• Journal of the Korean Society for information Management
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• v.20 no.1
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• pp.121-144
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• 2003

This thesis has a research focus in effectively Practicing cooperative instruction where teacher-librarians play a role. The cooperative Instruction means to practice cooperatively with the subject teachers and teacher-librarians, in teaching subject matters(Korean, English, Social studies. Science, History, and so forth), using the school library. This thesis presents three steps by theory-model-support for a practice method through developing a cooperative instruction model. This is based on curriculum which is an axis of school education and an instructional design theory which is a base theory for subject matters.

• 한국정보교육학회:학술대회논문집
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• 2008.01a
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• pp.257-262
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• 2008

인터넷이 급속도로 발전하여 정보가 넘쳐나는 현대 사회에서 여러 가지 일들이 인터넷을 통해 진행되는 경우가 많다. 이러한 상황은 교육에서도 빈번하게 일어나고 있다. 그 대표적인 예가 초등학교 수업에서 웹 브라우저를 사용하여 교사가 정보를 검색하거나, 수업자료를 보여주는 활동 등을 포함한 웹 기반 수업이다. 그러나 대부분의 학급에서 웹 기반 수업을 위해 마이크로소프트사에서 제공하는 익스플로러를 사용하고 있다. 익스플로러는 일반인을 대상으로 하고 있기에 다양한 기능과 복잡함으로 인해, 학교 현장에서 바로 사용하기에는 여러 가지 불편함이 존재한다. 이러한 불편함을 해소하기 위하여 본 연구에서는 웹 브라우저에 대한 선행연구를 살펴보고, 초등학교 교사들의 정보화 특성에 따른 개선방안을 제시하며 초등 교사를 위한 웹 브라우저를 HCI적 관점에서 설계하여 제안한다. 이 웹 브라우저는 초등학교 교사들이 웹을 보다 효율적이고 효과적으로 수업을 하는데 있어 도움이 될 것으로 기대된다.

• 한국정보교육학회:학술대회논문집
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• 2007.01a
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• pp.275-280
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• 2007

학교 교재원은 생명과 환경 관련 교과 교육을 위한 가장 효과적인 학습 교재일 뿐 아니라 학생들의 성장 발달에 큰 영향을 줄 수 있는 곳이지만 학교 현장에서는 학교 교재원 관련 기준이 제정되어 있지 않으며 관리 장부도 허술하다. 또, 식물관리에 관한 기술이나 이론을 겸비한 전문가가 거의 없으며, 교재원 관련 고급 인력을 배치하기도 쉽지 않은 상황이다. 따라서 식물 및 교재원 관련 정보를 데이터베이스화하고 커뮤니티를 통해 정보를 교류하여 교재원 관리자가 관리를 좀 더 체계적으로 할 수 있게 돕고, 학생들이 좀 더 계획성있게 설계된 교재원을 접할 수 있도록 하는 교재원 관리시스템을 제안한다. 본 연구에서 제안하는 관리시스템으로 관리자는 좀 더 전문적이고 수월하게 교재원을 관리하고, 자라나는 학생들은 좀 더 다양한 과학적 자극을 받을 수 있을 것으로 기대한다.

• Proceedings of the Korea Information Processing Society Conference
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• 2014.11a
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• pp.283-286
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• 2014

본 논문에서는 스마트폰의 GPS기능과 기본적으로 안드로이드에 탑재되어 있는 Google Map을 이용하여 내 주변 학교 위치와 정보를 쉽게 검색할 수 있도록 한다. 이러한 어플리케이션 개발을 통해서 공공장소 및 목적지를 찾는 용도로 활용하고자 한다. 학교 시설은 입학시험, 각종 자격시험, 재난 시 대피소 등으로 활용되는 경우가 많다. 스마트폰을 능숙하게 사용하는 젊은 층이 아니라도 누구나 어려운 조작 없이 최단경로를 이용한 학교의 위치를 쉽게 찾아갈 수 있도록 도와주는 어플리케이션을 설계 및 개발한다.

• Journal of The Korean Association of Information Education
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• v.15 no.3
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• pp.413-423
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• 2011

Programming education has the favorable influence on creative logical thinking and problem-solving ability of students. However programming has not been actively taught at the elementary schools. One of the causes is the lack of systematic curriculum. In this paper, we design the curriculum for 'Understanding of Information Processing' in revised ICT educational guidelines using the educational programming language Scratch. We propose curriculum that consists of 4 lessons for 1st and 2nd graders, 5 lessons for 3rd and 4th graders, and 6 lessons for 5th and 6th graders to lesson the cognitive load, and present the instruction plans. Selected group of experts verified our proposed curriculum and instruction plans. According to verification results, we can conclude that almost the area including the targets, educational factors, learning content, amount of learning, instruction plans are appropriate. The curriculum proposed in this paper can help the elementary students learn programming efficiently, and develop their logical thinking, problem-solving ability, creativity, and information processing ability.

• The Journal of the Korea institute of electronic communication sciences
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• v.18 no.4
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• pp.617-624
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• 2023

Recently, miniaturization and low power consumption of electronic products and improved efficiency and power factor improvement have become a matter of great interest. In this paper, an AC-DC converter based on PWM control was designed and made. The AC-DC converter is designed with a structure in which one rectifier circuit and one output voltage control circuit are connected in series. The rectifier circuit is a diode-based single phase full-wave current circuit and the output voltage control circuit is a DC-DC conversion circuit based on PWM control. Arduino was used as the main control device for PWM control, and LCD was configured at the output stage so that the control result could be checked. The error between the output voltage displayed on the oscilloscope and LCD and the target output voltage was confirmed through repeated experiments with the test circuit, and the validity of the proposed design methodology was confirmed by showing an error rate of about 5% based on the oscilloscope measurement value.

• Journal of Korean Society of Environmental Engineers
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• v.34 no.4
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• pp.232-238
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• 2012

In this study, the noise mapping simulation is executed to design an effective barrier reducing noise levels of a school site. The geographical features of the ambient site and the school buildings are modelled in detail in order to consider sound propagation, deflection, and absorption phenomena etc. The main sound source, sound power level of expressway, is estimated on the basis of measured noise levels at several points of the site. The noise mapping simulation is performed by using ENPro, environmental noise prediction program based on ISO 9613 to analysis the effectiveness of noise barrier. Consequently, the noise barrier is designed to meet an environmental noise standard and satisfy low cost and safety conditions.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2019.05a
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• pp.15-17
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• 2019

Some blind spots of information were occurring because important information such as school events, employment information, attendance information, and major school schedules were currently communicated through home communication messages only. To address this problem, an e-Board prototype was designed to incorporate P2P-based Internet of Things technology in a wired and wireless network based on a survey of data on smart education based on the Internet of Things. In each classroom, necessary information, such as school events, was received in real time from the classroom and shared in the classroom. They also want to design an e-Board prototype for Internet of Things-based smart education because they are easily accessible to anyone even if they do not know how to use e-Board.

• Journal of the Korea institute for structural maintenance and inspection
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• v.26 no.1
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• pp.10-18
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• 2022

This report describes the development and stability evaluation of a seismic retrofit method to evaluate the seismic performance of existing school buildings by analyzing the earthquake waveforms that occurred in Korea. Currently, Facilities for seismic retrofit designed for excessive reinforcement are being applied. To compensate for this, optimised the retrofit mothod suitable for domestic situation considering the characteristics of the seismic region, generated a Korean-style artificial seismic wave that meets the seismic design criteria, which is less frequent than other countries.

• The Mathematical Education
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• v.62 no.1
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• pp.117-149
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• 2023

This study attempted to design a virtual space using ZEP, a metaverse platform, to enable mathematics classes in the metaverse space, to apply it to mathematics classes, and to find out changes in students' affective domain. As a result, students showed positive effects in terms of subject efficacy, subject interest, intrinsic motivation, class satisfaction and participation. In addition, we found the possibility of customized classes for each student level by performing different missions in classroom classes with limited time and space.