• 한국산업정보학회논문지
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• 제17권7호
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• pp.101-110
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• 2012

These days, the environment of IT development goes through converging with various industries and technologies. Also, it accelerates to pioneer new markets and develop new technologies. This trend becomes one of the most important factors to explore new national growth engines in Korea. Thus, this research examines current trends of IT convergence in Korea. The strategic characteristics of IT convergence in overseas are briefly explained for comparing purpose. The governmental strategies or efforts regarding the IT convergence have been surveyed. Some example convergences of LG, Samsung, and POSCO as major IT industries in Korea have been introduced. It also identifies several buzz concepts in this field. The study aims to provide an insight about the activities that are happening in the field of IT convergence in Korea. Finally, the findings through the research have been summarized.

• 한국산업융합학회 논문집
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• 제22권5호
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• pp.475-481
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• 2019

The paradigm of convergence R&D is shifting from the convergence of technologies to the convergence of solutions to solve the complex problems of scientific and social development. On the other hand, it is prevalent that there is a lack of convergence in our research field. Although Korea has invested heavily in fusion research and development, Korea has mainly focused on the application and development of technology, so failed to plan convergence R&D in line with the new paradigm. Therefore, in this study, we searched for convergence R&D area that is being done to solve social problems, and tried to make use of data-driven objective methods. For this purpose, we used the investment information of global R&D projects that had no retrospective properties and derived the convergence R&D area related to coastal flooding.

• 한국융합학회논문지
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• 제10권3호
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• pp.185-192
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• 2019

고분자 소재는 생활용품 등은 물론 자동차, 우주항공, 에너지, IT산업 등 다양한 분야에 광범위하게 이용된다. 이러한 고분자 소재의 지속적 혁신을 위해 고분자 기술의 융합에 대한 관심은 높지만, 융합 동향에 대한 분석은 제한적이었다. 이에 본 논문에서는 특허 정보를 활용하여 주요 국가별 고분자 소재의 기술융합 형태와 기술수준을 분석하고자 하였다. 이를 위해 공개 등록 기준으로 2004년부터 2014년까지의 PCT를 수집하여 동시분류분석을 실시하였다. 연구 결과 일본과 한국은 기술의 분야를 넘어서는 대분류(섹션) 수준의 융합이 더 많은 반면, 미국과 유럽은 화학분야 내에서 중분류(Field) 수준의 융합이 더 많이 나타나고 있다. 그리고 특허활동력, 특허경쟁력, 특허영향력으로 살펴본 질적 측면에서는 한국 융합기술이 다른 나라에 비해 미흡한 것으로 나타났다.

• ETRI Journal
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• 제31권4호
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• pp.466-468
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• 2009

In this letter, we propose a one-way ranging algorithm that is based on wireless synchronization with measured timestamps and clock frequency offsets. In our proposed algorithm, an active mobile node initiates a ranging procedure by transmitting a ranging frame, and the anchor nodes report their timestamps for the received ranging frame to a reference anchor node. The synchronization of a pair of nodes is provided with instantaneous time information, and the corresponding difference of distances can be calculated.

• 디지털융복합연구
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• 제11권11호
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• pp.429-434
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• 2013

2011년 정부에서는 "IT 융합 기술예측조사 2025"를 발표하였다. 본 조사보고서는 10개 ICT 산업군을 대상으로 하였다. 디지털이라는 단어와 결합된 컨버전스는 정보통신 분야의 단위기술들의 융합을 통해 등장하는 새로운 제품이나 서비스를 일컫고 있다. 이러한 컨버전스 기술의 파급효과 및 컨버전스 사회의 현상들은 이미 경제, 사회, 문화등 사회의 전 부분에서 가시화되고 있다. 본 연구에서는 10개 ICT 산업군 중에서 우리 생활과 밀접하게 연관되어 있는 4개 산업군(IT-건설, IT-자동차, IT-섬유, IT-의료)에 대한 컨버전스 관련 내용들의 필요한 기술현황 및 전망 등을 기술하였다.

• ETRI Journal
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• 제36권1호
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• pp.141-150
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• 2014

A fully integrated CMOS security-enhanced passive (SEP) tag that compensates the security weakness of ISO/IEC 18000-6C is presented in this paper. For this purpose, we propose a security-enhanced protocol that provides mutual authentication between tag and reader. We show that the proposed protocol meets the security demands of the ongoing international standard for RFID secure systems, ISO/IEC 29167-6. This paper fabricates the SEP tag with a 0.18-${\mu}m$ CMOS technology and suggests the optimal operating frequency of the CMOS SEP tag to comply with ISO/IEC 18000-6C. Furthermore, we measure the SEP tag under a wireless environment. The measured results show that communications between the SEP tag and reader are successfully executed in both conventional passive and SEP modes, which follow ISO/IEC 18000-6C and the proposed security enhanced protocol, respectively. In particular, this paper shows that the SEP tag satisfies the timing link requirement specified in ISO/IEC 18000-6C.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제17권8호
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• pp.2292-2313
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• 2023

With improving computing performance, various digital platforms are being developed to enable easily utilization of high-performance computing environments. EDISON 1.0 is an online simulation platform widely used in computational science and engineering education. As the research paradigm changes, the demand for developing the EDISON 1.0 platform centered on simulation into the EDISON 2.0 platform centered on data and artificial intelligence is growing. Herein, a data framework, a core module for data-centric research on EDISON 2.0 digital platform, is proposed. The proposed data framework provides the following three functions. First, it provides a data repository suitable for the data lifecycle to increase research reproducibility. Second, it provides a new data model that can integrate, manage, search, and utilize heterogeneous data to support a data-driven interdisciplinary convergence research environment. Finally, it provides an exploratory data analysis (EDA) service and data enrichment using an AI model, both developed to strengthen data reliability and maximize the efficiency and effectiveness of research endeavors. Using the EDISON 2.0 data framework, researchers can conduct interdisciplinary convergence research using heterogeneous data and easily perform data pre-processing through the web-based UI. Further, it presents the opportunity to leverage the derived data obtained through AI technology to gain insights and create new research topics.

• 접착 및 계면
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• 제20권1호
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• pp.9-14
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• 2019

이 논문에서는 항공용 전도성 페인트에 들어가는 3가지 첨가제가 공기 및 질소 조건에 노출 되었을 때의 변화를 관찰하였다. 3가지 첨가제를 바이알병에 담았고 공기조건 및 질소조건에 각 일수에 따라 보관하였다. 각 일수에 보관하면서 3가지 첨가제 질량의 변화를 파악하였다. 또한, 각기 다른 대기조건에서의 화학적 변화를 보기 위해 적외선 분광기가 사용되었다. 더 나아가 질소조건 보관 후 페인트의 성능을 확인하기 위해 도장 후 도장부착력 실험을 하였다. 시약 A와 시약 B의 경우는 질소보관 후 질량의 감소 정도가 더 작은데 반해 시약 C의 경우는 질소보관 후 질량 감소 정도가 더 큰 것을 확인하였다. 특히, 시약 B의 경우는 공기 노출 시 경화가 되는 현상을 발견하였고 적외선 분광분석 시 아이소시아네이트기 피크인 $2250cm^{-1}$의 크기가 감소함을 확인하였는데, 질소조건에서 경화정도가 늦어짐을 확인하였다. 이는, 공기 중에 있는 수분이 아이소시아네이트기의 반응을 촉진시키는데, 질소조건으로 치환하면서 반응을 지연시켰다.

• 한국전기전자재료학회논문지
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• 제25권8호
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• pp.657-663
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• 2012

The spherical mesoporous silica is synthesized and incorporated with CdSe/ZnS quantum dots(QDs) for preparing micro beads to detect toxic and bio-materials with high sensitivity. The spherical silica beads with the brunauer-emmett-telle(BET) average pore size of 15 nm were prepared with a ratio 1, 3, 5-trimethylbenzen, as a swelling agent, to the block-copolymer template surfactant of over 1 and under vigorous mixing condition. The surface of spherical mesoporous silica is modified using octadecylsilane for incorporating QDs. Based on photoluminescence(PL) spectra, the relative brightness of mesoporous silica beads incorporated with 10 nM of QDs is 79,000 times brighter than that of Rodamine 6 G.

• 한국세라믹학회지
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• 제47권2호
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• pp.189-194
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• 2010

Compared with organic fluorophores, semiconductor quantum dots (QDs) have the better properties such as photostability, narrow emission spectra coupled to tunable photoluminescent emissions and exceptional resistance to both photo bleaching and chemical degradation. In this work, CdSe/ZnS QDs nanobeads were prepared by the incorporation of CdSe/ZnS QDs with mesoporous silica to use as the optical probe for detecting toxic and bio- materials with high sensitivity, CdSe/ZnS core/shell QDs were synthesized from the precursors such as CdO and zinc stearate with the lower toxicity than pyrotic precursors. The QD-nanobeads were characterized by transmission electron microscopy, FL microscopy, UV-Vis and PL spectroscopy, respectively.