• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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• 2007.11a
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• pp.500-501
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• 2007

Automation systems for higher performance and efficiency in railway electrification systems are driving ever more demanding needs for new condition monitering systems which can consist of sensors connected to the substation and catenary systems. This paper reviews the recently developed condition monitering system, based on a IP network-based multi-agent system, wireless communications and sensor networks for railway electrification system. A new concept for information management, condition monitoring and control of power transmission are considered as railway automation in electrification system.

• Proceedings of the Korean Society for Agricultural Machinery Conference
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• v.10 no.2
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• pp.280-288
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• 2005

• Journal of the Korean Data and Information Science Society
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• v.16 no.2
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• pp.349-357
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• 2005

Principal component analysis(PCA) was carried out to evaluate the water quality with the monitering data collected from 1997 to 2003 along the coastal area of Ulsan, Korea. To enhance evaluation and to complement descriptive power of traditional PCA, optimal scaling was applied to transform the original data into optimally scaled data. Cluster analysis was also applied to classify the monitering stations according to their characteristics of water quality.

• Environmental engineer
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• s.24
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• pp.28-31
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• 1988

• Proceedings of the Korea Contents Association Conference
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• 2007.11a
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• pp.7-11
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• 2007

Recently, as grow of digital and internet, market is change consumer orientation from provider orientation. So, if firms detect and offer customer value to cope with this environment, they can expect to positive business performance. Because customer value affect on business performance, many firms are playing diverse marketing action to create customer value. For offer important value to customer, firms must monitering continuously on environment change and customer trend. So, The purpose of this paper is to analyze on customer value factors through customer monitering action.

• Journal of the Korea Society of Computer and Information
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• v.14 no.10
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• pp.167-174
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• 2009

We have recently studied the application of Information Technology to agricultural industry for competitive power. Because the big stockyards are far away from the house, we need a realtime monitering and control system to manage it efficiently. This paper presented design and implementation for a realtime monitering and controlling system that we can use to watch an movement of an electronic devices in the stockyards. Compared to other systems, we have more trust in our system by confirming an operation of devices through a realtime video streaming.

• Journal of Agricultural Extension & Community Development
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• v.16 no.4
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• pp.837-867
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• 2009

The purpose of this study is evaluate the direct payment program for rural landscape conservation and deduce facts to improve. This research is composed with a survey on local government officials and farmers joined this program, and used monitering in selected 41 zones. According to the surveys, this program showed a positive contribution to the effects: village harmony, visitors increase, village income. However, It's contribute in short term objectives, but has not yet reach the ultimate goal such as regional development through visitors and village income. We found some problems in the monitering, on the agreement with farmers, range of village activities, operating AgriX program, etc. Finally, we suggest some proposals ; 1) to redefine the aims and range for the program, 2) to clarify a village action program, 3) to strength the admission procedure, 4) to designate district based on landscape resources survey.

• Magazine of the Korea Concrete Institute
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• v.10 no.3
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• pp.209-218
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• 1998

본 연구에서는 콘크리트내 철근의 방식성을 검토하기 위하여 실제 구조물과 유사하도록 콘크리트 대형 패널 실험체를 제작하였으며, 실험체 제작시 콘크리트 내부에 염화물을 혼입하여 음극전기방식 공법을 도입한 실험체와 공법을 도입하지 않은 실험체의 염화물에 의한 철근방식효과를 비교 분석하였다. 실험에 사용된 음극전기방식은 비소모성 티타늄 양극망을 사용한 외부전원방식이며, 최근에 국내에서도 사용실적이 늘고 있는 리모트 모니터링 시스템을 적용하여 구조물의 유지관리상 연속성 있게 콘크리트내 철근의 방식정도를 확인할 수 있는지에 대해 검토하였다.

• Proceedings of the KIEE Conference
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• 2011.07a
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• pp.1447-1448
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• 2011

The CSPE cables are used for three years in nuclear power plant. The accelerated thermal aging of chloro sulfonate polyethylene(CSPE) jacket of test cables were carried out for the period equal to 10, 20 and 30 years in air at 90 and $100^{\circ}C$, respectively. The electrical volume resistivity, density, XPS, FE-SEM, EDS and XRF of the accelerated thermal aging of CSPE were measured. The validation of condition monitering method of accelerated thermal aging CSPE was estimated by them. The best validation of condition monitoring method of accelerated aging CSPE is electrical volume resistivity because change thermal of the specimen showed distinction.

• Journal of Fisheries and Marine Sciences Education
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• v.26 no.5
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• pp.1075-1082
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• 2014

Monthly Screening of Pacific oyster, Crassostrea gigas, was surveyed by PCR for Ostreid herpesvirus(OsHV-1) infections from 2012 to 2013 in Korea. It was showed positive results in one hatchery in April and May 2012 and in oyster farming areas from August to November in 2013. The obtained sequences showed 99.3~99.5% homology with OsHV-1 ${\mu}var$(Accession Number: HQ842610) and 96.2~96.3% homology with OsHV isolated from Korea(Accession Number: AY509253).