• Korean Institute of Interior Design Journal
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• no.37
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• pp.21-28
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• 2003

Transformation of complexity and diverse life style of contemporary men have call for increase in demand of single's and couple's living space of one-room apartment. Feasibility for intensive use of one-room apartment, regardless of it's openness and flexible character, multiple function in a single concentrated room without privacy and lack of confrontation of the changes in diverse living pattern enhance uniformity which reflects as an essential problem. Therefore, this study is to present a direction of one-room apartment interior space planning to differentiate from the existing system of uniformity and it's problems. Within the concept of flexibility, establishment of the flexibility factors for the application of hinged system with a movable furniture to compose a flexible space. In conclusion, the applications of hinged system concept of sliding, folding, over-hangings, are applied in existing one-room apartment plan to enhance flexible space planning which to drive in motivation and adaptation of the dweller's life cycle.

• Korean Institute of Interior Design Journal
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• no.7
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• pp.50-55
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• 1996

Open education has brought about new concept and variation in educational quality , schools have adopted open education since mid 1980s. Since then ,open education has developed in Korea, but do not fit to the Korean educational situation without some modification in educational space. In the study, some theoretical backgrounds of open education reviewed from some literature were applied, and introduced the flexibility of the open education, some results of the analysis of flexibility space and furniture system. The purpose of this study is to suggest some of direction in the open education space for more advanced Korean education situation.

• Proceedings of the Korea Multimedia Society Conference
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• 2004.05a
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• pp.671-674
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• 2004

본 논문에서는 가구 인테리어를 위해 사전에 제작된 가구의 배치를 인터렉티브하게 시뮬레이션할 수 있도록 3D Visual 시뮬레이터 시스템을 개발하고자 한다. AutoCAD에서 제작된 도면파일(*.dxf)로 가상공간을 구성하고 3D MAX에서 Import된 Object 파일(*.3ds)을 Load하여 사용자가 쉽게 배치할 수 있도록 하는 것에 주안점을 두었다. 구성된 장면에 현실감을 주기 위해 고급 Rendering 기술 구현 또한 목표로 한다. 구축된 공간과 Object에는 텍스쳐 매핑과 Display Edit 기능을 구현하여 최대한 현실적인 시뮬레이터의 기능을 살릴 수 있도록 개발한다.

• Journal of Positioning, Navigation, and Timing
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• v.10 no.2
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• pp.121-130
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• 2021

In this paper, we propose a method to improve the positioning accuracy of TOA based indoor positioning system in NLOS environments. TOA based indoor positioning systems have been studied mostly considering LOS environments. However, it is almost impossible to maintain the LOS environments due to obstacles such as people, furniture, walls, and so on. The proposed method in this study compensates the range error caused by the NLOS environments. We confirmed that positioning accuracy of a proposed method is improved than conventional algorithms through simulation and field test.

• Journal of Ocean Engineering and Technology
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• v.26 no.4
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• pp.8-14
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• 2012

Two dimensional nesting is a common problem in industries such as the shipbuilding, automotive, clothing, shoe-making, and furniture industries, in which various parts are cut off from stock or packed in a flat space while minimizing waste or unoccupied space. Nesting is known as an NP-complete problem, which has a solution time proportional to the superpolynomial of the input size. It becomes practically impossible to find an optimal solution using algorithmic methods as the number of shapes to nest increases. Therefore, heuristic methods are commonly used to solve nesting problems. This paper presents an expert system that uses a heuristic search method based on an evaluation function for nesting problems, in which parts and stock are represented by pixels. The system is developed in CLIPS, an expert system shell, and is applied to four different kinds of example problems to verify its applicability in practical problems.

• Korean Institute of Interior Design Journal
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• v.14 no.1
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• pp.64-72
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• 2005

The purpose of this study was to analyze the flexible system in a typological way that develops and promotes the various methods of flexible system. The main method of this study was literature review and content analysis on various flexible systems and a case study of flexible housing. The flexible system in this typological analysis was classified into two categories: 'Elements of Flexibility' and 'Variation'. The category of Flexibility Elements was categorized into 'Primary Elements'(e.g., walls, floors, and ceilings),'Secondary Elements'(e.g., doors, windows, and furniture), and 'Tertiary Elements'(e.g., lighting, hues and finishing materials). Variation Effect was classified into 'Visual Variation', 'AppBicative Variation', and 'Layout Variation'. Also, Variation could be classified into 'Finish-centered', 'Application-centered', and 'Layout-centered' The flexible system developed in this study is a basis for further concrete flexible methods.

• Transactions of the Korean Society for Noise and Vibration Engineering
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• v.17 no.11
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• pp.1050-1055
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• 2007

P.A.(public address) system is considered as an useful active soundscape appliance which can gives a place identity and vitality by introducing conventional musics, environmental musics, bird singing sounds etc. In this study, the main aim is to know the optimistic distance from the speaker and sound pressure level range of introducing sound. So, the sound pressure level of P.A. system due to distances were measured and subjects' responses with level variations were checked. The main results are as follows. Level range from 64 dB to 71 dB is comfortable for subjects. And the optimal level of introducing sound is related with sound source characteristics. The results of this study could be used for street furniture location design and P.A. system output level.

• Journal of the Korean housing association
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• v.20 no.3
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• pp.123-131
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• 2009

Skeleton/Infill Housing in Japan was developed in 1979 in order to provide a solution to the modem problem of the need to flexibly respond to diversified demands for housing, and to establish a social basis of housing as public housing complexes are realized. In this system, the "skeleton" like building structure, which has a social nature, is separated from "infill" such as interior furnishings, which have more individuality, The public body was the unified supplier of the skeleton, and the private sector satisfied each household's needs in tenus of infill using a demander participation approach, Today however, Skeleton/Infill Housing is required to solve an entirely new housing problem, necessitating a dramatic change of infill. For this reason, this study aims to clear the infill within the system and propose a more flexible system which can provide appropriate information to improve the infill.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2006.05a
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• pp.726-729
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• 2006

As a active soundscape facility, P.A. system is a useful instrument to give place identity and vitality by letting out music, environmental music, bird singing sound etc. In this study, to know the optimistic distance and sound level range of introducing sound, sound levels due to distance were measured and subject responses were checked by questionnaire. Levels from 64dB to 71dB are recommended by subjects. And the optimistic level of introducing level is related with level variance of sound source. The results of this study could used for street furniture location design and P.A. system output level.

• Journal of Korean Living Environment System
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• v.24 no.5
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• pp.654-664
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• 2017

The use of environmentally friendly finishing materials allows us to create a space where we can feel nature and to have stability and peace in the city center. In this paper, we examined the sensitivity of people to the three café spaces where wooden finishing materials are used in the space elements that change according to people's demands for environmentally friendly space due to pollution of living environment. First, we examined the wood and finishing materials and emotional vocabulary through literature review and previous research. Second, the values of L ^*, a ^*, b^* and sR, sG and sB values were extracted by using a line spectrophotometer (Ci6X). Third, we conducted a 7 - point scale questionnaire based on the extracted 13 pairs of emotional vocabulary. Using SPSS 21, frequency analysis by descriptive statistics, crossover analysis by visiting purpose and intention, and emotional lexical factor analysis were performed. Through the study, the following points were found. First, CB (The Coffee Bean), SB (Starbucks) and HS (Hollys Coffee) showed differences in CB (65%), SB (40%) and HS (37%) in the spatial analysis. Second, CB gave color similar to the color of wall and furniture wood, but HS changed the color or brightness of wood finishing color of furniture. HS or SB showed favorable use of wood color scheme. Third, SB (26.3%) and HS (19.7%) were selected by taste. Fourth, there were differences in the items of CB, 'local-exotic' and SB 'dark-bright' in the factor value. The use of wood finishing materials differed in the atmosphere evaluation depending on the spatial factors and the color of the furniture. However, in this study, there are many factors that are insufficient in the accuracy of the ratio of the applied wood finishing material to the space element and the amount of the survey. If we further study the evaluation of emotional image according to the ratio of wood finishing materials, we think that it is necessary to study now that interest in environmentally friendly is increasing.