• Proceedings of the KAIS Fall Conference
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• 2010.05b
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• pp.637-640
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• 2010

농촌주택표준설계도란 농어촌주택설계를 위한 시간적, 경제적 부담을 덜어주기 위해 설계도서를 미리 작성하여 두고 건축하고자 하는 국민들의 취향에 따라 이를 선택적으로 이용할 수 있도록 건설교통부 장관이 공고한 설계도서를 말한다. 본 연구에서는 시기별로 나타나는 표준주택설계도의 평면 특징을 고찰하고 최근 농촌주택표준설계도의 특징을 고찰 분석하고자 한다.

• Korean Journal of Optics and Photonics
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• v.4 no.4
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• pp.381-389
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• 1993

A software to calculate diffraction OTF from lens design data was developed and its accuracy was verified. To verify the accuracy, MTF of a standard lens system for OTF measurement were calculated. The results were compared with calculated values by another commercial software and measured values. We found that they have good agreements with one another.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2001.10a
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• pp.567-570
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• 2001

In this paper, we proposed flash memory design method for image and voice recoder based on the standard imageㆍvoice codec algorithm. For implementation of this method we designed image voice browser which is application system of flash memory and card using GDS30C6001 USB controller. To process image and voice data we designed root directory of image and voice files repectively. To extend application of image and voice data we added various information to the system.

• Proceedings of the KAIS Fall Conference
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• 2007.11a
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• pp.363-366
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• 2007

표준설계도란 농촌주택설계를 위한 시간적, 경제적인 부담을 줄여주기 위하여 설계도를 미리 작성하여 두고 건축하고자 하는 국민의 취향에 따라 이를 선택적으로 이용할 수 있도록 건설교통부장관이 공고한 설계도를 말한다.(건축법 제19조 4항, 같은 법 시행령 제18조) 본 연구에서는 이러한 표준설계도의 취지와 내용을 분석하고 농촌에서의 적용이라는 관점에서 그 한계와 개선점을 살펴보았다.

• Journal of the Korean Society for Railway
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• v.20 no.1
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• pp.99-110
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• 2017

As a part of several Eurasian initiatives, the Korean government is trying to reconnect railways through North Korea to the Asian continent. If South Korea could build a network using railway, it would be a chance to develop a robust economic environment and to motivate economic growth. In the railway reconnection project between North and South Korea, the most important part of the railway roadbed sector is repair or improvement, and then construction of a new line through North Korea. There are not many big differences in the geological conditions; however, climate condition varies greatly during winter. The most significant condition in the safety of railway operation is frost-heaving. However, since South Korea has a relatively mild climate condition compared with North Korea, design and construction specifications under severe weather conditions in winter have not been prepared. This study proposes a plan for revising the railway design standard for underpass structures through an analysis of international standards, leading to site construction to prevent frost-heave.

• Journal of the Korea Society of Computer and Information
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• v.28 no.3
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• pp.45-58
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• 2023

KVMF(Korean Variable Message Format) 1.0 protocol is the Army's standard tactical datalink protocol that defines standard messages and communication methods to enable data communication between various weapon systems through bitwise variable message processing. The protocol has been applied to a variety of Army weapon systems over the past decade and has contributed to upgrade the Army's operational capabilities by enabling the implementation of Network Centric Warfare (NCW), the core of modern warfare. Since the KVMF 1.0 protocol was applied, new weapon systems with new technologies have been introduced over time, and new weapon systems have new messages based on the characteristics of the weapon system. As a result, compatibility problems arose due to different message versions with existing weapon systems, and it was expected that these problems would continue to emerge in the future, considering the need for continuous message revisions. Therefore, it became necessary to solve this problem, so this paper proposed a KVMF 2.0 protocol design that guarantees compatibility between forward and backward versions. In this paper, we implemented the design as SW, and confirmed that the design worked successfully by test between forward and backward versions on test environment. Therefore, when the KVMF 2.0 protocol design is applied to a weapon system, we can expect that the weapon system can be compatible with the forward and backward versions working with the existing weapon systems as well as with the future weapon systems.

• Journal of Korean Institute of Industrial Engineers
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• v.28 no.4
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• pp.407-414
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• 2002

The inherent reliability of a product is primarily determined in the design stage, and therefore, design engineers should be able to design reliability into the product in an efficient manner. Especially, the product should be designed such that its reliability is robust to various noise factors encountered in production and field environments. The Taguchi method can be effectively used for this purpose. However, there exist only a few attempts to integrate the Taguchi method with reliability design, and in addition, the existing works do not sufficiently consider the robustness and/or the distinction between noise and acceleration factors. This paper develops a unified approach to robust reliability design assuming that accelerated life tests are conducted at each combination of design and noise conditions. First, an experimental structure for assigning not only acceleration but also noise factors is presented. Second, the reliability at the use condition is estimated using the assumed accelerated life test model. Third, reliabilities are transformed into 'efforts' using an effort function which reflects the degree of difficulty involved in improving the reliability. Finally, an optimal setting of design parameters is determined based on the mean and standard deviation of the effort values. The above approach is illustrated with an example of a paper feeder design.

• Journal of the Korean Society for Geothermal and Hydrothermal Energy
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• v.4 no.2
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• pp.1-7
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• 2008

GSHP(Ground Source Heat Pump) has been extensively disseminated due to the recent increasing demand over new and renewable energy. However, the system reliability has been key issues and barriers to insure a better system performance as designed originally in ISO (international standard organization) standard. This paper introduces a systematic method to verify its intended design target so called as ISO performance data based commissioning technology for a water to air GSHP system. The commissioning technology starts from are to the international standard ISO performance data of a GSHP model and to compare its installed operation data and to calibrate and tune to the target optimum operation parameters. Results indicated that cooling capacity could be raised up to 76.6% from 46.6% from this proposed commissioning technology.

• Journal of the Institute of Electronics Engineers of Korea SD
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• v.43 no.3 s.345
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• pp.40-47
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• 2006

The finite-field multiplication can be applied to the elliptic curve cryptosystems. However, an efficient algorithm and the hardware design are required since the finite-field multiplication takes much time to compute. In this paper, we propose a radix-4 systolic multiplier on $GF(2^m)$ with comparative area and performance. The algorithm of the proposed standard-basis multiplier is mathematically developed to map on low-cost systolic cells, so that the proposed systolic architecture is suitable for VLSI design. Compared to the bit-parallel, bit-serial and systolic multipliers, the proposed multiplier has relatively effective high performance and low cost. We design and synthesis $GF(2^{193})$ finite-field multiplier using Hynix $0.35{\mu}m$ standard cell library and the maximum clock frequency is 400MHz.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.9 no.6
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• pp.1718-1725
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• 2008

Until 1980s, Korean elementary school architecture has been stereotyped by standard drawings. But there have been very few researches focused on this subject, especially regional one. As an attempt to improve these conditions, this study reviewed standard drawings of elementary school architecture by Education Board of Seoul in 1964 and 1975. Both standard drawings were reviewed through items such as components making a set of standard drawings, floor plan, elevation design and subsidiary facilities. They have rectangular unit classrooms, single-corridor block plan and plain exterior having no symbolic images, which are the characteristics of typical Korean school architecture until 1980s. On the other hand, they reveal the unknown characteristics such as double-corridor block plan, classrooms in basement, toilets of conventional type placed on every floor and changes in details of openings and exterior wall.