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노벨엔지니어링을 활용한 피지컬 컴퓨팅 융합수업이 초등학생의 학습몰입도와 창의적 문제해결력에 미치는 영향
양현모,김태영,Yang, Hyunmo,Kim, Taeyoung 한국정보교육학회 2021 정보교육학회논문지 Vol.25 No.3
미래 사회를 위한 대비로 교육과정은 시대의 흐름에 맞게 변화하고 있으며 4차 산업혁명 시대가 도래하면서 새로운 2015 개정 교육과정의 목적이 창의적인 융합인재를 육성하는 것으로 제시되었다. 소프트웨어 교육의 목적은 창의성 증진이며 나아가 실생활과 연계하여 문제해결력을 기르도록 하는 것이다. 또한, 학습에 대한 몰입도는 뛰어난 교육 성취로 이어진다. 그러나 여전히 초등학교 컴퓨터 교육에서는 학생들이 쉽게 몰입하고 창의적인 문제해결력을 증진하기 위한 융합수업 모델의 개발이 부족한 실정이다. 이에 본 연구에서는 이러한 교육 여건에 맞는 융합수업 모델인 노벨엔지니어링(novel engineering)을 활용한 컴퓨터 융합교육을 설계하고, 이를 수업에 적용하였다. 그리고 학습 몰입도와 창의적 문제해결력 증진에 미치는 영향을 측정하기 위하여 초등학교 6학년을 대상으로 노벨엔지니어링 기반 컴퓨터 수업을 실험 집단에 적용하였고, 일반적인 컴퓨터 수업을 통제 집단에 적용하였다. 집단 간 사전-사후 검사 결과 노벨엔지니어링을 활용한 컴퓨터 수업은 학습몰입도와 창의적 문제해결력 신장에 긍정적인 영향을 미치는 것으로 밝혀졌다. In preparation for the future society, the educational curriculum is changing according to the trend of the times, and with the advent of the era of the 4th Industrial Revolution, the purpose of the new 2015 revised curriculum was suggested to foster the convergence creativity of students. The purpose of software education is to promote creativity and further develop problem-solving skills in connection with real life. In addition, flow in learning leads to outstanding educational achievement. However, in elementary school computer education, there is still a lack of development of a convergence class model for students to easily immerse themselves and promote creative problem-solving skills. Therefore, in this study, we designed convergence computer education using Novel Engineering, which is a convergence class model suitable for these educational conditions and applied it to classes. Further, to measure the effect on the improvement of learning flow and creative problem-solving ability. the Novel Engineering-based computer class was applied to the experimental group for 6th graders, and the general computer class was applied to the control group. As a result of the pre-post test between groups, it was found that computer classes using Novel Engineering had a positive effect on learning flow and creative problem-solving ability.
양현모(Hyunmo Yang),민옥기(Oakkey Min) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
High temperature SHPB(Split Hopkinson Pressure Bar) test system is used to investigate the dynamic behavior of SM45C at high temperature and high strain rate. In this work, one ellipsoidal reflectors with one halogen lamp is used to heat the test specimen. To determine the true stress-strain relationship, specimens are tested from room temperature to 1000℃ at intervals of 100 or 200℃ and at a strain-rate range of 1100/s ~ 1200/s. The parameters for a Johnson-Cook constitutive equation are evaluated from the test results.
역추적 기법을 활용한 산업용 유압호스의 가상 물성치 추정
양현모(Hyunmo Yang),구본열(Bonyeol Koo),최명환(Myunghwan Choi),김태환(Taehwan Kim),김재정(Jayjung, Kim) (사)한국CDE학회 2015 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2015 No.동계
Among the various parts which construct hydraulic system, especially hydraulic hoses play important roles in the organic connection between components of hydraulic system and in the efficient power transmission. Therefore, a path design during development process of various industrial machines is one of the important issues. A method using a commercial software based on the virtual reality was proposed to estimate the path of anisotropic hydraulic hoses. Design parameters which are necessary to be input to create paths are materials properties values such as Young"s modulus, shear modulus, and Poisson’s ratio. However, a distance error is occurred between the path on which materials properties are applied and that obtained from actual experiment like tensile test etc. A backward tracing scheme was used in this study to search virtual materials properties which are closest to actual path of horses.
양현모(Hyunmo Yang),민옥기(Oakkey Min) 대한기계학회 2007 大韓機械學會論文集A Vol.31 No.11
A compressive split Hopkinson pressure bar (SHPB) technique is used to investigate the dynamic behavior of SM45C at high temperature. A radiant heater, which consists of one ellipsoidal reflector and one halogen lamp, is used to heat the specimen. Specimens are tested from 600℃ to 1000℃ at intervals of 100℃ at a strain-rate ranging from 1100/s to 1150/s. A critical phenomenon occurs between 700℃ and 750℃ in SM45C. This phenomenon results in the drastic drop in a flow stress. In a modified Johnson-Cook constitutive equation, a reducer function is used to take into account for the effect of the drastic drop in a flow stress. A reducer function, which is dependant on the temperature as well as the strain, is introduced and the parameters of the modified Johnson-Cook constitutive equation are determined from test results.
스마트 글래스 기반 응급원격의료지도 시스템 설계 및 구현
이영호(Youngho Lee),황인철(Incheol Hwang),양현모(Hyunmo Yang),박건우(Gunwoo Park),이성민(Sungmin Lee) 한국스마트미디어학회 2024 스마트미디어저널 Vol.13 No.5
본 논문은 스마트 글래스 기반 응급원격의료지도 시스템을 제안한다. 여기서, 원격의료지도 시스템이란 병원의 전문의사가 현장의 해양경찰이나 응급구조사에게 원격의료지도를 수행할 때 사용하는 시스템을 의미한다. 시스템 개발에 필요한 요구사항을 파악하기 위해 관련 기술 동향 및 사례를 분석하였다. 분석을 바탕으로 3가지 시스템 요구사항(1. 환자 수송의 필요성을 결정할 수 있어야 함, 2. 병원으로 수송 중 응급 의료 제공에 도움을 주어야 함, 3. 의료 시설로 환자 정보 전달이 가능해야 함)을 정의하였다. 그리고, 요구사항을 충족하는 프로토타입을 개발하고 사용성 평가를 수행하였다. This paper proposes a smart glass-based emergency tele-medical direction system. This system is designed for hospital specialists to provide remote medical guidance to on-site coast guards or emergency responders. To identify the requirements necessary for system development, relevant technological trends and case studies were analyzed. Based on this analysis, three system requirements were defined: 1) The system must be able to determine the necessity of patient transport, 2) It should assist in providing emergency medical care during transport to the hospital, and 3) It must be capable of transmitting patient information to medical facilities. A prototype that meets these requirements was developed and its usability was evaluated.