• 한국건축시공학회:학술대회논문집
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• 한국건축시공학회 2023년도 가을학술발표대회논문집
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• pp.237-238
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• 2023

Urbanization and the increase in building scale have amplified the complexity of M.E.P design. Traditional design methods face limitations when considering intricate pathways and variables, leading to an emergent need for research in automated design. Initial algorithmic approaches encountered challenges in addressing complex architectural structures and the diversity of M.E.P types. However, with the launch of OpenAI's ChatGPT-3.5 beta version in 2022, new opportunities in the automated design sector were unlocked. ChatGPT, based on the Large Language Model (LLM), has the capability to deeply comprehend the logical structures and meanings within training data. This study analyzed the potential application and latent value of LLMs in M.E.P design. Ultimately, the implementation of LLM in M.E.P design will make genuine automated design feasible, which is anticipated to drive advancements across designs in the construction sector.

• 한국도로학회논문집
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• 제4권3호
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• pp.1-13
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• 2002

현재 도로 설계는 기존의 경험적인 설계법에서 역학적인 설계법으로 바뀌고 있는 추세이다. 이러한 전환기에서 세계 많은 도로국들은 역학적-경험적인 도로 설계법을 개발하고 있고 혹은 이미 채택하여 적용하고 있다. 이에 실제 미국 미시간 도로국에서 나온 자료를 바탕으로 역학적-경험적 설계법을 개발하였다. 이 역학적-경험적 설계법의 연결 함수 (transfer function)로 사용될 소성 변형 예측 모델과 피로 균열 예측 모델도 함께 개발되었다. 여기서는 이 설계법을 개발하는데 사용된 자료와 예측 모델, 설계 알고리듬등이 소개된다. 이 설계법의 검증을 위해 기존의 경험적 설계법에 의한 설계와 새로 제시된 설계법에 의한 설계가 비교된다. 새로 설계된 설계법은 설계자 혹은 사용자가 도로 파손의 기준을 정량적으로 정함으로서 좀더 구체적으로 설계를 할 수가 있다.

• 한국실내디자인학회논문집
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• 제16권4호
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• pp.89-98
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• 2007

This paper studied the spatial factors activating the personal interaction based on case studies of $M\'{e}diath\'{e}ques$ in France. The spatial factors are analyzed into material factors and dematerial factors. The material factors have physical features in space and directly or indirectly activate the personal interaction. They consist of 8 elements including pocket space, balcony, atrium, stairs, elevators, windows, conference rooms and furnitures. The dematerial factors consist of 6 elements including polycentrism, continuance, mixture, interpenetration, dematerialization, transparency. They are compounded of material factors and explain them conceptually. But dematerial factors are abstract concepts. To provide reliability I confirm the relationship with dematerial factors by using a connections, topology, a phased depth of the Depthmap as the framework of the visual recognition of the space syntax covering the characteristic of dematerial factors. The result of the quantitative analysis human-behavior in $V\'{e}nissieux$ $M\'{e}diath\'{e}que$ and the result of applying the spatial factors of $M\'{e}diath\'{e}ques$ as the community center to the $V\'{e}nissieux$ $M\'{e}diath\'{e}que$ proved that the spatial factors are significant factors of the $M\'{e}diath\'{e}ques$ as the community center.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2007년도 춘계학술대회 논문집
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• pp.280-288
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• 2007

This paper is based on the safety case as specified in the E&M system safety management plan established in initially AREX project. The safety case for E&M system is the synthesis of all safety activities throughout the design, manufacturing, installation and commissioning test for E&M system. The safety level of E&M system which is required by E&M contract is assured by accomplishment of safety activities and procedures in accordance with EN standards.

• 한국CDE학회논문집
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• 제11권4호
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• pp.246-255
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• 2006

Ribs and fans are interesting geometric entities that are derived from an ordinary $B\'{e}zier$ curve or surface. A rib itself is a $B\'{e}zier$ curve or surface with a lower degree than the given curve or surface. A fan is a vector field whose degree is also lower than its origin. First, we present methods to transform the control points of a $B\'{e}zier$ curve or surface into the control points and vectors of its ribs and fans. Then, we show that a $B\'{e}zier$ curve of degree n is decomposed into a rib of degree (n-1), a fan of degree (n-2), and a scalar function of degree 2. We also show that a $B\'{e}zier$ surface of degree (m, n) is decomposed into a rib of degree (m-1, n-1) and three fans of degrees (m-1, n-2), (m-2, n-1), and (m-2, n-2), respectively. In addition, the lengths of the fans are further controlled by scalar functions of degree 2 and (2, 2). We present relevant notations and definitions, introduce theories, and present some of design examples.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1993년도 하계학술대회 논문집 A
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• pp.167-170
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• 1993

This paper deals with AVR(Automatic Voltage Regulator) control1or design of synchronous generator adapting AC indirect excitation system. The simulation results are presented in frequency and tine domain for two plants(A and B). Try and error method for compensator design is used.

• 대한설비공학회:학술대회논문집
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• 대한설비공학회 2009년도 하계학술발표대회 논문집
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• pp.1049-1054
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• 2009

Sustainable housing design can contribute to dramatically reduced energy usage and can be applied to all new building projects. This paper explores the potential in Korea of applying available energy efficient building technologies. The objective was to determine the degree of energy reduction that can easily be achieved in new building design. The pilot project is providing some prototypes with display units which incorporate principles of sustainable design and performance utilizing the eco-design objectives. This building challenges ingrained preconceptions about system designs for four energy saving levels(40%, 60%, 80% and zero energy) and exposes barriers to low energy buildings posed by new standards and guidelines.

• 한국지반공학회:학술대회논문집
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• 한국지반공학회 2007년 가을학술발표회
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• pp.78-89
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• 2007

Two design examples of deep foundations for high-rise buildings on soft ground are introduced in this paper. The first one is a 54-story building in Ho-Chi-Minh city, Vietnam, which was designed to be founded on $2.8m{\times}1.0m$ barrette foundations with approximately 60m to 75m depth. Based on a number of design guides and existing load test data from the construction sites in Ho-Chi-Minh city, the capacity of a barrette foundation in sand or clay layered ground was calculated to be 17.2MN to 27.8MN depending on the installing depth. The second one is a 40-story building in Baku city, Azerbaijan, which was designed to be supported by 2.0m diameter bored pile foundations with approximately 23m depth. As analytical or empirical guides for the local ground conditions were very limited, the design procedure from the SNiP Code, one of Russian specifications, was adopted and used to calculate the pile capacity. The capacity of bored pile foundation in highly weathered soil was expected to be 14.8MN to 15.5MN depending on the boring depth.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2012년도 춘계학술대회
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• pp.722-725
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• 2012

본 논문에서는 프로그램 된 eFuse 링크의 센싱 저항이 작으면서 기준 전압없이 BL 데이터를 센싱가능한 differential paired eFuse 셀을 사용하여 BCD 공정 기반의 8비트 eFuse OTP를 설계하였다. Differential eFuse OTP 셀의 프로그램 트랜지스터의 채널 폭은 $45{\mu}m$과 $120{\mu}m$으로 split하였다. 그리고 프로그램된 eFuse 저항의 변동을 고려한 variable pull-up load를 갖는 센싱 마진 테스터(sensing margin test) 회로를 구현하였다. $0.35{\mu}m$ BCD 공정을 이용하여 제작된 8bit eFuse OTP IP를 측정한 결과 프로그램 트랜지스터의 채널 폭이 $120{\mu}m$인 OTP IP의 수율이 $45{\mu}m$인 OTP IP보다 양호한 것으로 나타났다.

• 한국실내디자인학회논문집
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• 제16권4호
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• pp.81-88
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• 2007

The research made a study of the spatial characteristics of $m\'{e}diath\'{e}ques$ based on the twelve case studies of the BMVRs constructed with the financial support of the government since 1992 in France. The $m\'{e}diath\'{e}que$ is the community center for local residents to collect information, to have relationship with others and to shape public opinions. Thus it should have easy accessibility, liberal flow plan and the diversity of the newest information. The architectural elements to offer these faculties are summarized as follows. Firstly, the $m\'{e}diath\'{e}que$ as the public facility should have the easy flow plan and the high recognition for visitors. Second, it should be the efficient space for both managers and visitors. thus, it should not need more managers or have the difficulty to move. Third, it should be planed to support the change of the form of information and the needs of the visitors. It, therefore, should have the wide space with no wall and divide the space by movable furnitures. Lastly, it should be the space with the natural light, and it does not need the special artificial lights like museums. It is considered that the planning of the $m\'{e}diath\'{e}que$ should be from the four principles. Additionally, the program of the $M\'{e}diath\'{e}que$ should reflect the each local traits.