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전윤석,마승현,이종경,김성화,이옥지,권은숙,이시종,김옥진 한국동물매개심리치료학회 2017 한국동물매개심리치료학회지 Vol.6 No.2
We studied the beneficial effects of psychotherapy program using therapy bugs for children. This study examined the reactions of children before and after the introduction of psychotherapy program using therapy bugs. The participants in this study were 15 children among 3 grade classes from Gummorae elementary school in Siheung City. The experimental group was provided with 10 incidences of the developed psychotherapy program using therapy bugs. The pre and post-tests were analyzed with Wilcoxon matched-pairs signed-ranks test using SPSS/WIN 19.0. The study found that the psychotherapy program using therapy bugs produced some beneficial effects on the experiment group children; a better life-respect, emotion, character and personality (p<0.05). These findings indicate that the developed psychotherapy program using therapy bugs produced beneficial effects on the children.
전윤석,텐쿠,하민호 한국생산관리학회 2023 한국생산관리학회지 Vol.34 No.1
The port risk evaluation applied in this study is a hybrid approach of Fuzzy Evidential Reasoning and Utility Techniques. The Analytic Hierarchy Process was incorporated to evaluate each risk factor’s importance and to yield the weighted risk level of the individual risk factor and the overall risk level. The interpretation of the results of the hybrid approach is straightforward. This feature enables port risk managers to identify the strengths and weaknesses of the ports regarding each risk factor, upper-level risk factors, and overall risk. This offers the necessary insight to determine which areas require special attention for risk mitigation. Consequently, the results obtained by the risk evaluation model are expected to be used by port risk managers as diagnostic instruments to mitigate port risk or to improve risk management practices. 본 연구는 주관적 위험평가 모형을 활용하여 인천항 일반부두의 화물하역 과정에서 발생할 수 있는 위험을 평가하였다. 본 연구에서 제시하는 위험평가 모형을 통해 각 위험요인의 중요도와 위험 수준을 각각 평가 및 통합하여 모든 계층 위험요인의 가중위험 수준 및 총괄 가중위험 수준을 도출할 수 있다. 인천항 일반부두의 총괄 가중위험 수준은 32.39%로 같은 방법으로 평가한 인천항 컨테이너부두의 위험 수준에 비해 약 10%가 높게 나타났다. 또한, 본 연구는 각 위험요인의위험 수준을 제공하기 때문에 항만위험 관리자는 화물하역과정에서 잠재적 위험 취약 요소를 파악할 수 있어 위험 완화및 위험관리를 위한 진단 도구로 활용될 것으로 기대된다.
전윤석 세계기독교통일신령협회 2003 統一世界 Vol.- No.7
처음 동기는 온전한 하나님적 동기가 아니었다. 어디까지나 내 자신의 개인적인 동기였다. 2003년부터 사회복지학 복수전공을 신청하면서 내 마음의 방향을어떤 공적인 내용으로 전환하고 싶었다. 사회복지학을 전공해 학교를 졸업하고, 사회 속에서 하나님적 동기를 갖고 그것을 실현하고 싶었다.
전윤석 대한마취통증의학회 2014 Anesthesia and pain medicine Vol.9 No.3
There has long been a controversy on the use of colloids. Manydevelopments have now been made in the theological aspects. The new glycocalyx model and other related studies have shownthat the volume expansion effect of colloids is not so superior tocrystalloids in many situations. Moreover, the results from severalmulticenter studies on septic shock patients indicated thathydroxyethyl starch did not improve clinical outcome, but instead,increased the number of serious complications such as death andrenal failure. Accordingly, this long debate has been concluded,at least about the use of hydroxyethyl starch colloid on patients withseptic shock. Although there is still a lack of studies on perioperativepatients, care is also needed when using colloids in their treatment.
6상 여자방식을 이용한 7상 BLDC 전동기 구동시스템
전윤석,이용균,목형수 건국대학교 산업기술연구원 2003 건국기술연구논문지 Vol.28 No.-
3-Phase BLDC Motor, which is generally used, has limited usage in high speed, due to pulsation torque occurring commutation and variable speed. To solve this problem, it is necessary to increase invariable, pole number or the number of slots. Currently, due to rapid growth of semiconductor technology and trend toward smaller and cheaper production of switching device, Multi-Phase BLDC Motor for high speed and high output power is being actively pursued to produce. In this paper 7-Phase BLDC Motor drive system and controller are designed and 7-Phase modulation method with 6-Phase conduction is studied for ideal operation of controller.
전윤석(Ywunseok Jeon),류태규(Taegyu Ryu),구본웅(Bonwoong Ku) 한국자동차공학회 2005 한국자동차공학회 Symposium Vol.- No.-
In this paper, Cell voltage monitoring method is studied for fault detection of PEMFC(Proton Exchange Membrane Fuel Cell) for FCEV(Fuel Cell Electric Vehicle). To measuring several hundred of cells in fuel cell stack. The demanded feature of module hardware and network are studied and several types are analysed. Finally, 3.26% maximum measuring error is acquired and verified experimentally.