• International Commerce and Information Review
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• v.7 no.2
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• pp.97-113
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• 2005

Korea has actively promoted the Comprehensive Plan for the e-Hub. The policies of Korean government could promote the e-business environment and market conditions in legal and infrastructure terms, but not much of business itself. The reason for this limited success in the e-Trade may result from the broken linkage between government policies and business strategies as well as the business and technical innovation. In this paper, we analyzes the more effective and economic solution for this recovery of broken link in terms of Metamediary. The most successful role of metamediary should compose of three functions - facilitator, collaborator and web service provider. Each of these function is clarified in more detail with the emphasis on the collaboration between the Universities and the government-supported corporations.

• Journal of the Earthquake Engineering Society of Korea
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• v.24 no.3
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• pp.149-156
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• 2020

The vibration control device such as the damper can be used to reinforce the seismic performance of structures. The damper is activated by the deformation of structures during earthquake; however, the deformation of structures is extremely small, causing difficulty in using the damper. Therefore, there is a need for a method capable of amplifying small deformities and transmitting them to the damper. The purpose of this paper is to develop and evaluate a displacement amplification seismic system using cable-pulley. The appropriate cable was selected through a cable tensile performance test and the results of the frame experiment were compared with theoretical displacement amplification ratio values. As a result, it may be said that the proposed system using cable-pulley is useful for displacement amplification.

• Journal of Evidence-Based Herbal Medicine
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• v.2 no.2
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• pp.9-15
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• 2009

In order to build up the infrastructure of the globalization of herbal material, the system of culture, distribution, treatment and sale should be established on the basis of the official documents. In this context, the state compendium needs to be theoretically established in perfection 0in order that it may be globally authoritative. The ultimate goal of this study is to clarify the origin and description of the herbal material unregistered in the official documents, as well as to establish the criteria of assessment. The technical books on herbage, published in the country and other countries, were compared with each other. Also, on-the-spot surveys were made to learn specialists' know-how. The description of the collected drug-stuffs Were analyzed in connection with external morphology, internal morphology and microscopy. And the laboratory test was performed to differentiate such drug-stuffs.

• Journal of Korean Society of Water and Wastewater
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• v.25 no.6
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• pp.935-947
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• 2011

In the era of climate change, the feasibility of a 'multi-functional storage facility' was evaluated in terms of various key performance indices such as flooding prevention effects, urban pollution reduction effects, and rainwater harvesting effects. As a result, the Korea Ministry of Environment introduced a new concept of 'multi-functional storage facility' for sewer flooding prevention and urban non-point pollution reduction. Prior to introducing these infrastructure (a large underground storage facility), the more details were needed to be examined carefully in all of technical aspects of construction and management. It was also well known that the validity of installation of 'multi-functional storage facility' was sometimes weakened because of a low B/C ratio.

• Steel and Composite Structures
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• v.7 no.6
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• pp.421-440
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• 2007

An optimal design method in cooperated with nonlinear inelastic analysis is presented. The proposed nonlinear inelastic method overcomes the difficulties due to incompatibility between the elastic global analysis and the limit state member design in the conventional LRFD method. The genetic algorithm used is a procedure based on Darwinian notions of survival of the fittest, where selection, crossover, and mutation operators are used to look for high performance ones among sections in the database. They are satisfied with the constraint functions and give the lightest weight to the structure. The objective function taken is the total weight of the steel structure and the constraint functions are load-carrying capacity, serviceability, and ductility requirement. Case studies of a planar portal frame, a space two-story frame, and a three-dimensional steel arch bridge are presented.

• Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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• 2011.10a
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• pp.833-838
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• 2011

Future powertrain technologies will be developed focused on applications of eco-friendly technology for internal combustion engine, electric vehicle and Fuel Cell Electric Vehicle. But it is expected that these cutting edge technologies will not be applied immediately due to lack of infrastructure, technical and economical reasons. Therefore, numerous developments of internal combustion engine will be carried out for the time being. There have been many turbo engine developments undergoing to maximize the engine performance using turbo charger system in accordance with global trend-green technology and downsizing of engine which coincides with HMC's future development strategy. This study reviews the development process and result of plastic intake manifold module which is firstly developed for turbo engine. CAE simulation and experiments were implanted to evaluate design validity.

• Journal of the Korea Furniture Society
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• v.12 no.2
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• pp.51-59
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• 2001

Opening 21th Century, all the Countries of the world has been focusing on build up the foundation of cultural infrastructure in a various way, since the awareness of importance for cultural design products has been turnover. On the other hand, our cultural crafts＇ industry has not escaped from poor working environment and lagging behind conventional product system, and yet there is no complete system for mass production. The study is collaboration with Tourism Industry Innovation Center in Kwangju University for development of cultural products of wooden crafts by using cultural resources in Kwangju area and CNC M/C which is up-to-date digital technology. It aims to make possibility of mass production and discrimination on design for wooden crafts which is based on highly skilled technical manpower and creativities, and expects to develop and merchandise global wooden cultural products.

• Journal of Communications and Networks
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• v.4 no.4
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• pp.282-291
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• 2002

3GPP (Third Generation Partnership Project) is defining UMTS (Universal Mobile Telecommunication System) releases which span the transition from GSM/UMTS coexistence to All-IP UMTS networks. The deployment of an UMTS network depends, in the first place, on the intended service offerings and the release an operator chooses to start service with. Other key decisions in-fluencing UMTS deployment relate to the timing of the functional enhancements and capacity increases along the economic life of the network. This paper gives an overview on the architectural and technical options for UMTS deployment. It also outlines the methodology underlying the business plan aimed at estimating the returns from investments in the UMTS infrastructure, thus helping to tune operators’ strategies for UMTS deployment.

• Proceedings of the KIEE Conference
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• 2001.07a
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• pp.527-529
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• 2001

Interfaces are the point of interconnection between distributed generation and the energy infrastructure. These interfaces are generally physical but can include a market dimension as well. While there are issues surrounding various interfaces, the most important issues in the short term are on the electrical interface. Much of the discussion and debate surrounding distributed generation interconnection has centered on technical issues. However, there are two elements of Interconnection that merit equal consideration-process and contractual issues. The solution of distributed generation Interconnection issues depends on whether existing requirements can be modified to make them more efficient, transparent, and standardized while maintaining the grid's reliability and safety. In this paper, two main courses, standardization and third party participation, are suggested for the resolution of these issues.

• Proceedings of the KSR Conference
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• 2008.06a
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• pp.642-646
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• 2008

Signaling system, for which ensuring safe train operation, must be a fail-safe system with higher reliability and safety. TCS has made significant improvements both on signaling system, from relay based ground signaling system to computer based on-board system, and on driving mode, form low speed and low density driving to TCS supporting high speed and high density driving. In addition, TCS has been applied to rolling stock with a wide variety of context according to the characteristics of rolling stock or railway infrastructure. In this paper, therefore, we confirmed the basic concept of ATC system and analyzed its development process in technology context via referencing international cases and ATC systems introduced and applied in Korea. Based on those analyses, we suggested the new TCS development strategy for its suitable application to high speed line, conventional line and metro, and we also provided technical considerations related to TCS application.