• Korean Institute of Interior Design Journal
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• v.19 no.2
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• pp.33-41
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• 2010

This study aims to analyze the typological characteristics of Alvar Aalto's library design. The unique characteristics of Aalto's architecture are the result of accommodating Modern architecture with regional qualities of Finland. Besides this, Aalto's typological approach in design made his color. The library might be the best example for understanding his design approach in that he showed 3 main features of type; wholeness, self-control and transformation. He established architectural types in his 30s through Viipuri public library and developed so-called fan type library plan. Aalto's library type is not a simple copy of exterior and interior form. It acts as a principle of configuration of his library architecture and applied to the building. Therefore, Aalto's library architecture can be recognized as the results of typological design approach in that it shows the transformation of type in according to factors including site, size, region and cultural tradition. In conclusion, Aalto's libraries reveal the typological characteristics in the field of building layout, dynamic space and the effective use of light.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2006.05a
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• pp.389-390
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• 2006

The cycloidal reducer is one of the velocity controlling equipments in machinery. It has advantages of the higher reduction ratio, the higher accuracy, the easier adjustment of the transmission ratio and the smaller workspace than any other kinds of the reducers. This paper proposes a simple and exact approach for the lobe profile design of the two teeth difference cycloidal plate gear, which is different from the standard cycloidal reducer, by means of the principle of the instant velocity center in the general contact mechanism and the homogeneous coordinate transformation.

• Korean Institute of Interior Design Journal
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• no.27
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• pp.136-144
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• 2001

As various colors are used indoors and such colors influence on the image of indoors, color selection and color combination are a very important issue in inferior design. The purpose of this study is to analyse characteristic of color usage in interior design elements such as the floor, the wall, the ceiling and furnitures. The result of analysis shows the frequently used Munsell code corresponding to the cmyk code. Based on this analysis, this paper classifies largely into two kinds of the color combination type which can be used leer efficient color selection with good harmony The first combination type is divided into five types and the second is classified into three types. This paper argues that combination design principle, as a strong design tool, for color should be further developed for good quality of color design.

• Korean Institute of Interior Design Journal
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• v.15 no.2 s.55
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• pp.13-20
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• 2006

The Universal Design is introduced as the universal principle to satisfy people's requirements for various environment. The public space of general hospitals should be designed with consideration of specific requirements of customers. The purpose of our research is to develop and propose the Universal Design checklist which considers the circulation in the public space. We investigated that the consideration for universal design was lacked by actual survey with the checklist made according to 'The law for improving convenience of the disabled, old people and pregnant women'. Furthermore, we found the problems of the checklist. We correct the checklist considering the measurements of the user's body and action. In addition, we propose the Universal Design Checklist by adding the new references in the article about the installation.

• Proceedings of the Korean Institute of Landscape Architecture Conference
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• 2007.10b
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• pp.30-37
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• 2007

Modern cities are weak in traditional culture with the lack of characteristics and the problem of environmental deterioration. As the important carrier of urban culture, landscape architecture should be responsible for solving these problems. The urban need is paid much attention in the design of South Bank Linear Park in Meizhou city. Following the principle of inheriting and developing urban traditional culture, the design of the whole park is integrated with Hakka culture in Meizhou, which forms the landscape with local features and modern landscape architecture culture, and promotes the urban culture construction.

• Korean Institute of Interior Design Journal
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• v.20 no.6
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• pp.236-243
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• 2011

The digital space color of new media environment denied not only the deterministic relationship of designed color and circumjacent color but also the deduced an special elements of digital space color. Such phenomena historical perspective of Gernot Wersig, new media principle of Lev Manovich and remediation of Bolter, J.K & Grusin, R. are expressed in various new media environment across. In particular, development of digital technology is moving away from its previous space color based on scientific, statistical and quantitative perspective by using diverse variables. The following research focuses on the fundamental concept of space color by type, composition of digital space color. The paper reflects on the meaning and concept of contemporary which enables the application of digital space color system on space through advanced technology. The principle of digital space color such as multidimensional malerisch, discontinuous video, vague original and copy, irregular repetitiveness of 'copy of copy', selective color of observer, experiential color of observer, and etc. makes it possible to extract the expressed element and method of digital space color. Meanwhile, the features of digital space color such as divided field of form, non-systematized of process and collage of communication can be inferred from case analysis.

• Proceedings of the Korean Institute of Interior Design Conference
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• 2007.05a
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• pp.255-259
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• 2007

Contemporary society is a digital and information-oriented society and a change by digital and information-oriented has made a new society principle and creature. The principle and creature has made society changed having influence on office space. The 21st century business space attachs great importance to the public space as the value of work place, namely, the place of gathering and client meeting which is society space and a thing which grants it with the biggest investment worth is a new order. This kind of society change has been making an appearance in contemporary office space as features of Narrative, Nodal, Neighbourly, Nomadic. These kinds of trends which are not exclusive mutually are stipulated as new trials to business space holding a lot of overriding features in common. These kinds of features brought into relief according to society change can be seen as key words speaking for contemporary office space and have a significance to contemplate and study for the office space of a new concept made an appearance together with society change. It is expected to contribute to revitalization programs with the far-reaching effect of understanding about ideal office work circumstances and work shape which the 21st century wants standing on the features of these new concepts.

• Korean Institute of Interior Design Journal
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• v.18 no.2
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• pp.33-40
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• 2009

Reflecting the idea of benevolent royal government of King Jeongjo(鼎俎), the Buyongji(芙蓉池) and Juhamru(宙合樓) of Changdeokgung(昌德宮) are the traditional Korean architecture to represent the Joseon(朝鮮) period. The purposes of this study were to investigate how the Likiron(理氣論), one of the foremost theories of Joseon Confucianism, was applied to the principle of space composition by analyzing Buyongji and Juhamru with Jung's analytical psychology and to provide basic data to utilize the results in modem space planning. The research findings indicate that Buyongji is the space of Ki(氣) to reflect the reality, corresponds to conscious, and represents the Joseon land and people including Chiljeong(七情) And Juhamru is the space of Li(理) with the ideal of benevolent royal government inherited in it and represents unconscious. It also has each building placed which contained the nature of Sadan(四端) along with Gyujanggak and Jewolgwangpunggwak(齊月光風觀) to represent "Self Archetype" that's the core of human mind. Each representing Ki and Li, Buyongji and Juhamru must have worked as a major composition principle of Likilwonronjeokilwonron(理氣二元論的一元論) that could simultaneously satisfy the practice philosophy of reality and ideal among Likiron.

• Transactions on Electrical and Electronic Materials
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• v.17 no.2
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• pp.79-85
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• 2016

In this study, we proposed a new single-stage small power MH lamp electronic ballast and power-factor correction circuit with improved circuit by the current of passive power factor correction. Main circuit integrates traditional DC/DC and DC/AC circuits into one-stage DC/AC inverter. Moreover, we described the working principle and control strategy of the new circuit; it's soft switching principle; and resonant element parameter design formula. An experimental prototype of HID lamp electronic ballast with output power of 70 W was built to verify the feasibility of the analysis and design. The simulation and experimental results proved that the power factor of this circuit could reach 94%, with efficiency of 90%. The input current harmonics conform to IEC 61000-3-2 standards and its cost is low. These superior performances of the new circuit indicate certain practical values.

• Korean Institute of Interior Design Journal
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• v.22 no.1
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• pp.239-246
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• 2013

This study is aimed at understanding the color extendibility of color-field abstract through Mark Rothko's paintings. Color extendibility is a structure applied by Mark Rothko. He simplifies it and by pursuing autonomy and immediacy of the color itself, including surface color and the front of color-field, Rothko creates value through motions in his square paintings of non-fixed shapes. Chapter 2 revisits the meaning of color in abstract expressionism and explains the principle of color-field by applying the concept of ergon and parergon. In chapter 3, the principle, processes, methods, techniques of expression were studied as a basis to understand color extendibility and color-field abstract. In chapter 4, the works of Mark Rothko were analyzed based on his multiform paintings(1946-1948), number and untitled(1949-1957), and black paintings(1958-1970) in order to identify, in the final chapter, the features of color extendibility in Rothko's works. According to the above research, the thesis successfully concludes that the artist's reconstruction of reality and readjustment of transcendent reality are reproduced via color extendibility, the movement of color-field.