• Title/Summary/Keyword: Design idea

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Conceptual Design and Demonstration of Space Scale for Measuring Mass in Microgravity Environment

  • Kim, Youn-Kyu;Lee, Joo-Hee;Choi, Gi-Hyuk;Choi, Ik-Hyeon
    • Journal of Astronomy and Space Sciences
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    • v.32 no.4
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    • pp.419-425
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    • 2015
  • In this study, a new idea for developing a space scale for measuring mass in a microgravity environment was proposed by using the inertial force properties of an object to measure its mass. The space scale detected the momentum change of the specimen and reference masses by using a load-cell sensor as the force transducer based on Newton's laws of motion. In addition, the space scale calculated the specimen mass by comparing the inertial forces of the specimen and reference masses in the same acceleration field. By using this concept, a space scale with a capacity of 3 kg based on the law of momentum conservation was implemented and demonstrated under microgravity conditions onboard International Space Station (ISS) with an accuracy of ${\pm}1g$. By the performance analysis on the space scale, it was verified that an instrument with a compact size could be implemented and be quickly measured with a reasonable accuracy under microgravity conditions.

A study on the images of self-identity of TV ad. (TV 광고에 나타난 자아 정체성 -크리에이티브 표현의 분석과 그 해석을 중심으로-)

  • Kim Deok-Ja
    • Journal of Science of Art and Design
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    • v.1
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    • pp.227-266
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    • 1999
  • The idea of identification have become a subject of discussion ever since the time man started to contemplate on the meaning and value of his being. However, the concept of identity defined by theorists such as sociologists or cultural historians influence the consumption pattern of the major consumer group, in conjunction with the advent of the mass consuming age. The conflict and mutual realization among variable generations and residential areas of different. consumer levels profoundly affect the formation of the identity of the new generation and the role and experience of women. This series of transit is progressing more rapidly due to the characteristic situation of the expiration of a millenium. Advertising strives to control our interests and ideas on the products we choose to use and affects our identity by manipulating images of successful people. People tend to be influenced more significantly by the mass-culture than by people around them, such as family or friends, in rendering their self?identity; in which process, adopting the identity produced by mass-media and advertising. Such identity is conducted partly of the product identity and the stereotyped image suggested by mass-media. This study bears significance in the attempt to provide actual data and expand the realm of ideas and planning in future advertising through demonstrative analysis of self-identity creative in Korean TV advertising.

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The Classified Korean Clothing Image by Brainstorming Method -focus on the image "The Land of Morning Calm"- (브레인스토밍 기법에 의한 한국적 의복이미지 유형 -"고요한 아침의 나라"이미지를 중심으로-)

  • 오현정;오선희
    • Journal of the Korean Society of Costume
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    • v.52 no.6
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    • pp.41-50
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    • 2002
  • The purpose of this study is to classify korean clothing image using brainstorming method. Brainstorming theme is selected 'The Land of Morning Calm 'which famed to foreigner about Korea. Brainstorming members were 10 persons for 1st. 9 persons for End. The 119 words of association from 'morning calm'were to extracted at 1st brainstorming. The group of senses image were to classified at End brainstorming. The results of this study were as follows : 1. The clothing image type of tactual sense implied feeling of that downy bedding in a soft spring and grandmother's hands as warm. rough. 2. The clothing image type of smelling sense associated smells of pleasant. mild. and fresh. 3. The clothing image type of auditive sense consisted mainly sense of indirect. resonance. small, and clear sounds. 4. The clothing image type of visual sense associated pure, passive, gentle, and lasting life-force as weeds and wild flowers. Korean line is pointless and rounded curve. Korean form is soft silhouette as streamy, not exaggerate and wavy detail of slim and short. Korean color is not dyed, just natural color and pastel tone. Korean textile is a natural material as linen, ramie. and coarse silk.

The Present Situations and Subjects of Mathematics Education in Japan (일본의 산수.수학교육의 현상과 과제)

  • Iwago Kazuo
    • The Mathematical Education
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    • v.24 no.2
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    • pp.9-26
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    • 1986
  • The mathematics education circles in Japan has a variety of subjects. I want to speak w generally are considered on those subjects. Some of these subjects are as follows: (1) The ratio of students who go on to high schools is about 95 percent, so that it is h to solve how to design the mathematics curriculum for the poor scholars. (2) Though the effects of instruction at the schools does not betray the nation's trust, JUKU increase in number. Thus all teachers in schools cannot but endeavor to fulfil the responsibility. (3) Some of the junior high school's teachers suffer from the misconducts and violences pupils. Thus researchers of mathematics education in such schools tend to stagnate. 4) The tudents and pupils get good results in the examinations of calculation, but in the examinations such as word problems that require their judgements not so. Etc. t is not easy to solve or cope with the these subjects. or the subjects as (3), all teachers concentrate their efforts on the activation of lessons the heightening the pupil's will to learn. or the subjects as (4), the idea of mathematical thinking has be advocated since about 1960, recently the 'problem solving' are proposed and are studying. Lastly the researchers in the university are theorizing their own works and digest and utilize arge foreign's literatures. Furthermore a great number of teachers make an effort to research their calssrooms. But a great part of the results of their researches are utilized only in country. I hope, hereafter, that the effects of researches in Japan become known and ized to the foreign countries.

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The Effect of Trustworthiness on Purchase Intention in Open Markets: Focusing on Trust and Distrust (오픈마켓에서 신뢰가치성이 구매의도에 미치는 영향: 신뢰와 불신을 중심으로)

  • Choi, Seul Bi;Ahn, Hyunchul;Kwahk, Kee-Young
    • The Journal of Information Systems
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    • v.26 no.1
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    • pp.171-188
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    • 2017
  • Purpose This study investigates the effects of trust and distrust on intention to purchase in open market, based on the idea that trust and distrust can co-exist. Specifically, this study approached the effects of trust and distrust of the open market on the intention to purchase from a two-dimensional perspective, and examined trustworthiness as the antecedents of trust and distrust. Design/Methodology/Approach In this study, we conducted a questionnaire survey on consumers who have actually purchased a product from open markets in Korea for two months. As a result, 141 users are chosen for the sample. We apply PLS (Partial Least Squares) structural equation modeling (SEM) to verify our theoretical model using the software application SmartPLS 3.0. Findings First, trust in open market positively affects intention to purchase, whereas distrust in open market negatively affects intention to purchase. Second, the three antecedents of trust (i.e. three factors constituting trustworthiness such as ability, benevolence and integrity) affect trust in open market. Third, integrity negatively affects distrust in open market. Since integrity plays an important role in building both trust and distrust in open market, the operators of open market should pay attention to managing their integrity.

Comparative Analysis of Shared Space Needs according to Social Class through Small Group Workshop Panel Method (거주자특성별 주민공유공간 요구에 대한 연구 - 소집단워크샵패널방법을 이용하여 -)

  • 이연숙
    • Journal of the Korean housing association
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    • v.8 no.1
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    • pp.1-12
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    • 1997
  • The purpose of this research is to identify user needs for community space design, especially shared space. and compare them according to social class. Since the shared space concept is new, it will be difficult for residents to familiarize themselves with the new idea. This study used a Small Croup Workshop Panel Method instead of the conventional survey method for this reason The subjects were 6 Panel groups of S people per each group. Bach of the panels included 3consecutive workshops. The results can be summarised as follows. All the residents wanted various kinds of shared spaces for everyday living and leisure activity While there were generally great similarity regardless of resident's sub characteristics, some founed distintively dissimilar. The residents of 20s pyung apartment wanted day-care center, multi Purpose room for meeting and family events, library, study room, sports facilities, and cultural center in order. The shared spaces that residents of 30s pyung apartment wanted were library. study room. common dining, sports facilities. and cultural center in order. The residents of 50s pyung apartment wanted library, study room. multi purpose room, common storage, sports facilities. and cultural center in order. These findings imply some diverse plans instead of uniform ones are to be deliberately considered, This results can be usefully applied to develop new collective housing for different social class residents.

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Path Tracking Control Using a Wavelet Based Fuzzy Neural Network for Mobile Robots

  • Oh, Joon-Seop;Park, Yoon-Ho
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • v.4 no.1
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    • pp.111-118
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    • 2004
  • In this paper, we present a novel approach for the structure of Fuzzy Neural Network(FNN) based on wavelet function and apply this network structure to the solution of the tracking problem for mobile robots. Generally, the wavelet fuzzy model(WFM) has the advantage of the wavelet transform by constituting the fuzzy basis function(FBF) and the conclusion part to equalize the linear combination of FBF with the linear combination of wavelet functions. However, it is very difficult to identify the fuzzy rules and to tune the membership functions of the fuzzy reasoning mechanism. Neural networks, on the other hand, utilize their learning capability for automatic identification and tuning. Therefore, we design a wavelet based FNN structure(WFNN) that merges these advantages of neural network, fuzzy model and wavelet transform. The basic idea of our wavelet based FNN is to realize the process of fuzzy reasoning of wavelet fuzzy system by the structure of a neural network and to make the parameters of fuzzy reasoning be expressed by the connection weights of a neural network. And our network can automatically identify the fuzzy rules by modifying the connection weights of the networks via the gradient descent scheme. To verify the efficiency of our network structure, we evaluate the tracking performance for mobile robot and compare it with those of the FNN and the WFM.

Design Analysis and Apparel Patternmaking of Lingerie Look (란제리룩의 디자인 분석 및 실물 패턴제작)

  • Yoon, Jin-Ah;Lee, Myoung-Hee
    • Journal of the Korean Society of Costume
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    • v.56 no.7 s.107
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    • pp.152-166
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    • 2006
  • The purpose of this study was to make patterns for lingerie look after examining expressive characteristics and constructive elements of lingerie look. As underwear became outerwear, position of wearing, materials, and details had changed, and the phenomenon to expose one's body has increased. The constructive elements found in the lingerie look were classified into silhouette, fastening, dart, and cutting line. Many of corset looks revealed cutting lines such as diagonal, perpendicular, and horizon. Brassiere look used perpendicular rutting lines or horizontal cutting lines passing through the bust point in order to highlight the volume by adding darts. There were styles Of chemise looks that used princess lines or separately added a brassier on the breast. Based on the examination of the elements, a total of four apparel works were created, including one flat pattern and three draping patterns. With new infra-apparel designs and patterns, this study was able to artificially highlight the body and express the beauty of costume through revelation of body. In addition, it explored the possibility that the phenomenon that underwear becomes outerwear may be a new idea of dress designing.

A Study on the Photo-image Appropriation in Fashion Illustration (패션 일러스트레이션에서의 사진 이미지 차용에 관한 연구)

  • Kim, Soon-Ja
    • Journal of the Korean Society of Clothing and Textiles
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    • v.33 no.7
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    • pp.1061-1073
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    • 2009
  • Present expression methods have close relations with popular culture in the active acceptance of various kinds of genre. Fashion illustration is no longer limited to sketching garments or technically explaining construction, it is accepted as an art that is expressed by the desire and consciousness of the artist. This study examines the expressional characteristics and effects of photo-image appropriation as an expression method in fashion illustration. The word 'appropriation' (to steal something) is used as euphemism and not meant to be derogatory. The methods of appropriation in art indicate that paintings are not inventions but are self-satisfactory creations that show that the idea of originality is false and that paintings should be uninhibited from the greed of the authority of the genius of artists. In postmodern paintings, the photo-image of appropriation are expressed through the methods of re-photography, photo collage, and photo painting. Photo-image appropriation methods in fashion illustration are re-photography, photo collage, image mixing of photography, drawing, and graphic expression of photography. Fashion illustrators are able to develop expression techniques for expanding a field of expression and enhance the ability of communication through the photo-image appropriation methods.

Prediction of Consumed Electric Power on a MQL Milling Process using a Kriging Meta-Model (크리깅 메타모델을 이용한 MQL 밀링공정의 소비전력 예측 연구)

  • Jang, Duk-Yong;Jung, Jeehyun;Seok, Jongwon
    • Journal of the Korean Society for Precision Engineering
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    • v.32 no.4
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    • pp.353-358
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    • 2015
  • Energy consumption reduction has become an important key word in manufacturing that can be achieved through the efficient and optimal use of raw materials and natural resources, and minimization of the harmful effects on nature or human society. The successful implementation of this concept can only be possible by considering a product's entire life cycle and even its disposal from the early design stage. To accomplish this idea with milling, minimum quantity lubrication (MQL) strategies and cutting conditions are analyzed through process modeling and experiments. In this study, a model to predict the cutting energy in the milling process is used to find the cutting conditions, which minimize the cutting energy through a Kriging meta-modeling process. The MQL scheme is developed first to reduce the amount of cutting oil and costs used in the cutting process, which is then employed for the entire modeling and experiments.