• 한국측량학회지
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• 제24권1호
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• pp.73-78
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• 2006

청주시는 수질오염 방지와 주변 환경보존을 위하여 하수도시설의 체계적인 파악, 효과적인 유지관리, 기존 하수도시설의 개선 등을 목적으로 하수도정비기본계획을 수립하여 시행하고 있다. 지난 5년간의 통계자료를 보면 신설 사업은 매년 전체 시설연장의 약 6%, 개보수 사업은 약 1.5% 정도의 공사가 이루어지고 있는 실정이다. 본 연구는 하수도공사관리시스템을 개발하여 매년 많은 공사가 이루어지고 있는 하수도 공사의 각종 자료관리와 공사비관리, 설계도면 및 사진영상 관리, 공사이력 관리 등 하수도시설을 효율적 관리할 수 있도록 하므로써 하수도 공사의 효용성 및 신뢰성, 그리고 대민 서비스 향상 등을 이루도록 하였다.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2011년도 춘계학술대회 논문집
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• pp.733-739
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• 2011

B2S(Ballasted track To Slab track) that is track system has been first developed in 2004 with foundation of rich experience and know-how of subway track upkeep and mending of facilities in 36 years to improve an existence pebble track at a concrete track. 'B2S' is admitted technology through patent registration in the domestic and Europe and it's made by a factory and put together at field, so it's able to construct precisely and to reduce a construction period. In addition, safety, the ecological balance and durability are excellent, and walking, cleaning, etc. has the advantage of easy maintenance. 'B2S' is currently laying 27.7km at Seoulmetro as of end of 2010 standard, but it'll be expected to be applied to a domestic Metro more from now on. It is possible to classify the total cost resolution structure of B2S system by R&D cost, test production and experiment cost, the initial facility cost, maintenance cost, disposal cost. In this research, it seems useful for selection evaluation which considered the life cycle cost or economics of the concrete track structure by analyzing an initial cost of facilities.

• 한국멀티미디어학회논문지
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• 제23권10호
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• pp.1307-1317
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• 2020

In recent years, the PV plant is gradually increasing in korea and has begun to focus on PV system O&M(Operation and Management). The legacy PV system can hardly be gathering realtime information. That is why it is difficult for the facility to respond immediately to situations in which problems arise. This leads to economic losses due to reduced power generation. In this study, we implemented an RMC(Remote Maintenance Control) gateway that supports multi-area equipment(inverters, junction boxes, switchboards, environmental sensors) that are not limited to specific manufacturers. It provides a function to visualize the collected data. Users can easily check the power generation and operation status of PV system equipment. In the future, we will develop an algorithm capable of analyzing beta factors that cause equipment performance degradation, parts aging, and deterioration using data collected from facilities. We intend to use this algorithm as a fundamental technology for O&M by transplanting it to the RMC gateway.

• International Journal of Internet, Broadcasting and Communication
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• 제7권2호
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• pp.109-112
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• 2015

The Korean electric railway is growing rapidly such as speed of 300km/h in high speed section and 230km/h in the conventional railway section. But, power supply failure occurs because of loss of contact, defective catenary system and high speed vehicle. Therefore preventive maintenance way based reliability has been applied. Typical example is the facility inspection method using trolley inspection system. But it is required differentiated inspection method to prevent problem such as inspection errors. In this paper, a study on the trolley sliding condition inspection system using monitoring techniques is performed for performance enhancement of inspection system. It proposed the efficient maintenance method through monitoring the deviation and height of contact wire after installing inspection system on the top of train which operates in the metropolitan area. Inspection errors were decreased by virtually monitoring the video of faulty facilities. Also those facilities were identified through the impact sound analysis and tests at the main catenary section.

• 전기학회논문지
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• 제65권4호
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• pp.695-703
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• 2016

The maintenance method for the electrical facility of high speed railway has been evolved from inspection by personnel to the automated way by the detection devices. In particular, the signalling equipment in order to increase the safe and efficient operation of the trains is required to maintain normal operation by periodic maintenance. Because the return current gives the most important effects to the wayside equipment in case of the failures, a method is needed to measure the unbalanced rate of return current on the train at high speed driving. The Hot Box Detector(HBD) device that is installed at track-side has a function to recognize the abnormal axle box by detecting the temperature that occurs in the axle of train passing over its device. In order to implement the measurement equipment for unbalanced rate of return current and axle temperature, the design method is proposed and the experimental test results by test bed are included in the paper.

• 농촌계획
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• 제21권4호
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• pp.55-63
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• 2015

This study aims to assess Green-Tourism accessibility of Rural Experience Village and then prepare improvement methods. To do this study, we surveyed 25 operators of Rural Experience Village in Chungbuk. We used 21 issues in all for analysis and the following shows a summary of major results. Rural Experience Village has a generally hard time conducting facility maintenance. Countermeasures for maintenance are required to run smoothly. Since Rural Experience Village has difficulty attracting visitors to the village, countermeasures are needed to attract visitors through business promotion. The results of assessing Green-Tourism accessibility showed us that some villages are a lot more accessible than others. Therefore, it is necessary that there should be improvements of Green-Tourism accessibility by attracting visitors and increasing operating days so that Green-tourism accessibility can be enhanced. In spite of its high level of accessibility since Rural Experience Village belonging to Goesan has low profitability, it is especially imperative that we establish more positive project promotion to cover it.

• 한국측량학회지
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• 제16권2호
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• pp.169-176
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• 1998

최근 급속한 사회발전과 지역간의 인적ㆍ물적 교류의 증가로 교통량이 급증하고 있으며, 이로 인해 기존 도로에 대한 유지 및 관리의 중요성이 크게 대두되고 있다. 따라서 본 연구는 일반국도를 대상으로 과학적이고 효율적인 도로의 유지, 관리업무를 위한 시범적인 도로종합정보관리 시스템을 구축하는데 목적이 있다. 지형공간정보체계를 이용하여 기존 도로에 대한 도면 및 대장과 조서상의 각종 정보를 수치화 및 데이터베이스화함으로서, 도면의 자동화는 물론 도로 제반 시설물의 검색, 갱신 및 통계분석 기능을 통해 도로의 유지보수 및 관리 업무시 신속하고 정확한 정보를 제공할 수 있도록 하였다.

• 조명전기설비학회논문지
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• 제12권3호
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• pp.124-131
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• 1998

본 논문에서는 건축물의 수배전설비에서 발생하는 경보를 신경 회로망과 고장 진단 지식베이스를 적용하여 감시의 효율을 향상시킬 수 있는 방안을 제시하였다. 제안된 경보 처리시스템은 역전파 알고리즘의 누가 역전파 알고리즘을 이용하여 다중 경보 발생에서 최소 경보요소를 추출하는데 사용하고 추출된 경보는 사전에 정의된 고장진단 지식베이스를 이용하여 셜비 유지보수 정보를 화면에 전개하도록 구성하였다. 제안된 감시기법의 유용 성을 확인하기 위하여 5가지의 가상 시나리오를 통해서 신경 회로망의 적용 가능성을 확인할 수 있었으며, 비전문가라도 설비의 유지관리 업무가 가능하도록 개발되었다.

• 한국항만경제학회지
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• 제18권1호
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• pp.61-83
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• 2002

Korea has designated 28 trade ports and 22 coastal ports under the Ports Act. If fishery ports and small inlets are counted, the number amounts to hundreds of ports. However, untimely and inefficient maintenance and repair works face Korean ports with functional loss, decreasing efficiency, and even catastrophe. Thus, further examinations on the maintenance or redevelopment of forts in Korea are urgent. Since the Korean War and the higher economic growth period in the 1970s, Busan Port has developed in a variety of ways, according to the necessity of social conditions at any given time, without any development Philosophy or systematic long-term master plan. As a result, ports and coastal industrial facilities have rushed to gather around the present North Busan Port, which has taken on mixed functions between ports and cities, adversely affecting several of their interactions. To resolve these circumstances, several redevelopment schemes were suggested for centering the old zone in the Busan Port interim. However, comprehensive evaluation and redevelopment schemes combining functions of both ports and cities, and effectively utilizing coastal zones have never been presented. In this respect, this study sets the priority order of the extracted unit project. This study analyzes the existing functions and facilities of Busan Port, extracting facility zones through redevelopment which is certain to fail or to decrease in efficiency. furthermore, this study presents status and development directions of specified redevelopment unit projects of higher priority order, and pursues the integrated plan of efficiency for Busan Port.

• 대한설비공학회:학술대회논문집
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• 대한설비공학회 2008년도 하계학술발표대회 논문집
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• pp.48-53
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• 2008

The performances of the building service equipment relay on the individual superintendent's share for the assessment of performance, fault detection, deterioration diagnosis of the building service equipment. A major use of building energy management system(BEMS) is for monitoring plant and building's energy consumption. National building management system (N-BMS) presented in this study links buildings into a network group in order to monitor and control the buildings. How to construct the N-BMS was considered to save energy resource and to conserve performance of building service equipment. The FEMIS, facility, energy/environmental management & information system, for building service offer management process integrated with BAS, FMS and EMS and so on.