• Proceedings of the Korea Contents Association Conference
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• 2009.05a
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• pp.693-698
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• 2009

Computer system to operate normally without interruption, is one of the important issues. Likewise, a computer system to operate without interruption, failure to endure a variety of techniques, development and commercial use is arranged. Most guards will take a lot of technique failure endure. In this paper on the Linux operating system, dynamic module (DLM) to connect using the USB device to use USB devices can cause the symptoms to reduce the kernel PANIC hadeuning technique for studying the kernel.

• Proceedings of the Korea Technology Innovation Society Conference
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• 2004.05a
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• pp.158-173
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• 2004

From the present geographical environment of Korean peninsular the Republic of Korea is worser than the an island country of Japan In the point of Northeastern Asia energy network. Therefore the energy cooperation with South and North Korea is direct connect to the Northeast Asian Energy Network. It is most important that North Korea promotes the economics by themselves through the solving of their energy Problem with South Korea. Therefore, at the moment it is necessary to support North Korea with the cooperation of energy technologies that could be useful to set up the Northeast Asia Energy Network and which is important to form the energy system of Korean peninsular. In this paper to importance of cooperation for energy technology and the present of economics and energy demand/supply in North Korea and energy technology of North Korea & the comparison energy technology level of the both countries and cooperation between South and North Korea is described.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2017.11a
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• pp.140-142
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• 2017

Hai Phong is the important transportation hub of the northern Vietnam with many advantages. Hai Phong can connect with orthers provinces by road, railway, airport, seaport system and inland waterway. So far, Hai Phong is develop so fast However, Hai Phong's logistics services are still low level and less competitive. The human resources are lacking of experiences and also low quality, the logistics enterprises are small, low capital and they can not compete with foreign companies. Further more, the infrastructure are invested but there are still have some problems inside. This paper has assessed and systemized the situation of development of Hai phong.

• Proceedings of the KIEE Conference
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• 1987.07b
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• pp.898-902
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• 1987

An end-to-end connect ion between customers on a network such as the PSTN (Public Switched Telephone Network) requires a number of internal connection ammong pieces of transmission, switching and signaling equipment. New switching, transmission, and station systems, as well as new features for existing systems, are continually being developed. and the complexities are such that ensuring compatibility of signaling arrange.ent is a major concern. In this paper, we propose that new signal interface using features of SPC(Stored Program Control) and digital transmission has to be introduced into the domestic telecommunications network in the near future.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 1997.04a
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• pp.222-224
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• 1997

This study is about a connective method of High Tc wire for long wire. We prepared silver-sheathed BiPbSrCaCuO wires by the powder-in-tube method. Since the superconducting wires are ceramic, it is very hard to connect each other. In this study, we used a silver sleeve to contract wires and pressed them by various preasures. Then optimum preasure was 9,000 Kgf/$\textrm{cm}^2$ to get the high critical current. The higest critical current was 10A.

• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2001.07a
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• pp.680-683
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• 2001

The output characteristics of step-down piezoelectric transformer is changed by a structure of layers. In this paper, we simulated output characteristics of multi-layer piezoelectric transformers with variation of output layers. Also, fabricated piezoelectric transformers were compared with simulated data. From simulated piezoelectric transformers, the output voltage decreased with increasing number of layers. From these results, piezoelectric transformers were made and the output electrical power of the transformers was measured at resonance frequency and at other frequency. The electrical power of transformers was measured on each transformer's resonance mode. However, measured value of 12-layed transformer's output power was smaller than that of 6-layered transformer's one. It is supposed that internal capacitance and reactance of the piezoelectric transformer's were effected in this result. Therefore we need to connect other road resistance and capacitance in output circuit, in order to increase electrical power of transformers.

• Proceedings of the KIEE Conference
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• 2005.07d
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• pp.2771-2773
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• 2005

In network human-robot interaction, human can access services of a robot system through the network The communication is done by interacting with the distributed sensors via voice, gestures or by using user network access device such as computer, PDA. The service organization and exploration is very important for this distributed system. In this paper we propose a new agent-based framework to integrate partners of this distributed system together and help users to explore the service effectively without complicated configuration. Our system consists of several robots. users and distributed sensors. These partners are connected in a decentralized but centralized control system using agent-based technology. Several experiments are conducted successfully using our framework The experiments show that this framework is good in term of increasing the availability of the system, reducing the time users and robots needs to connect to the network at the same time. The framework also provides some coordination methods for the human robot interaction system.

• Korean Journal of Mathematics
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• v.28 no.1
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• pp.89-104
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• 2020

In this paper, we connect (α, β) union soft sets and their ideal related properties with KU-algebras. In particular, we will study (α, β)-union soft sets, (α, β)-union soft ideals, (α, β)-union soft commutative ideals and ideal relations in KU-algebras. Finally, a characterization of ideals in KU-algebras in terms of (α, β)-union soft sets have been provided.

• Journal of the Korean Society for Railway
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• v.9 no.2 s.33
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• pp.174-179
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• 2006

Recently, the crossing tunnel has been constructed frequently to connect the separated area by highway and railroad. The construction of crossing tunnel must be progressed while maintaining the existing traffic of the highway as well as railroad. There are many cross funnelling methods such as NTR, TRCM, Messer Shield, Front Jacking, and Pipe Roof Method. The advantages of adopting RPS(Roof Panel Shield) method in crossing tunnel construction with comparing other existing cross funnelling methods are needed a little volume of concrete and easy to change the direction of cutting shoe during the construction of pipe roof, The 3-dimensional numerical analysis of RPS to consider the arching effect was performed for the application in the crossing tunnel under railroad. The earth pressure distribution and settlement were predicted when the RPS method was applied during the excavation for crossing railroad tunnel construction.

• Proceedings of the KSR Conference
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• 2004.06a
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• pp.177-182
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• 2004

Railroad car is one of major public transportation because of an increase in population and heavy traffic problems. We design the concept with air filtration of HVAC system using CFD, select environment-friendly components and compose intellectual HVAC system. For this object, the research to connect HVAC system which control temperature, humidity, air flow with pollutant controlling system which can deal with particular dust, nasty smell. In case of train, fresh air should be provided continuously for pleasant environment of the cabin every season. The air will control outer dust, inner particular dust, $CO_2$ density by air conditioning, heating, humidity regulating, air filtering and ventilating. Ventilation system on passenger cars should be designed for the health and comfort of the passengers.