• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2008년도 춘계 학술논문 발표대회
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• pp.147-151
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• 2008

Construction project is completed through several stages and problems of each stage affect directly not only now but also next. Defect of 2D drawings influence in construction phase, and it make many loss on project. Nowadays we practically use real Mock-up test in construction sites to solve the problems. But it also has many problems which are waste much money and time. Therefore, this study tries to analyze effect that is occurred by appling BIM Mock-up simulation instead of real Mock-up execution. These analysis is conducted by comparing two construction building site. These have same shape but one is made for BIM Mock-up, and another is real Mock-up. Comparison points of view are cost, time and operator's satisfaction. It is expect that BIM Mock-up is more effective at low cost and on shorter time. But our analysis show that each are conducted different part of function. So new Mock-up type is required. Hybrid Mock-up is combine real mock-up with BIM simulation and it can minimize risk of project.

• 한국실내디자인학회논문집
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• 제20권4호
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• pp.136-144
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• 2011

The purpose of this research is to analyze the manifestation of children's color education in the software in order to evaluate conditions of color education as well as improvement of its direction. The procedure and method of the research is begun from evaluating the characteristic of children's developmental stage, content analysis of the nation's organization of color education and analysis and evaluation of education program through the investigation on 8 different softwares in reward for the tournament. The results are as followings; First, the research shows that the elementary school stage of color education is inadequate in comparison to children's cognitive developmental stage. Second, most of the color theory was composed of characteristic of a color, stimulation of emotion and effects of psychology. Considering of children's cognitive development, it is necessary to make up for the basic of color theory and the system of color. Third, Softwares of color education program for 1 st. and 2nd grade in elementary school was so rare that it should be properly developed and made for systematic contents. Fourth, color education for the 5th and 6th grade children remained in understanding basic characteristics of the color which is below the par and brings the necessity for more professional and structural contents.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1998년도 하계학술대회 논문집 G
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• pp.2515-2517
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• 1998

The micro fresnel lens(MFL) was modeled and fabricated on a XY-stage electrostatically driven by comb actuator. The modeled MFL was approximated as a step shape with 4-phase and 4-zone plate. The focal length and diameter of the MFL is 20mm and 912${\mu}m$, respectively. The XY-stage suspending the MFL is designed to generate a large static displacement up to about 20${\mu}m$. On SOI substrates, we first fabricated MFL using the RIE(reactive Ion etching) technology and then patterned and etched bulk silicon to make XY-stage. After the fabrication of all structures on top side of the SOI substrates. $Si_3N_4$ was deposited for passivation of all structures using PECVD(plasma enhanced chemical vapor deposition). All the MFL systems width comb drive actuator were released by KOH etching from the bottom side of the SOI wafer using double-sided alignment technique. In fabrication of MFL, a dry etching conditions is established in order to improve surface roughness and to control the etched depth.

• 패션비즈니스
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• 제19권5호
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• pp.63-76
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• 2015

The purpose of this study was to design a training program for utilization of 3D special makeup mask program. This study was conducted with a 3D computer graphics software program, for special makeup mask using a variety of creative educational models and case study with comparative analysis. The makeup program applied to the majors and liberal arts classes for program design. Inthis study, the selected major courses included ' stage make up ', make up application', and illustrations and color '. Students were required to take a class targeted to questionnaire completion and analysis. The research method included literature search, and Internet navigation, of experimental research. The research targeted select college students attending a 4-year university located in Dae-jeon, Korea. ETRI's "3D mask special makeup simulation program" was used in support. A survey of the study conducted from September 1, 2013, to August 30, 2014, showed a total of 94 additional statistical analyses. First, grade 3 44.6% was attained by 91.7% of the first year student majoring in liberal arts classes, Second, students' in the 3D special dress up mask program Interestingly, attained high recognition in its mastering, usability, and creativity. Furthermore, the major student satisfaction was higher for the '3D special makeup mask program. Third, students '3D special dress up was one of the biggest advantages of the program', the mask ' that models 3D ' faces. In addition, the student's delicate dress called for critical technology skills. It is thought to be suitable for practical training and improving the efficiency and performance if applied to universities and beauty schools, such as the regular high school curriculum through research.

• Journal of Power Electronics
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• 제18권2호
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• pp.640-650
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• 2018

A TRIAC dimmable LED driver with a wide tuning range and a two-stage uniform dimming scheme is proposed in this paper. To solve the restricted dimming range problem caused by the limited conduction ratio of TRIAC dimmers, a conduction ratio compensation technique is introduced, which can increase the output current up to the rated output current when the TRIAC dimmer turns to the maximum conduction ratio. For further optimization, a two-stage uniform dimming diagram with a rapid dimming curve and a slow dimming curve is designed to make the LED driver regulated visually uniform in the whole adjustable range of the TRIAC dimmer. The proposed control chip is fabricated in a TSMC $0.35{\mu}m$ 5V/650V CMOS/LDMOS process, and verified on a 21V/500mA circuit prototype. The test results show that, in the 90V/60Hz~132V/60Hz ac input range, the voltage linear regulation is 2.6%, the power factor is 99.5% and the efficiency is 83%. Moreover, in the dimming mode, the dimming rate is less than 1% when the maximum dimming current is 516mA and the minimum dimming current is only about 5mA.

• 한국콘텐츠학회논문지
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• 제7권10호
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• pp.221-228
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• 2007

창업보다 중요한 것은 어떻게 기업을 유지, 발전시키느냐의 문제이다. 그러므로 창업초기에 기업의 신뢰형성 문제는 이후 기업경영 성패를 좌우하는 요인이 되고 있다. 따라서 본 연구에서는 창업초기 인터넷 쇼핑몰에서의 신뢰형성에 영향을 주는 요인이 무엇인가를 분석하여 마케터들이 인터넷 쇼핑몰에 대한 성장전략 수립에 도움을 주고자 하였다. 선행연구를 통해 신뢰의 개념, 인터넷 환경 하에서의 소비자 구매행동과 신뢰형성 요인에 대한 요인들을 정리하였다 연구목적을 달성하기 위해 가설의 설정과 검증을 실시한 결과 정보품질, 웹디자인, 쇼핑 편의성이 초기신뢰에 영향요인으로 나타났다.

• 복식
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• 제50권
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• pp.85-96
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• 2000

The study is aimed to analyse social and cultural background and to compare the changes of the cosmetic culture in Korea and the western countries accompanied by the developemnt os the cosmetic industry in the 20th century. The cosmetic culture of Korea has kept on changing adopting the new western style make up, These changes were very closely related with the current sociocultural environments and the developments of the cosmetic industry. The analysis and comparison of Korean cosmetic culture and that of Western countries can be summarized as following: Fistly the cosmetic culture of korea came out after Korean War through the improt of western movies. Secondly at the beginning of accommodation of the western concept of beauty the standards of beauty were confused with that of traditional make up. Thirdly in terms of the history of costumes in the western cosmetic culture the trend was feminine and curve lineal style in the 1910s straight and young style in the 1920s Young elegant curve lineal style and straight-line style replaced among themselves in every 10 years and the cycle became more rapid after the 1970s and there were diversity in the cosmetic culture affected by the postmodernism Fourthly the cosmetic culture of :total fashion" was taken into consideration. Fifthly the cosmetic culture of "total fashion" was taken into consideration. fifthly the make up of Korean and that of western countries are not only a way to express of aesthetic desire for beauty but sanitary management and it is a kind of an expansion of value for management for an inner self. Now is the time to refuse the attitude of accommodation of the western cosmetic culture without any consideration. We need to rediscover our traditional cosmetic culture and cultural distinctiveness and try to mix them with the western cosmetic culture in order to develop our own peculiar style which will be able to Korean design remain in the international stage and grow further.d grow further.

• 한국주거학회논문집
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• 제24권1호
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• pp.11-20
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• 2013

The purpose of the study was to develop a classification of management for the qualitative improvement of the management of multi-family housing. The date were analyzed using the Excel program in terms of frequency and, criticality analysis in order to draw items stage by stage. The process of research was as follows: The first process drew classification of types using the content analysis of the documented studies. The second process examined subcategories according to classification of types via interviews of supervisors. Further, the criticality analysis between the two items was examined. Additionally, when this study surveys and analyzes the satisfactions and importance of management on the basis of the classification, it can have an effect on management by reflecting the result. In conclusion, the classification of the management of multi-family housing will make up the improvement scheme of supplement education, certification related management and management regulations on the characteristics of multi-family housing by types of houses in the future.

• 한국콘텐츠학회논문지
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• 제15권5호
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• pp.18-26
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• 2015

본 논문에서는 다양한 무대연출이 가능한 전(Omni)방향 이동무대와 수직 상승 무대로 구성된 복합형 무대 시스템의 설계 및 제어 방법에 대해 제안하였다. 복합 무대 시스템은 전후/좌우/회전 등 3 자유도 모션의 이동무대와 1 자유도 상/하 모션의 상승 무대 등 총 4 자유도 동작이 가능하도록 개발 되었다. 이동무대는 2개의 구동 휠과 조향 휠 구조로 설계하여 기존 차동 방식의 이동무대에 비해 기동성을 높였으며, 상승무대는 전고대비 수식 상승비가 10배 이상 가능하도록 맞물림 방식의 구조로 설계하였다. 또한, 공연연출에 필요한 모션 구현을 위해 경로계획 방법과 계획된 경로를 추종하기 위한 제어방법에 대해서도 제안하였다. 그리고 복합형 무대 시스템의 수평 이동 및 수식 상승 등 복합 모션 실험을 통해 그 성능을 검증하였으며, 공연 공간 디자인 도록을 제시하여 개발된 시스템이 공연에서 다양한 연출에 활용이 가능함을 보였다.

• 한국인터넷방송통신학회논문지
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• 제15권2호
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• pp.245-254
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• 2015

본 연구의 목적은 창업활성화를 성공적으로 유도하기 위해 필요한 요소로서 창업순환 구조를 연구하고 이를 유지하기 위한 필수조건을 도출하는 데에 있다. 따라서 기업생태계를 기반으로 창업순환구조를 설계한 후 이를 검증하기 위해 미국의 실리콘밸리와 영국의 테크시티(Tech city)에 대하여 논의하였다. 창업순환구조를 유지하기 위한 필수요소는 다음과 같이 정리하였다. 첫째, 목적에 따라 구성요소 간의 공유의 장이 형성되어야 한다. 둘째, 우수한 인력이 기반 되어야 한다, 셋째, 선순환구조에서 수익을 창출하는 소비자 집단이 많이 형성되어야 한다. 넷째, 타 지역간 연계 네트워크를 확보해야한다. 다섯째, 정부 및 제도적 지원을 통해 쉽게 창업할 수 있는 환경을 만들어 생산자의 진입이 용이해야 한다. 마지막으로 자립형 생산자들의 기업가정신이 함양되어야 한다. 향후 연구는 기업 생태계를 기반으로 한 여러 국가의 사례를 바탕으로 각 사례의 공통점과 차이점에 대해 비교 분석하는 방향으로 나아갈 필요가 있다.