• Korean Institute of Interior Design Journal
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• no.13
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• pp.32-36
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• 1997

This study is on the interior design standards which is based on the user participicatiov. The design standards in office planning is relied on user participication with practical method and suitable survey item. On space programming and zonning phase, work relationship, visiting rate and characteristics of work can be applied. The rate to take desk-occupancy, information processing grade, the needs of side work table, visitor table and surplus storage space can help to get workstation unit type. The layout of units can be applied on the grade of communication and work-concetration.

• Journal of Astronomy and Space Sciences
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• v.23 no.2
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• pp.161-166
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• 2006

In this paper, we describe the RLG current stabilizer circuit for attitude control in the satellite. The RLG makes use of the Sagnac effect within a resonant of a HeNe laser. The difference between two discharge currents causes one of the gyro bias errors. The theoretical background and current stabilizer are introduced. It is verified that the circuit designed is applicable to the test of input voltage and temperature.

• Journal of the Korean Solar Energy Society
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• v.24 no.4
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• pp.35-43
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• 2004

Illuminance and luminous levels in a small office space due to daylight were calculated to analyze the impact of daylight on contrast and lighting energy savings. Computer simulations were performed for four blind conditions under a clear sky condition. The blind conditions significantly impacted the illuminance an4 luminance level. Visual performance scores were calculated according to the transfer function that uses absolute contrast between target and background surface. The blind condition that had 45 tilted angle toward ground provided good contrast and performance scores. Using a control algorithm of an automated daylight dimming control system lighting energy sayings were predicted. For all blind conditions minimum lighting energy was consumed.

• Proceedings of the SAREK Conference
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• 2009.06a
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• pp.497-501
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• 2009

Effect of angle of supply air on cooling and heating performances of office space is studied by numerical simulation. For a constant air volume(CAV) air-conditioning system, air is supplied vertically($90^{\circ}$) and horizontally($10^{\circ}$). Due to buoyancy, the supply angle affects the performance of cooling and heating. In cooling, since the cold supply air tends to move downward due to its high density, horizontal supply angle is better for uniform temperature distribution. In heating, however, vertical supply angle is preferred for better mean and uniform temperature distribution.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.29 no.1
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• pp.94-100
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• 2006

The risk management is an organized method for identifying and measuring risk and for selecting, developing, and implementing options for the handling of risk. The risk management covers all programatic and technical factors which affect the system development performance, cost, and schedule. While technical issues are primary concern for systems engineering, the three elements(performance, cost, and schedule) must be balanced for a successful risk management process. This paper proposes the risk management process for the KSLV-I(Korea Space Launch Vehicle-I) program using computer-aided systems engineering tool, Cradle. The risk management process of KSLV-I program is similar to the general risk management process, but it has its own specific features to manage large-scale complex characteristics of KSLV-I program.

• Proceedings of the KSRS Conference
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• 2003.11a
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• pp.591-593
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• 2003

The study demonstrates the data extraction capabilities from the simulated ROCSAT-2 image by manual delineation. The GIS data are able to identify as fifteen categories of the classes I & II for the simulated ROCSAT-2 and SPOT image data. The areas of the paddy are identified almost the same results for both cases, but the arid farmland are identified differently about 30%. The ROCSAT-2 case can be also identified as seven more categories of the class III, but SPOT-4 case cannot.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2023.11a
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• pp.157-159
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• 2023

In order to promote the historicity of Eoryongdo Lighthouse, which was designated as a lighthouse cultural heritage in August 2023, and to utilize it as a water-friendly space, the facilities were improved to maintain the function of the lighthouse smoothly, and the buildings were reinforced to utilize it as a water-friendly space. We want to inform the public of the historical value of the lighthouse and make every effort to ensure maritime traffic safety, which is the original role of the lighthouse.

• Journal of the Korea Furniture Society
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• v.27 no.2
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• pp.154-163
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• 2016

In today's knowledge economy, various schemes are being devised in order to attain knowledge and understanding in the most effective ways possible. In an office environment, spatial concepts that encourage 'smart working' is becoming more prevalent; therefore allocating of space according to the types of work being performed, ways to maximise the work efficiency, and furniture arrangement to accelerate liaison among the users are being carefully considered. Especially in a space where its members are encouraged to communicate and collaborate, the furniture within that space need to be attractive and practical for its users, as well as efficient and effective for the firm the service is being provided for. In this study, we aim to offer furniture design service that satisfies such demands of the present time. Thus, instead of merely following a standard design process in which one approaches a project from design planes to an outcome, various aspects of the working environment will be considered such as the relationship between the space and the users, their needs, and the features of work being performed within the space. After attentive research and analysis, the results will be put into production from the user's point of view in mind. This study is intended to propose furniture design that embodies the characteristics of integrated working environment that can facilitate efficient use of the limited working space, productivity among the users, and promoting valuable corporate culture.

• Journal of Families and Better Life
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• v.25 no.5
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• pp.185-197
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• 2007

Permanent rental housing which is entirely financed by the Government is welfare housing for those who fall within the lowest income bracket. This type of housing is intended for use as rental housing on a long-term basis. At present, there are about 190,000 permanent rental housing units in Korea. The purpose of this study is to suggest the implications to improve the management and welfare service system of permanent rental housing. For this, qualitative data were collected by using the in-depth interview with staffs of community welfare center and management office of five permanent rental housing complexes and two times of advisory committee meeting with housing and social welfare experts. To analyze the data gathered in this study, the constant comparative method of data analysis was used. Conflicts between the management office and social welfare center of permanent rental housing could be classified into two aspects; personal and operational. Main reasons for the conflicts between two institutions were identified such as attitude of management office staffs, lack of cooperation, current administrative system, lack of management resources such as space and operation cost, and so on. Based on the results, some implications including institutional support and social complementary cooperation were suggested for improvement of management and welfare service system for the residents of permanent rental housing.

• Proceedings of the KSRS Conference
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• 2005.10a
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• pp.645-648
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• 2005

The COMS(Communication, Ocean and Meteorological Satellite), a multi-mission geo-stationary satellite, is being developed by KARl. The first mission of the COMS is the meteorological image and data gathering for weather forecast by using a five channel meteorological imager. The second mission is the oceanographic image and data gathering for marine environment monitoring around Korean Peninsula by using an eight channel Geostationary Ocean Color Imager(GOCI). The third mission is newly developed Ka-Band communication payload certification test in space by providing communication service in Korean Peninsula and Manjurian area. There were many low Earth orbit satellites for ocean monitoring. However, there has never been any geostationary satellite for ocean monitoring. The COMS is going to be the first satellite for ocean monitoring mission on the geo-stationary orbit. The meteorological image and data obtained by the COMS will be distributed to end users in Asia-Pacific area and it will contribute to the improved weather forecast.