significant increase after 8 weeks training compared to before training. In the right muscle strength change, Feldenkrais method group and elastic band training group significantly increased after 8 weeks training compared to before training. In the left muscle strength change at Centaur 90°, Feldenkrais method group and combined training group showed significant increase after 4 and 8 weeks training compared to before training. In the right muscle strength change, Feldenkrais method group showed significant increase after 4 and 8 weeks training compared to before training, and elastic band training group significantly increased after 8weeks training compared to before training. In the left muscle strength change at Centaur 135°, there was no significant changes. In the right muscle strength change, elastic band training group and combined training group showed significant increase after 8 weeks training compared to before training. In the left muscle strength change at Centaur 180°, combined training group showed significant increase after 4 and 8 weeks training compared to before training. In the right muscle strength change, combined training group showed significant increase after 4 and 8 weeks training compared to before training. From above results, applying 8 weeks regular program of Feldenkrais method, elastic band training and combined training to modern dance majors showed positive changes on improvement of trunk muscle strength and physical strength. Also this study implemented to verify the effects of trunk muscle strength and body balance through supplementary training program, and showed the effects in the training group and control group after 8 weeks trunk muscle strengthening program. Feldenkrais method, elastic band training and combined training are very effective to improve trunk muscle strength of modern dance majors so that continuous implementation and application of these effective training program shall be provided for strengthening trunk muscle.
김채수 ( Kim Chae Soo ),엄대호 ( Um Dae-ho ),한경수 ( Han Kyung Soo ),전택기 ( Jun Teak Ki ),김선주 ( Kim Sun-joo ),최경영 ( Choi Kyung Yong ) 한국농공학회 2003 한국농공학회 학술대회초록집 Vol.2003 No.-
In this article we developed the environment-friendly arrangement system of drainage and irrigation canal. It is is divided into the model which considers ecological conservation type, irrigation flood control type and hydrophilic type. In canal plan and design we will consider vertical section and intersection plan, water quality management, waterside environment construction plan, canal terminal treatment, canal bottom plan, etc. Consequently, We propose the detail contents which must be considered when we plan the environmental canal space.