• Proceedings of the Korean Radioactive Waste Society Conference
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• 2003.11a
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• pp.388-394
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• 2003

To handle the high level radioactive materials such a spent fuel, the master-slave manipulators (MSM) are widely used as a remote handling device in nuclear facilities such as the hot cell with sealed and shielded space. In this paper, the Digital Mockup which simulates the remote operation of the Advanced Conditioning Process(ACP) is developed. Also, the workspace and the motion of the slave manipulator, as well as, the remote operation task should be analyzed. The process equipment of ACP and Maintenance/Handling Device are drawn in 3D CAD models using IGRIP. Modeling device of manipulator is assigned with various mobile attributes such as a relative position, kinematics constraints, and a range of mobility, The 3D graphic simulator using the external input device of space ball displays the movement of manipulator. To connect the external input device to the graphic simulator, the interface program of external input device with 6 DOF is deigned using the Low Level Tele-operation Interface(LLTI). The experimental result shows that the developed simulation system gives much-improved human interface characteristics and shows satisfactory response characteristics in terms of synchronization speed. This should be useful for the development of work's education system in the virtual environment.

• Journal of Digital Contents Society
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• v.5 no.1
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• pp.22-27
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• 2004

To handle the high level radioactive materials such a spent fuel, the master-slave manipulaters (MSM) are wide1y used as a remote handling device in nuclear facilities such as the hot cell with sealed and shielded space. In this paper, the Digital Mockup which simulates the remote operation of the Advanced Conditioning Process(ACP) is developed. Also, the workspace and the motion of the slave manipulator, as well as, the remote operation task should be analyzed. The process equipment of ACP and Maintenance/Handling Device are drawn in 3D CAD model using IGRIP. Modeling device of manipulator is assigned with various mobile attributes such as a relative position, kinematics constraints, and a range of mobility. The 3D graphic simulator using the extermal input device of spare ball displays the movement of manipulator. To connect the exterral input device to the graphic simulator, the interface program of external input device with 6 DOF is deigned using the Low Level Tele-operation Interface(LLTI). The experimental result show that the developed simulation system gives much-improved human interface characteristics and shows satisfactory reponse characteristics in terms of synchronization speed. This should be useful for the development of work`s education system in the environment.

• The KIPS Transactions:PartA
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• v.12A no.6 s.96
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• pp.539-546
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• 2005

Recently, as the number of Internet users are growing explosively, e-learning has been applied spread, as well as remote evaluation of intellectual capacity However, only the multiple choice and/or the objective tests have been applied to the e-learning, because of difficulty of natural language processing. For the intelligent marking of short-essay typed answer papers with rapidness and fairness, this work utilize heterogenous linguistic knowledges. Firstly, we construct the semantic kernel from un tagged corpus. Then the answer papers of students and instructors are transformed into the vector form. Finally, we evaluate the similarity between the papers by using the semantic kernel and decide whether the answer paper is correct or not, based on the similarity values. For the construction of the semantic kernel, we used latent semantic analysis based on the vector space model. Further we try to reduce the problem of information shortage, by integrating Korean Word Net. For the construction of the semantic kernel we collected 38,727 newspaper articles and extracted 75,175 indexed terms. In the experiment, about 0.894 correlation coefficient value, between the marking results from this system and the human instructors, was acquired.

• Journal of the Korea Society of Computer and Information
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• v.13 no.6
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• pp.69-76
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• 2008

The biggest strength of the Internet is to enable to access information without any limitation of time and space. As the Internet and IT technologies have been developed, various kinds of teaching ways in education field such as remote lectures, video lectures, and CAI(Computer Adapted Instruction) have emerged. In terms of education, evaluation can be a basic foundation to help teach students in the next learning stage according to each student's level. In addition, it is able to give the information of students'abilities and provides proper learning programs to teach students on a case-by-case basis. The purpose of the paper is to establish evaluation system on the WWW(World Wide Web) that can reflect learning activities part of students in their evaluation scores based on the two important learning theories, Behaviorism and constructivism, which are mainly used in evaluation procedures to judge learning ability of students. This system will give information about learners, and analyze the learning interest of learners. The proposed system enables teachers to evaluate learning ability of students through various kinds of information of learners, and to execute level-based education.

• Proceedings of The KACE
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• 2017.08a
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• pp.197-199
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• 2017

재난 상황이나 우주 공간과 같은 환경에서는 인간이 직접 작업을 수행하기가 매우 어렵다. 따라서 이러한 환경에서 인명 구조나 탐사 등을 진행할 때에는 원격으로 제어가능한 로봇을 활용하는 것이 효과적이다. 특히 이 로봇이 인간의 움직임을 실시간으로 모방한다면 직관적이고 순발력 있는 제어가 가능해진다. 본 연구에서는 키넥트 센서를 이용해 인간의 움직임을 인식하고 이 움직임을 모방하는 로봇핸드와 로봇암을 구현하였다. 하드웨어는 TETRIX와 EV3 플랫폼을 이용하여 설계하였고, 소프트웨어는 C# 기반의 KINECT for Windows SDK와 Visual Studio 2015로 구현하였다. 본 연구에서 구현한 시스템은 재난 현장에서의 인명 구조, 복구 상황에서와 우주 공간에서의 탐사 상황에서 유용하게 사용될 수 있을 것이다.

• Journal of the Korea Computer Industry Society
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• v.5 no.9
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• pp.947-958
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• 2004

In this paper, various platforms are designed, where instructors and students can communicate each other to educate, ask and answer the questions interactivel under the WEB 3-based remote real-time instrurtions. The proposed system maximizes involvements among the students, instrurtors and administrators, which facilitate the understanding and progressive developments of the lessons and tasks to be performed. In the proposed education system, the instructors work as overseers for the study and the students benefit from comparative learning and pattern design. Also, the advantages of WBI are maximized, and the common factors among the mutual components are extracted and reused to avoid the confusion for the students. The advantages of the components are maximized and applied to the proposed system.

• Proceedings of the Korean Information Science Society Conference
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• 2007.06c
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• pp.209-212
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• 2007

E-Learning 혹은 원격 강의 환경에서 아바타 애니메이션과 annotation을 이용한 강의 컨텐츠를 제작 하는 것은 많은 시간과 비용을 요구한다. 본 논문에서는 웹 환경에서 아바타 애니메이션과 디지털 잉크(Digital ink) 기능을 지원하는 강의 컨텐츠를 디자인하고 공유하기 위한 아바타 기반 Annotation(Avatar Augmented Annotation), 즉 AAA 인터페이스 기법을 제안한다. AAA를 이용하여 강사는 복잡한 프로그래밍 언어나 스크립트를 사용하지 않고도 필기형식의 펜 입력을 통해 애니메이션과 Annotation이 복합된 강의 컨텐츠를 디자인 할 수 있다. 입력된 정보는 AAA를 통하여 XML 형식의 스크립트로 표현되고 이것은 강의 컨텐츠에 적용되어 아바타와 Annotation이 결합된 생동감있는 컨텐츠를 만들어낸다. 실험을 통하여 AAA 시스템은 기존의 온라인 교육 컨텐츠에 비해 교육적으로 효과적임을 알 수 있었다.

• The Science & Technology
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• v.34 no.7 s.386
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• pp.43-71
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• 2001

21C인터넷 세계 - 네티즌 인구 5억 육박, 삶의 모습 큰 변혁/인터넷과 정치 - 의정활동 자료 공유 전자민주시대 열어, 원스톱ㆍ논스톱 행정서비스 시대적 사명/인터넷과 경제 - 전자상거래 매년 배 성장, 기업간 75% 차지/인터넷과 교육 - 미국 대학 54%가 원격강의시스템 운영, 한국 학사과정 9개 사이버대학 문 열어/인터넷과 과학기술 - 정보수집 속도 빨라 첨단기술 발전 가속, 국제 공동연구 촉진ㆍ교육 발전에도 공헌/인터넷과 문화 - 익명성ㆍ고립성 등 가장 대중문화 속성 커, 가상현실 실제 문화 서비스 상품화해야/인터넷 윤리와 범죄 - 도박ㆍ매춘ㆍ스토킹ㆍ명예회손 등 유형 다양, 신원 확인수단 미비 국경넘은 범죄 확산/인터넷 화제 - 세계 곳곳 어린이 포르노 웹사이트 판쳐, 컴퓨터 바이러스 사진 2천건 통째 삼켜

• Management & Information Systems Review
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• v.5
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• pp.249-285
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• 2000

This paper discusses management education by utilizing the cyber education learning system in a web-based. New learning system tools offer great promise for a new contents of management learning. The cyber education learning system a shift from face-to-face lecturing to interactive learning. The situation changes profoundly when information technology becomes develope and education paradigm is shift. By exploiting the digital media. educations, and students, managers can shift to a new, more effect cyber education learning system. The following shift from classic educations to cyber educations learning system: from instruction to construction, from teacher-centered to learner-centered, from school to lifelong, from one-size-fits-all to customized, from teacher as transmitter to teacher as facilitator. Cyber education learning system has an important role to play in management education. Web-based technology is regarded as a general solution to cyber education learning. This study discussed many factors of implementation in cyber education systems and provide utilizing the learning system at main, detail functions. Lastly, management implications of these cyber education utilize are discussed in more detail.

• Journal of The Korean Association of Information Education
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• v.12 no.3
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• pp.333-345
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• 2008

The purpose of the research is to investigate the perception of corporate and e-Learning institute on ubiquitous society and learning environment in the context of human resource development. In addition, the study aims to analyze their recognition of u-Learning's components into the level of significance and actualization. The total of 118 institutes were participated in the research survey among the 144 e-learning certified institutes from the Ministry of Labor. The research includes the results of survey and implications on the area of human resource development.