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임원식,김재윤,정연우,Lim Weon-Sik,Kim Jae-Yoon,Jung Yeon-Woo 대한물리치료학회 2002 대한물리치료학회지 Vol.14 No.3
A Study of Clinical Application of the Connective Tissue Massage General massage is termed kneading and rubbing. It will bring the effect of blood volume and cardiovascular reaction. Connective tissue massage is a diagnostic and treatment method. But the general massage has not diagnostic aspect. Connective tissue massage techniques are stimulating and stretching the LCT, mast cell, collagenous fiber, fascia, skin, muscle and nerve tissue. Diagnostic aspects of connective tissue massage are visible investigation, manual investigation, and stroking on the reflex zone. CTM do stroking with 3, 4th finger tips on the whole body for the treatment.
동결견 환자를 위한 PNF의 견갑골패턴과 유지 - 이완기법 적용이 관절가동범위와 통증에 미치는 영향
임원식,신형수,김인섭,허성귀,배성수,Lim, Weon-Sik,Shin, Hyung-Soo,Kim, In-Sup,Hur, Sung-Gwi,Bae, Sung-Soo 대한물리치료학회 2002 대한물리치료학회지 Vol.14 No.1
The purpose of this study was to find the effects of scapular pattern and hold-relax technique of propriocetive neuromuscular facilitation(PNF) on the range of motion(ROM) and to find the effects of pain relieve through visual analogue scale(VAS) in frozen shoulder patients. The subjects were consisted of thirty frozen shoulder patients(men ; 9, women ; 21). The measurement of the shoulder range of motion was taken by measuring the degrees of flexion, abduction, and external rotation with a goniometer and the measurement of pain was performed by VAS from pre treatment to one to four weeks The results were as follows : 1. There was the statistical significance not only in the range of motion such as shoulder flexion, abduction, and external rotation, but also in VAS during four weeks(p<.05). 2. By the result of Scheffe's multiple comparison test. there was statistical significance between the values of pre treatment and treatment after one week in the range of motion of shoulder flexion. In that of shoulder external rotation, there was statistical significance between the values of pre treatment and treatment after one week, and between those of treatment after one and two weeks. As the result of this statistical significance of shoulder external rotation, the early treatment was thought to be more effective. However, there was statistical significance in the treatment after two and three weeks in shoulder abduction and was statistical significance between the values of pre treatment and the treatment after one weeks, and between those of treatment after two and three weeks in VAS (p<.05). 3. There was not statistical significance between men and women in the range of motion of the shoulder and in VAS(p>.05). 4. There not statistical significance between th right and left frozen shoulder patients in the range of motion of shoulder and in VAS(p>.05).
임원식(W. S. Lim),박영일(Y. I. Park),이장무(J. M. Lee) 한국자동차공학회 1997 한국 자동차공학회논문집 Vol.5 No.6
In automotive industries, one of the major issues is the shifting shock, which is brought out when two clutches are engaged in an automatic transmission. The engagement and disengagement of two clutches means the variation of the D.0.F(degree of freedom) of system. Therefore to analyze the shifting performance, the variation of D.Q.F should be considered in detail. Generally, the programs for analyzing the shifting transients have been developed as the problem-dependent codes because the artificial marks were usually used to indicate the change of shifting phase. To develop a soft-ware applicable to a general mechanism of transmissions, a self-determining algorithm of D.O.F must be applied.<br/> Through the experiences for the last several years, a generalized analysis software of shifting mechanism(so called by POTAS-MSM Version 2.0) has been developed. In this study, some major ideas of the software and the concept for the analysis of shifting characteristics are presented. In addition to that, this paper shows how to self-determine D.O.F of he multi-slipping systems using the stick-slip criterion on a single slipping mechanism. By using this software, the shifting charac-teristics of a vehicle are analyzed and compared with the experimental results.<br/>
KOSIGN:정보보호제품 관점의 사이버위협정보 공유 체계
임원식(Lim Wonsick),윤명근(Yoon, MyungKeun),조학수(Harksu Cho) 한국정보보호학회 2018 情報保護學會誌 Vol.28 No.2
맥아피 연구소의 2017년 12월 위협 보고서에 따르면 2017년 3분기에만 사상 최대인 5,760만개의 신규 악성코드가 수집되었다. 쏟아지는 악성코드와 신규위협에 대응하기 위해 각 기관의 위협대응센터에서 정보를 분석해 대응정책을 수립하고 보안제품을 운영하기에는 한계에 봉착했다. 위협대응 비용을 절감하고 사이버위협에 선제적으로 신속하게 대응하기 위해 사이버위협 정보 공유 체계 구축이 해법으로 제시되고 있다. 국내 보안산업계 또한 사이버위협정보 공유의 필요성이 증대되고 있으며 2017년부터 KOSIGN(Korea Open Security Intelligence Global Networks) 프로젝트를 통해 정보수집체계, 분석시스템, 정보 표현 포맷과 공유 프로토콜 정의 및 각 주체간의 정보공유를 위한 동기부여 방안에 대해 연구가 진행되고 있다. 본 논문에서는 해외 및 국내의 정보공유체계 동향에 대해 소개하고 KOSIGN 프로젝트에서 수행한 정보공유체계에 적용한 기술에 대해 소개하고자 한다.
승용차용 다중모드 동력 전달 시스템의 정상상태 성능분석
임원식(Won-sik Lim),박윤경(Yun-kyoung Park),박성천(Sung-cheon Park) 한국생산제조학회 2013 한국생산제조학회지 Vol.22 No.3
Because of the increases in international oil prices and the level of global warming, the automotive industry has much interest in developing green cars with high fuel efficiencies. In addition, researchers in Korea are actively responding to high oil prices and CO₂ emission regulations in many ways. One example is, the multi-mode hybrid system, which is being studied to improve its performance. Because a multi-mode hybrid system is able to overcome the weaknesses of a system that uses simple planetary gears, excellent fuel efficiency and driving performances are the key features of the system. This paper analyzes the driving performance of the power-train system of GM-2MT70, which consists of one engine, two electric motors, one simple planetary gear, one double planetary gear, two clutches, and two brakes. The driving performance of the systems steady state is analyzed using performance modeling. The dynamic performance is analyzed using Matlab Simulink.
임원식(Won-sik Lim),박성천(Sung-cheon Park) 한국생산제조학회 2012 한국생산제조학회지 Vol.21 No.5
Due to the increase of oil price, the needs of the reduction of the fuel cost is rising. Therefore, necessity of hybrid vehicle that runs with engine and the electric motor is on the rise. In order to improve the performance of hybrid vehicle, many researches is carried out. Hybrid vehicles have been developed with the various layout such as serial type, parallel type, power split type, and multi-mode type. The multi-mode hybrid vehicles are designed to show the efficient driving characteristics at low speed and high speed. But the multi-mode system have the problem such as frequent clutch engagement. Frequent clutch engagement causes the shock of vehicles, and the shock inhibits the ride comfort. In this study, automation mechanism of clutch operation is proposed to mitigate the shock at engaging clutch. For this purpose, the dynamic characteristics of motor control is numerically analyzed by using Matlab/Simulink.
하이브리드 철도차량용 주행 성능 시뮬레이터에 관한 연구
임원식(Wonsik Lim),정춘화(Chunhua Zheng),신창우(Chang Woo Shin) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
HEV(Hybrid Electrical Vehicle)s are considered as one of the next generation vehicles. To develop the HEV, there must be a reliable simulator, by which the capacities of the power sources are tested, and the parameters of the HEV are optimized before developing the real model of the HEVs. This process can save money for designing the HEV system and improve the system without experiments. Nowadays, traction of railway vehicles is usually provided by diesel fuel combustion. Hybridization offers the potential to achieve a step change in energy efficiency and we also need to develop simulators for performance test of hybrid railway vehicles. In this paper, the type of hybrid drive system is introduced, the characteristics of railway series hybrid system are compared with those of series hybrid vehicle system. A couple of simulators for performance test of HEV are introduced, the idea of constructing railway series hybrid system simulator using MATLAB SIMDRIVELINE is also introduced.