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Plossom : Spring Boot를 활용한 웹 기반 프로젝트 관리 시스템
이한성,조보현,김희중,신지영,이형우,Lee, Han Seong,Jo, Bo Hyun,Kim, Hui Jung,Shin, Ji Yeong,Lee, Hyung-Woo 한국사물인터넷학회 2016 한국사물인터넷학회 논문지 Vol.2 No.3
본 논문에서는 편리하고 효율적인 프로젝트를 관리하기 위한 웹 응용 시스템인 Plossom을 개발하였다. Plossom의 개발은 HTML과 Bootstrap 프레임 워크를 이용하여 웹페이지를 구성하였으며, JQuery를 이용하여 웹페이지에 맞는 알고리즘을 사용해 로직을 구축하였고, Spring의 Thymeleaf와 MySQL을 활용하여 프로젝트 정보를 외부 시스템과 연동하여 체계적인 관리를 할 수 있도록 하였다. 본 연구에서 개발한 Plossom 통합 프로젝트 관리 시스템을 이용할 경우 IoT 및 ICT 관련 프로젝트에 대한 개발 과정에 매우 유용하게 활용할 수 있을 것으로 기대된다. In this paper, we developed web based Plossom system, an efficient and convenient project management system. The development of Plossom consists of a web page using HTML and Bootstrap framework, and the logic is built using the algorithm suitable for web page by using JQuery. Additionally, Plossom is implemented to support interoperability with external system by using Spring's Thymeleaf and MySQL efficiently. The Plossom system developed in this study is expected to be very useful in the development process of IOT and ICT related projects.
국 · 내외 도시철도 운임제도 분석을 통한 수익 증대 방안
이한성(Han-Seong Lee),김하나(Ha-Na Kim),신소영(So-Young Shin),박정수(Jung-Soo Park) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
The Railroad that is representative transportation of Low Coal and Green Growth is industry that meet and serve unspecificness many customer unexpensive price as industry doing against as social overhead capital. Present our country railroad achievement is real condition that is not coming out in eternal in the red management. Accordingly, In this research, analyze success factor of management black-ink balance of railroad advanced nation such as Japan, France and Compare with our country and grasps problem of present city railroad fare system. Finally, alleviate fare burden of customer through diversification of fare system service such as establishing point uniformly for railroad fare that introduce first in Japan JR Kyushu railroad and propose the improvement of management of railway operation organization through demand enlargement.
신재생 에너지 전원을 고려한 배전선로 고장구간 판단 기법
이한성(Han-Seong Lee),전철우(Cheol-Woo Jeon),김영국(Young-Kook Kim),임성일(Seong-Il Lim) 대한전기학회 2014 전기학회논문지 Vol.63 No.10
Faulted section identification is one of the most important function in distribution automation systems. Conventional over current detection based fault indicators frequently mal-operate due to the reverse fault current from the renewable energy resources. This paper present a new faulted section identification method based on the fuzzy decision making technique. In order to establish feasibility of the proposed method, case studies using Matlab Simulink has been performed.
이한성(Han-Seong Lee) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.11
Organic EL has been expected to adopt to a new styles of technology that make flat display after Tang & Vanslyke made good electric luminescence device in late 1980s. Their studies based on multi layer structure that consists of emitting layer and carrier transporting layer using proper organic material. But oxidization of organic layer by ITO, energy walls in both pole interface, contaminations of ITO surface, importance of protecting membrane, diffusive dimming of light to cathode organic layer, these causes of degradations are common facts of a macromolecule and micro molecule. We think these degradation caused by the impact of heat and electro-chemical factor, bulk effect and interface phenomenon, and raise a question.
이한성(Han-Seong Lee) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.11
Organic EL has been expected to adopt to a new styles of technology that make flat display after Tang & Vanslyke made good electric luminescence device in late 1980s. Their studies based on multi layer structure that consists of emitting layer and carrier transporting layer using proper organic material. In this study, we made multi layer device using Eu(TTA)₃(phen) as a luminescence material by PVD and investigate luminous properties of each device. But oxidization of organic layer by ITO, energy walls in both pole interface, contaminations of ITO surface, importance of protecting membrane, diffusive dimming of light to cathode organic layer, these causes of degradations are common facts of a macromolecule and micromolecule. We think these degradation caused by the impact of heat and electro-chemical factor, bulk effect and interface phenomenon. and raise a question.
도판트를 이용한 적색 유기 발광 다이오드의 제작 및 특성 연구
이한성(Han-Seong Lee) 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.10
본 연구에서 새로 합성한 적색 도판트 Red-1을 Physical vapor Deposition (PVD) 법을 이용하여 다층구조의 유기 발광 다이오드를 제작하였다. 적층된 유기물 층으로 정공주입층은 4,4',4"-tri [2-naphthyl (phenyl) amino]triphenylamine(2-TN ATA)정공 수송층으로4-4bis[N-(1-napthyl-N-phenyl-amino)biphenyl] (NPB)를 사용하였으며, 전자 수송층은 tris (8-quinolinolato)-aluminum)(Alq₃), 발광층에서의 host 재료로 사용한 물질은 Alq₃, 4,4'-N-N'-dicarba zole-biphenyl(CBP), 게스트재료는 Red-1, 정공 저지층으로 2,9-dimethyl-4, 7-diphenyl -1. 10-phenantroline (BCP), 전자 주입 층으로는 lithium-quinolate (Liq)를 사용하여 보다 향상된 전기적 , 발광특성을 보이는 소자를 제작하였다. 전하를 주입하는 전극으로 일함수가 큰 투명전극인 ITO (indium-tin-oxide)를 양전극으로, Al을 음전극으로 사용하였다. 그리하여, 발광층 내에서의 host재료 Alq₃와 CBP와의 energy transfer의 관점에서 그 특성을 연구하였다.
오성현(Seong-Hyeon Oh),이한성(Han-Seong Lee),김영국(Young-Kook Kim),임성일(Seong-Il Lim) 한국조명·전기설비학회 2015 조명·전기설비학회논문지 Vol.29 No.2
Power supplying capacity of the distribution feeder should be maintained within thermal capacity of the wire. This paper presents the minimum spanning tree based load balancing technique to release multiple overloading of distribution feeders. In order to minimize number of involved backup feeders, Dijkstra and Prim algorithm are adopted to construct minimum spanning tree. Simulation testing result based on part of KEPCO’s commercial distribution systems shows effectiveness of proposed scheme.