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태권도 선수들의 운동 만족이 정신건강 및 생활 만족에 미치는 영향
한권상,손창남,임상호,류경희,장지현,김태우 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.4
The purpose of this study is to determine how a Taekwondo player's athletic satisfaction affects his/her psychological health and overall personal happiness. A questionnaire survey was carried out on a sample group of 200 students attending colleges located in Seoul and Gyeonggi Province. Then, 23 questionaries deemed not trustworthy were eliminated, leaving 178 questionaries for analysis. The questionnaire, which contained total 128 questions, showed the confidence level falling between .5241 and .8945 (Cronbach's alpha). The study, which relied on frequency analysis, t-test, One-way ANOVA, and Scheffe test, produced the following results. First, athletic satisfaction showed a statistically significant difference (5% range) depending on sex, school year or athletic experience. Second, psychological health resulted in a statistically significant difference (5% range) depending on sex or athletic experience while no difference was noticed regarding school year. Third, happiness in life showed a statistically significant difference (5% range) depending on sex or school year while no difference was noticed with regard to athletic experience.
자유곡면과 CAM 데이터의 데이터베이스 구축에 관한 연구
김성호,명태식,한복수 한밭대학교 생산기반기술연구소 2002 생산기반기술연구소 논문집 Vol.2 No.1
The goal of this study is the development of PC-based surface modeling system based on surface modeler for easy free-form surface modeling, and then building a Database by linking this developed system with the surface modeler, so we can apply this Database to DAM system. The developed surface modeling system is linked with the Database so the storing Database through simulation is applicable to manufacturing process, and it saves processing time and cost by removing unnecessary processes.
자동설계 프로그램을 이용한 비구면 렌즈의 가공 및 검증에 관한 연구
김수용,한민식,김세민,김태호,전언찬 한국공작기계학회 2005 한국공작기계학회 춘계학술대회논문집 Vol.2005 No.-
An aspheric lens is one of a key point optical element in the optical industry. The feature of an aspheric lens is not to have the spherical aberration. An aspheric lens is also essential element for high-precision and light-weight in the optical machine. Generally it have been used in a tailor progression an aspheric lens modelling much. In this study we applied a lay back-tracer using a index of refraction to draw a creative aspheric lens. Also we developed the automatic design program for aspheric lens. We manufactured the aspheric lens and executed a comparison experiment for refraction situation of shape and straightness experiment to inspect the drawn aspheric lens in this study.
전준호(Joon-Ho Jun),박요한(Yo Han Park),김태호(Tea Ho kim),윤영한(Young Han Youn),윤경한(Kyong Han Yoon) 대한인간공학회 2009 대한인간공학회 학술대회논문집 Vol.2009 No.11
본 연구에서는 자동차안전기준 정면충돌시험의 표준위치와 고령운전자 착석위치를 비교 시험하여 상해특성을 연구하였다. 고령자의 착석위치는 65세 이상 고령운전자 소유의 자동차를 대상으로 착석위치 및 표준위치 조사한 결과를 반영하였다. 시험조건은 자동차정면충돌시의 속도 48km/h 및 해당 가속도를 반영하였으며 충돌모의 시험장치 환경에서 비교평가 실험을 수행하였다.
Combustion Synthesis of $LiMn_2$$O_4$with Citric Acid and the Effect of Post-heat Treatment
Han, Yi-Sup,Son, Jong-Tea,Kim, Ho-Gi,Jung, Hun-Teak The Korean Ceramic Society 2001 한국세라믹학회지 Vol.38 No.4
Combustion process with citrate was used to produce the LiMn$_2$O$_4$powder. Precursors are pre-ignited in open air followed by post-heating in the range from $600^{\circ}C$ to 80$0^{\circ}C$ for 4h. With varying the molar ratio (R) of ethylene glycol (EG) to citric acid (CA) from 0 to 4, the effect of EG content on powder characteristics is evaluated. Vacuum drying promote the auto-ignition at room temperature. With small addition of EG metal ion was selectively segregated with organic substances and undesired lithium evaporation occurred during post-heating. LiMn$_2$O$_4$phase which is produced by combustion reaction was decomposed back to Mn$_3$O$_4$because the reaction temperature was higher than 95$0^{\circ}C$. With increasing EG content, the homogeneity of LiMn$_2$O$_4$powder increased and specific surface area increased. And lithium evaporation during vacuum drying and/or ignition also increased.
한민식,이지용,김수용,김태호,전언찬 한국공작기계학회 2004 한국공작기계학회 추계학술대회논문집 Vol.2004 No.-
This paper is the perfomance evaluation of reverse engineering system using simple mechanism. The existing equipment didn't use in the field popularly as it is too expensive. So we constructed the reverse engineering system of simple mechanism using the laser sensor, LM guide, micro step driver and control program. And we caught the Characteristics to measure some product. Finally we confirmed the precision to compare measured data and CAD date.
한민식(Han Min Sik),이지용(Lee Ji Yong),김수용(Kim Soo Yong),김태호(Kim Tea Ho),전언찬(Jeon Eon Chan) 한국생산제조학회 2004 한국생산제조시스템학회 학술발표대회 논문집 Vol.2004 No.10
This paper is the perfomance evaluation of reverse engineering system using simple mechanism. The existing equipment didn't use in the field popularly as it is too expensive. So we constructed the reverse engineering system of simple mechanism using the laser sensor, LM guide, micro step driver and control program. And we caught the Characteristics to measure some product. Finally we confirmed the precision to compare measured data and CAD date.