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전기설비 자산관리를 위한 이력관리 시스템 구축에 관한 연구
정상웅(Sang-Woong Jeong),김래현(Lae-Hyun Kim) 한국조명·전기설비학회 2019 조명·전기설비학회논문지 Vol.33 No.11
The purpose of this study is to provide an intelligent asset management system for economical and efficient maintenance of electrical facilities, At this time, a platform system was constructed to combine the hardware elements and the software elements and to predict the state health of future facilities based on the inspection results and historical data of the facilities. In order to make the data related to this data generation DB, the frame was designed to include all the inspection necessary facilities related to the “duty of electric safety manager (Ministry of Industry notification)”. We can use this to analyze the future management type (resident, agency, entrusted appointment), use purpose, period of use, installation place, etc. To this end, the platform has provided electrical equipment measurement elements and targets for ensuring safety of electrical equipment and provided basis for determining the decision-making priorities for maintenance such as replacement and repair through factor analysis of equipment . By establishing the proposed electrical equipment history management system, it is expected that quantified information will be obtained in the future and it will be possible to make decision based on the data.
정상웅(Jeong Sang-Wung),김재웅(Kim Jae-Woong),장길수(Jang Gil-Soo) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
The objective of the review is to introduce the evaluation method of welding joint designs by using forces extracted from FE models. This evaluation method is currently being used for the Southeastern Pennsylvania Transportation Authority (SEPTA) project in the United States by request of the customer Engineer. The evaluation method was applied to critical joints connected by Fillet or Partial Joint Penetration (PJP) welds in car body structure for SEPTA project. The additional manual analysis is required based on the fact that Technical Specification in the United States requires the Contractor to apply Complete Joint Penetration (CJP) welds to all structural connections in Car body. However, in the car body design for Septa project there are some areas where CJP welds are not applied due to structural and manufacturing problems.