http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
鄭瑞鎬,朴弘用,趙勇範 明知大學校 産業技術硏究所 2008 産業技術硏究所論文集 Vol.27 No.-
When steel fiber reinforced concrete is used as an underground cavity or a lining of tunnel, the SFRC is subjected to loads which differ in type from those present in standard testing methods. This study is worthy of notice on this point. This study is aimed to investigate an experimental study on flexural-compression behavior of steel fiber reinforced concrete. When a combined bending moment-normal force loading is characteristic in such shells, it were aimed to construct a data for design under such conditions An experimental variables are steel fiber content, shape ratio, angle of end mill. Total 126 specimens using four different kinds of steel fiber products were evaluated from loading test. From the test results, it was known that a fracture occurred before reaching ε_(cu). A tensile strain was gauged 5‰ at that time. SFRC specimens occurred a tensile fracture, It was known that a location of neutral axis was not changed untill a crack occurred on specimens.
메타버스 기반 기술이 적용된 기기 활용의 어려움 및 개선점 분석
정서호(Seo-Ho Jung) 한국복합리조트포럼 2022 관광체육연구 Vol.1 No.2
Purpose: The purpose of this study is to examine the trends of the virtual reality and augmented reality-based industries in the disabled area through literature review, and to find out the actual and improvement points of metaverse technology utilization through in-depth interviews with persons with disabilities and leaders. Method: To this end, the subjects of this study were selected as the population leaders who had experience in using devices incorporating virtual and augmented reality-based technologies in two regions (Seoul and Chungnam), and subjects were selected through purposeful sampling. Six leaders were selected as subjects. The research procedure was conducted through literature review and in-depth interview. Interview data were transcribed and topics were categorized based on topic modeling through text mining algorithm. Results: The result is as follows. First, although metaverse-based technology is being tried in the sports field for the disabled, it is experiencing difficulties in overall operation in classes due to lack of experience in using new devices, non-cooperation and communication with related organizations, and lack of information. Second, the overall management was difficult because there were no teaching aids and equipment necessary for digital transformation, and education and support necessary for non-face-to-face classes. Third, equipment, educational support, and up-to-date instructional guidelines were suggested as points to improve on the difficulties in operating metaverse-based devices presented above. Conclusion: This study is meaningful in establishing a systematic system to efficiently utilize Metabus-based devices, presenting operating guidelines to city and provincial sports clubs, and suggesting ways to increase device utilization.
근감소증 노인을 위한 비대면 교육 방식의 신체-인지 이중과제 운동 프로그램 개발 과정: 실행연구 절차를 활용하여
정서호(Jung, Seo-Ho),서해인(Seo, Hae In),김지태(Kim, Ji Tae) 한국웰니스학회 2022 한국웰니스학회지 Vol.17 No.4
이 연구는 근감소증 노인을 위한 신체-인지 이중과제 운동 프로그램을 계획하고 적용한 후 반성하는 일련의 과정을 거치는 실행연구를 통하여 프로그램 개발 과정에서 도출되는 문제점과 개선과정을 탐구하는데 목적을 두고 있다. 연구대상자는 서울에 위치한 노인종합복지관에 다니고 있는 근감소증 노인 5명을 선정하였다. 이들을 위해 예비 프로그램을 2주간에 걸쳐 4차시 실시하였고, 최종 프로그램을 6주간에 걸쳐 12차시 동안 실행하였다. 연구자는 ‘계획-실행-관찰-반성’의 4가지 단계를 사이클화 하여 문제를 해결하려는 실행연구 모형을 적용하였다. 이 연구에서 자료 수집은 대상자 면담자료, 수업일지, 동영상자료를 통해 이루어졌으며, 얻어진 자료는 귀납적으로 범주화 하였다. 이 연구의 결과는 예비 프로그램과 최종 프로그램의 실행결과 및 반성을 토대로 하였으며, 요약하면 다음과 같다. 첫째, 예비 프로그램에서 연구 참여자들은 익숙하지 않은 비대면 활용에 대한 문제점을 다소 노출하였다. 둘째, 최종 프로그램에서 연구 참여자들은 비대면을 통한 신체-인지 이중과제 운동프로그램을 수행함에 있어 거의 모든 부분에 익숙함을 느꼈으나, 신체과제 동작과 인지과제 수행을 동시에 진행하며 난이도를 조절하는 것에 아직도 어려움이 있었다. 이 연구는 실행연구모형과 비대면 학습 방식을 통해 코로나와 같은 팬데믹 상황을 직접 적용한 현장연구로서 가치가 있다고 판단된다. The purpose of this study was to explore the problems and improvement points derived from the development process of a physical-cognitive dual task exercise program using untact education for the elderly with sarcopenia through an action research procedure. For the subjects of the study, 5 elderly with sarcopenia attending a general welfare center for the elderly in Gangseo-gu were selected, and the preliminary program was conducted for 4 sessions over 2 weeks, and the final program was implemented for 12 sessions over 6 weeks. The researcher applied to an action research model to solve the problem by cycling the four stages of plan-execution-observation-reflection. In this study, data collection was done through interview data, class log, and video data, and the obtained data were categorized inductively. The results of this study were based on the execution results and reflections of the preliminary and final programs, and the summary is as follows. First, in the preliminary program, the research participants exposed the problem of unfamiliar untact education use. Second, in the final program, the study participants felt familiar with almost all aspects of performing the physical-cognitive dual task exercise program through untact education, but it was still difficult to control the difficulty while simultaneously performing the physical task motion and cognitive control. This study is judged to be valuable as a field study that directly applied a pandemic situation such as Corona through an action research model and untact education method.
1D Divide-and-Conquer Sum Apart Multiplication의 고속 구현 및 성능 분석
정서호(Seo-Ho Jung),원동언(Dong-Eon Won),최정욱(Jungwook Choi) 대한전자공학회 2022 대한전자공학회 학술대회 Vol.2022 No.11
Recently, a multiplication method with reduced precision has been studied to efficiently process many computations required in deep learning. In this paper, 1D Divide-and-Conquer Sum Apart architecture among Precision Scalable Multiply-Accumulate (MAC) unit architecture was analyzed. Only the multiplication part was analyzed, and to improve the multiplication performance, it was designed to support the high-speed multiplication method and signed and unsigned data types. In addition, the hardware resource overhead that appears accordingly was analyzed.
COVID-19시대 비대면 교육 방식(UEM) 전환에 따른 수업운영의 어려움: 찾아가는 장애인생활체육지도자를 대상으로
정서호(Jung Seo-ho),김지태(Kim Ji-tae),김욱(Kim Uk) 한국사회체육학회 2021 한국사회체육학회지 Vol.- No.85
Purpose: The purpose of this study is to investigate the difficult points in class operation according to UEM transition for life-sports instructors who visit the disabled in the era of COVID-19. Method: The subjects were six Visiting physical education instructors for the disabled who were recommended by institutions in the top three regions (Seoul, Gyeonggi, and Chungnam) with high rates of use and satisfaction of the disabled people’s sports services. They were chosen through nomadic sampling. The investigation procedure was conducted through focus interviews. Results: The results of this study are as follows. 1) The Visiting sports service instructors for the UEM transition felt difficulties in overall class operation due to the lack of experience with the new method of class, noncooperation and lack of communication with related institutions, and lack of information about classes. 2) There were no teaching aids and equipment for UEM conversion and lack of pre-education for non-face-to-face classes, so it was difficult to manage classes. 3) As improvement points for the difficulties of class operation presented above, equipment and educational support, class guidelines, and manpower recruitment were suggested. Conclusion: In summary, it is meaningful in establishing a systematic system for UEM classes, presenting UEM operation guidelines for city and provincial athletic associations, and suggesting ways to improve the fitting of classes.