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조영준(Youngjun Jo),안세영(Sea-young Ahn),남흥우(Heungwoo Nam),안순신(Sunshin An) 한국정보과학회 2010 한국정보과학회 학술발표논문집 Vol.37 No.1D
센서 네트워크는 여러 서비스 분야로 그 영역을 확장하여 발전하고 있다. 에너지 측면을 고려해야 하는 센서 네트워크의 위치 인식 기술 분야 역시 많은 발전을 하여 상용화 된 RF 칩을 선보이고 있다. 현재 RF를 이용한 센서 노드를 이용한 위치 인식은 정확도 측면에 취약성을 가지고 있지만 기술이 발전함에 따라 극복 될 것이다. 본 논문은 코디네이터 노드가 위치 인식 능력을 가지고 있다고 가정하고 그 정보를 이용하여 비컨 스케줄링 하여 센서 네트워크의 효율을 극대화 시키는 것이다.
린하이인(林海音) 문학 속 고향의식과 가정관 연구 - ≪재호동리장대(在胡同裡長大)≫와 ≪애정적산보(愛情的散步)≫를 중심으로
조영준 ( Jo Youngjun ),신춘란 ( Shen Chunlan ) 전북대학교 인문학연구소 2017 건지인문학 Vol.0 No.19
Lin Haiyin is one of the most influential writers in Taiwan in the 1950s to 1960s. She made a lot of contribution to the development of women`s literature in Taiwan and the cultural exchange between China and Taiwan. Lin Haiyin, who was born in Japan lived in Taiwan, the hometown of her parents in her childhood. After she had lived in Taiwan for a few years, she and her family left for China to escape from the Japanese colony at her father`s decision. She lived in Beijing for more than 20 years, and after Taiwan was liberated from Japanese ruling, she and her family returned to Taiwan. However, due to the political conflicts between Taiwan and China or the so-called “Cross-Strait relation”, she was unable to set her foot back in Beijing where she considered as her own hometown for a long time. Most of Lin Haiyin`s books are comprised of the author`s autobiographic novels, showing her own complex background of her youth and identity issue. Those characteristics are reflected in the books in a way that the main characters are portrayed to have confused identities being caught between China and Taiwan and as constantly longing and yearning for a return to Beijing. It also leads to an obsession with a stable space called `home` and for a complete form of a family that is comprised of `father-mother-child`. This study focuses on the alienation from which Lin Haiyin felt like an outsider when she had to live in an acutely hard period under the Japanese colonial ruling and also on her longing for and desire to return to Beijing or the hometown of her mind as she could not go back to Beijing due to the worsened Chinese and Taiwanese relation. This study analyzes her view of home through her obsessive pursuit of an intact form of a complete family with all modern family members, and her own concept of `home` which are reflected in her literature.
박푸른솔,이호준,조영준,구본승,최원준,변종민,Park, Pureunsol,Lee, Ho Joon,Jo, Youngjun,Gu, Bonseung,Choi, Won June,Byun, Jongmin 한국분말야금학회 2019 한국분말재료학회지 (KPMI) Vol.26 No.6
High-entropy alloys (HEAs) are generally defined as solid solutions containing at least 5 constituent elements with concentrations between 5 and 35 atomic percent without the formation of intermetallic compounds. Currently, HEAs receive great attention as promising candidate materials for extreme environments due to their potentially desirable properties that result from their unique structural properties. In this review paper, we aim to introduce HEAs and explain their properties and related research by classifying them into three main categories, namely, mechanical properties, thermal properties, and electrochemical properties. Due to the high demand for structural materials in extreme environments, the mechanical properties of HEAs including strength, hardness, ductility, fatigue, and wear resistance are mainly described. Thermal and electrochemical properties, essential for the application of these alloys as structural materials, are also described.
안전보건교육에 따른 고령 근로자의 사고자 및 질병자 수 분석
정주환(Juhwan Jeong),조영준(Youngjun Jo),정해수(Haesu Jeong),조교영(Gyo-Young Cho) 한국데이터정보과학회 2020 한국데이터정보과학회지 Vol.31 No.6
본 연구는 2018년 9차 산업안전보건 실태조사 자료를 이용하여 제조업, 7대 산업, 그리고 건설업사업장에서 실시하는 안전보건교육과 고령 근로자의 산업재해 발생을 분석하였다. 포아송 회귀분석을 이용하여 안전보건교육이 고령근로자의 산업재해 발생에 미치는 영향을 연구하였다. 이 과정에서 이상치로 추정되는 사업장은 제외하였다. 분석 결과 각 업종별로 유의한 안전보건교육이 다르게 나타났다. 제조업에서는 고령 근로자들을 위한 별도의 안전 프로그램 항복, 7대 산업에서는 채용 시 집체교육 항목, 건설업 분야에서는 관리 감독자 교육, 작업 변경 시 교육, 고령 근로자를 위한 프로그램 항목이 유의한 p-값을 가졌다. 또한 모든 안전보건교육 시간이 증가함에 따라 고령 근로자 산업재해 발생 수가 감소하지 않았으며 증가하는 경우도 나타났다. 본 연구결과가 업종별 안전보건교육에 따른 고령근로자 산업재해 발생 감소에 활용되길 기대한다. This study analyzed safety and health education conducted in manufacturing, seven major industries, construction sites and the occurrence of industrial accidents of elderly workers by using the 9th industrial safety and health survey data in 2018. Using Poisson regression analysis, the effects of safety and health education on the occurrence of industrial accidents of older workers were studied. In this process, businesses assumed to be abnormal were excluded. The analysis showed that significant safety and health education were different for each industry. Separate safety program items for older workers in manufacturing, collective education items for recruitment in the seven major industries, management supervisor education in the construction sector, education for job changes, and program items for older workers were statistically significant. In addition, the increase in all hours of health and safety education would not reduce the number of elderly workers’ industrial accidents and would increase in some cases. It is hoped that the results of this study will be used to reduce the occurrence of industrial accidents for elderly workers due to safety and health education in the industry.
회복탄력성을 고려한 기상 시나리오별 가뭄 용수 공급방안: 나주호를 중심으로
박진현 ( Park Jinhyun ),고재한 ( Go Jeahan ),조영준 ( Jo Youngjun ),정경훈 ( Jung Kyunghun ),성무홍 ( Sung Muhong ),정형모 ( Jung Hyoungmo ),박현규 ( Park Hyunkyu ),유승환 ( Yoo Seunghwan ),윤광식 ( Yoon Kwangsik ) 한국농공학회 2018 한국농공학회논문집 Vol.60 No.5
Resilience has been widely used in various fields including design and operation of infrastructures. The resilient infrastructures not only reduce the damage scale of various disasters but also reduce the time and cost required for restoration. However, resilience rarely applied to promote efficient management of agricultural infrastructures. Recently, drought is an aggravating disaster by climate change and need countermeasures. Therefore, we tried to demonstrate evaluating measures in case of drought under consideration of resilience. This study applied the robustness-cost index (RCI) to evaluate alternative solution of the supply problem of a large agricultural reservoir under drought conditions. Four structural alternatives were selected to estimate the robustness index (RI) and the cost index (CI) to obtain the RCI values. Structural alternatives are classified into temporary measures and permanent measures. Temporary measures include the development of a tube wells and the installation of the portable pump, while the permanent measures include the installation of a pumping stations and the pumping water to the reservoir (Yeongsan River-Naju reservoir). RCI values were higher in permanent measures than those of temporary measures. Initial storage of the reservoir also affected RCI values of the drought measures. Permanent measures installation and management of early stage of the reservoir storage shortage was identified as the most resilient system.