• Journal of the Korean Home Economics Association
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• v.40 no.10
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• pp.217-230
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• 2002

This article explored the perceptions of ‘family’and the factors related to respondents' definitions of a family. The data were collected from two types of people: one was 472 university students and high school students' parents who were asked whether or not each of 22 scenarios represented a‘family’, and the other was 40 young and middle-aged adults who were asked,“what is a family member?”. Results showed that (1) the overwhelming majority of respondents considered a married couple without a child(scenario #5) as a family and the least respondents agreed a divorced couple(scenario #18) as a family, (2) the majority perceived consanguinity, co-residence, parental status, and marital status to be important in the definition of a family, (3) middle-aged adults were more likely than young generation to agree that consanguinity and paternal relations were important in determining what a family member is.

• Proceedings of the Korea Contents Association Conference
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• 2005.11a
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• pp.345-353
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• 2005

Government is supporting development of home networking. But, this new system is much expensive to introduce in the home. And limit for establishment is so many in the home. Therefore, in this paper, We escape from monotonic control of Home Automation and draw a plan Intelligent Home Automation to be developed. We reflect Home Network to the foundation and propose Home Automation on Ubiquitous Sensor Network, We Design of Ubiquitous Home Automation System for 35-Pyung Apartment Based on USN Environment. This becomes the Home Automatic Behavior System which is executed to the automatic to be improved.

• Computational Structural Engineering
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• v.17 no.2
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• pp.42-49
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• 2004

강체스프링 모델은 분할된 요소를 강체라고 가정하고, 각 요소는 스프링 시스템을 연결되어 있다고 생각하여 구조물을 해석하는 방법이다. 먼저 보의 휨 문제에 대한 강체스프링 모델의 개념을 설명하고자 한다. (중략)

• Communications of the Korean Institute of Information Scientists and Engineers
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• v.27 no.7
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• pp.33-40
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• 2009

• Journal of the Korean Chemical Society
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• v.58 no.1
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• pp.126-129
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• 2014

Concerning the difficulty of learning science and reduced interest in science, the authors of this study searched for potential threshold concepts which are portals or gateways in the field of science (particularly chemistry). The nature of these concepts and how to overcome their troublesomeness were further questioned. For this study, 239 high school students completed chemistry II provided information about what difficult concepts and potential threshold concepts in high school chemistry are and how they affect learning chemistry. In particular, the mastery experience of the threshold concepts was explored in detail. Two, "mole and atomic structure" were selected as threshold concepts in chemistry. Not only as important but also as threshold, this study emphasized the importance of the two concepts in terms of features characterizing them as threshold concepts. In particular, the features objectify subjective experiences of students and provide information describing the scientific meaning and distinctive nature of threshold concepts in science. Along with the data from teachers, this study shows the integrative feature as key criteria for students to make meaningful understanding of the two threshold concepts.

• Journal of Korean Home Economics Education Association
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• v.34 no.1
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• pp.81-96
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• 2022

The purpose of this study was to examine the extent to which the contents of elementary and secondary curricula are connected and overlapped in the 'family life' area of Practical Arts(Technology & Home Economics) subjects. The procedure and results are as were like below. First, the types of criteria for analyzing curriculum contents are developed. The connectivity are classified as 'discontinuous hierarchy' and 'spiral hierarchy' and duplication are classified as 'repetition (high level of overlapping)', 'reproducing', 'deepening (intermediate level of overlapping)', 'substitution', and 'omission (low level of overlapping)'. Second, as a result of analyzing the contents of elementary and secondary curricula, the 'Human Development' area showed higher connectivity with a deepening type of duplication. The 'Safety' and the 'Lifelong Planning' concepts showed lower connectivity. Third, as a result of analyzing the achievement standards of the 2015 Curriculum, the secondary Home Economics curriculum showed a considerable increase in the level of difficulty and the volume compared to the elementary curriculum. There was low connectivity between the contents of elementary and secondary curricula in the core concepts 'Safety' and 'Lifelong Planning', an intermediate level of connectivity in 'Life Culture' and 'Management', and high connectivity in 'Development' and 'Relationship'. Also, there was a high level of duplication in the core concepts 'Safety' and 'Lifelong Planning', being classified as 'reproducing', 'substitution', and 'omission', analyzed to have low connectivity. When structuring the curriculum contents with a spiral hierarchy, one should connect the elementary and secondary school contents organically: the hierarchy with core concepts considering the different characters of constructuring knowledge in each school level, with a moderate volume, with a moderate difficulty level, with a moderate level of duplication of the contents, and with the minimum level of repetition of the same topics within the same school level.

• Proceedings of the Korean Information Science Society Conference
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• 2005.11b
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• pp.616-618
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• 2005

본 논문은 적외선 리모트 컨트롤러로 제어가 가능한 가정용 소형 로봇인 $Robosapien^{TM}$을 홈 네트워크 제어를 위한 홈 서버를 통해 직접 제어할 수 있는 제어 소프트웨어를 개발하였다. 또한 $Robosapien^{TM}$의 연속적인 동작을 쉽게 프로그래밍하고 실행시킬 수 인터프리터 (interpreter)의 세부 구현내용을 기술하였다. 본 구현은 컴퓨터 프로그래밍의 개념 정립이 부족한 일반 사용자나 컴퓨터 프로그밍에 관심이 많은 학생들이 쉽게 프로그래밍 할 수 있는 비주얼 프로그래밍 도구를 개발하였다. 특히 구현 시 필요한 구성 요소 및 기능을 설계하고 사용자의 편의성을 고려한 편리한 GUI(Graphical User Interface)의 구현에 중점을 두었다. 본 비주얼 프로그래밍 도구는 가정의 데스크톱 PC뿐만 아니라, 실외에서 PDA와 같은 소형 이동단말기를 이용하여 원격으로 가정의 홈 서버에 접속하여 $Robosapien^{TM}$의 동작을 실시간으로 제어할 수 있으며 가정의 웹 카메라를 통하여 $Robosapien^{TM}$이 정확하게 동작하고 있는지를 원격으로 확인할 수 있다.

• Journal of the Korean Society of Propulsion Engineers
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• v.16 no.1
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• pp.16-24
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• 2012

In this study, two-stage hypersonic scramjet vehicle was designed for the flight condition of Mach number 6. In order to launch at sea level, two stage concept was applied. The first stage of the vehicle is solid rocket-powered and is mounted under the second stage. The second stage is powered by scramjet propulsion system and gas wings. The suggested mission scenario is to deliver 0.2 ton payload to the range of 2,000 km. For the first step of conceptual design, trajectory of air vehicle was calculated by 3-DOF trajectory code. Based on the result of trajectory code, scramjet engine design and mass estimation were performed by non-equilibrium nozzle flow code and NASA's HASA model, respectively. In order to find best solution, all steps of designing process was iterated until they was reached.

• Proceedings of the Korean Society of Propulsion Engineers Conference
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• 2011.04a
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• pp.309-317
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• 2011

In this study, two-stage hypersonic scramjet vehicle was designed for the flight condition of Mach number 6. In order to launch at sea level and Mach number 0, two stage concept was applied. The first stage of the vehicle is rocket-powered and is mounted under the second stage. The second stage is scramjet-powered propulsion system and has wing. The suggested mission scenario is to deliver 0.2 ton payload to the range less of 2000km. For the first step of conceptual design, trajectory of air vehicle was calculated by 3-DOF trajectory code. Based on the result of trajectory code, scramjet engine design and mass estimation were performed by non-equilibrium nozzle flow code and NASA's HASA model, respectively. In order to find best solution, all step of designing process was iterated until they were converged.

• Journal of Korean Home Economics Education Association
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• v.24 no.3
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• pp.35-56
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• 2012

The objective of this study investigated characteristics and developed the teaching models elements of creativity and personality education in home economics education based on its identity and nature. Above all, I investigated premises and assumptions of creativity and personality education in home economics education through literary consideration, and then found out eighteen creativity and personality elements. Thus, I proposed Practical Problem Solving Learning Model, Creative Problem Solving Learning Model, Inquiry Learning Model, and Role Playing Model(experience study) in 'Clothing and self-expression' unit. The study identified that creativity and personality education meets nature of home economics education and strengthens the basics of the creativity and personality education in home economics education. In the future, I recommend the activation of philosophical debating of the creativity and personality education, various class models of creative and personality education, and follow-up study of the creative and personality education.