• 한국실내디자인학회논문집
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• 제22권2호
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• pp.100-111
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• 2013

The theories of optical/haptic perception provide us contrasting insights into the perception of space in movie and architecture. Through the lenses of these theories, this study aims to analyse the optical and haptical aspect of the medieval library of the film, The Name of the Rose. The dominance of vision over the other senses has been maintained by many philosophers, such as Plato, Aristotle, and Aquinas, and this trend leads to the development of the hierarchical and perspective space of Renaissance and Modern Architecture. Those conceptions of optical space help us not only identify space as clear and distinct three-dimensional entity but also separate the subject and the object. However, tactile/haptic perception is more useful to explain the experience of film and contemporary architecture than optical perception. This haptic space is developed by Alois Riegl, Walter Benjamin, and Gilles Deleuze. This study intends to search for the difference between two perceptions on the architectural space of the movie, examine the relation between architecture and human, space and user.

• 제어로봇시스템학회:학술대회논문집
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• 제어로봇시스템학회 1995년도 Proceedings of the Korea Automation Control Conference, 10th (KACC); Seoul, Korea; 23-25 Oct. 1995
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• pp.468-471
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• 1995

In this paper, we propose a new strategy for a space robot to control its attitude. A space robot is an example of a class of non-holonomic systems, a system of which cannot be stabilized into its equilibria with continuous static state feedbacks even in the case that the system is, in some sense, controllable. Thus, we cannot design stabilizing controllers for space robots using conventional control theories. The strategy presented here transforms the non-holonomic system into a time-state control form, and allows us to make the state of the original system any desired one. In the stabilization, any conventional control theory can be applied. For simplicity, a space robot with a two-link manipulator is considered, and a simulated motion of the controlled system is shown.

• 한국실내디자인학회논문집
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• 제20권4호
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• pp.101-108
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• 2011

When observing an object in a space, a part of it is remembered into our perception in the time for paying attention or conscious observation and it reaches to our visual understanding. In this study, it examined characteristics by each subject through the process of visual understanding by changes in such observation time. The results from this study are summarized as belows: First, through analysis of the observation data focused on the distance between the observed points, it was able to apply those visual theories organized before to the analysis of characteristics of the time for understanding by each subject. Second, there showed big differences in the time for visual understanding by each subject according to changes in the observation time so that it was found that there were big differences according to the characteristics of subject's intention or purpose of the observation of a space. Third, as the number of continuous observation gives an important clue in judgement of how well the space was understood, it was able to compare and organize the mutual characteristics of the time the attention was concentrated, the time observed intentionally and the time understood visually. Fourth, it was found that the shorter subjects gave the intentional observation in observing a space, the longer they spent the time for paying attention, while the less they could understand it visually.

• Journal of Astronomy and Space Sciences
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• 제39권3호
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• pp.99-108
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• 2022

There are two models that explain the rotation curves of galaxies: dark matter, which gives the missing contribution to the gravitational potential of the standard theory of gravity, and modified theories of gravity, according to which the gravitational potential is created by ordinary visible mass. Both models have some disadvantages. The article offers a new look at the problem of galactic rotation curves. The author suggests that the moment of inertia creates an additional gravitational potential along with the mass. The numerical simulation carried out on the example of fourteen galaxies confirms the validity of such an assumption. This approach makes it possible to explain the constancy of gas velocities outside the galactic disk without involving the hypothesis of the existence of dark matter. At the same time, the proposed approach lacks the disadvantages of modified theories of gravity, where the gravitational potential is created only by the mass of visible matter.

• 대한한의학원전학회지
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• 제11권1호
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• pp.2-20
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• 1998

In the field of acupuncture and moxibustion, the theory of taboo of acupuncture and moxibustion on the basis of where the 'Qi and the soul of the men(人氣 人神)' exist became the foundation of the 'theory of chrono-acupunclure and moxibustion(時間性鍼灸法), that takes into account the thrift and retreatment of the Qi(氣) and the 'soul of the men' according to day and time. The fields of acupuncture and moxibustion in the theory of 'Yun Qi(運氣) which takes into account time space are the theories of the 'ZiWuLinZhu(子午流注)' and the 'LingGuiBaFa(靈龜八法)'. While the theory of the 'ZiWuLlnZhu' has the nature of time, 'LingGuiBaFa' has the nature of space comparatively. So the theory of 'Yun Qi' adopted and improved the time-space background that is the basis of the theory of the 'ZiWuLinZhu' and the 'LingGuiBaFa'.

• 한국언어정보학회:학술대회논문집
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• 한국언어정보학회 2007년도 정기학술대회
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• pp.42-53
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• 2007

Looking back the history of formal treatment of linguistics, we cannot disregard the contribution of possible world semantics. Intensional logic of Montague semantics, DRT (Discourse Representation Theory), mental space, and situation theory are closely related to or compared with the notion of possible world. All these theories have commonly clarified the structure of belief context or uncertain knowledge, employing hypothesized worlds. In this talk, I firstly brief the pedigree of these theories. Next, I will introduce the recent development of modal logic for the representation of (i) knowledge and belief and (ii) time, in which belief modality is precisely discussed together with the accessibility among possible worlds. I will refer to BDI (belief-desire-intention) logic, CTL (computational tree logic), and sphere-based model in belief revision. Finally, I will discuss how these theories could be applied to the further development of analyses of natural language.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2002년도 ITC-CSCC -1
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• pp.462-465
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• 2002

This paper presents a basic theory of information flow from single sending point to multiple receiving points, where new theories of algebraic system called "Hybrid Vector Space" and flow vector space play important roles. Based on the theory, a new algorithm for finding maximum homogenous information flow is proposed, where homogenous information flow means the flow of the same contents of information delivered to multiple clients at a time. Effective multi-routing algorithms fur tree-shape delivery rout search are presented.

• 한국실내디자인학회:학술대회논문집
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• 한국실내디자인학회 2005년도 추계학술발표대회 논문집
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• pp.85-89
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• 2005

Within a short period of time of evangelical activities in Korea, the Korean Christianity has been explosively grown since 1884. Now Korea became one of the top countries exporting many missionaries to other countries. We call the 1970s and after as the time of diversity in Korean churches and those buildings. In this period, Korean churches have grown larger and bigger, so called mega-churches. Including Yoido Full Gospel Church, Seoul with 10,000 seats, there are 22 mega-churches in Korea out of the world top 50 mega-churches. Having the necessity of knowing the composition of worship space of mega- or super-mega-churches, we analyzed and classified the information of mega-churches which were built after 1970s. We collected resources through blueprints, visitations of buildings, and interviews by phone, For this study and research, we selected total 66 churches. Based upon the existing theories, we categorized the plane of worship space, its axis, the arrangement of attendant seats, the location of the choir, and the pattern of a cross section of buildings. We also brought the conclusion of specific characteristics given through the analysis according to the time period, the style, and the denomination of megachurches.

• 한국경영과학회지
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• 제26권2호
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• pp.13-46
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• 2001

SDP (Semidefinite Programming), as a sort of “cone-LP”, optimizes a linear function over the intersection of an affine space and a cone that has the origin as its apex. SDP, however, has been developed in the process of searching for better solution methods for NP-hard combinatorial optimization problems. We surveyed the basic theories necessary to understand SDP researches. First, We examined SDP duality, comparing it to LP duality, which is essential for the interior point method, Second, we showed that SDP can be optimized from an interior solution in polynomial time with a desired error limit. finally, we summarized several research papers that showed SDP can improve solution methods for some combinatorial optimization problems, and explained why SDP has become one of the most important research topics in optimization. We tried to integrate SDP theories. relatively diverse and complicated. to survey research papers with our own perspective, and thus to help researcher to pursue their SDP researches in depth.

• 한국실내디자인학회논문집
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• 제24권4호
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• pp.33-42
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• 2015

A variety of attempts for trends to overcome the limits of the uniform styles and a fixed dichotomous structure and thoughts, have been made. This research aims to apply and analyze the application of concepts of the liminal space of contemporary architecture based on the destructive inclination of post-structuralism and the theories of philosophers. Space of the past was recognized for a long time focused on functions and styles that support the building. In modern and contemporary spaces, however, the boundary of contemporary space has been blurred with the mingling of cultural phenomenon. In other words, new architectural approaches of expression have been attempted such as structure, styles and materials, in combination of diversified concepts. And, the concept of liminal space is useful to identify the multi-layered and fluid characteristics. This study examines various characteristics of expression on the liminal space characteristics of comtemporary architecture tbased on Herzog and de Meuron's architecture. The result will help us understand the expression and characteristics of the liminal space that belongs nowhere among their architectural spaces. The analysis of the ases of Herzog and de Meuron will play a crucial role in developing new possibilities of modern space and contemporary space of the future.