• Title/Summary/Keyword: changing form

검색결과 975건 처리시간 0.026초

분산 데이터 보간을 이용한 자유 형태 곡면 생성방법 (The Generation of Free-Form Surface using Scattered Data Interpolation)

  • 이아리;박철호;심재홍
    • 한국정보처리학회논문지
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    • 제6권9호
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    • pp.2504-2511
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    • 1999
  • 본 논문에서는 자유 형태 곡면을 설계할 수 있는 효과적인 방법으로 분산 데이터 보간 방법을 제안한다. 데이터 보간 방법은 다양한 물체를 모델링 하는데 필수적인 방법이다. 구조가 복잡한 자유형태곡면을 생성하기 위하여 기존의 방법은 제어 점의 가중치를 계산하여 물체를 나타낼 경우, 물체의 편평한 영역과 날카로운 모서리 부분이 나타나는 문제점이 있었다. 이러한 문제점을 해결하기 위해서 분산 데이터 보간을 이용하여 새로운 근사곡면 생성방법을 제시한다. 이 방법은 주어진 제어 점들과 변환된 물체상의 점에 변화영역에서 최적의 값을 가지는 주요 곡률을 계산하여 B-스플라인 보간 함수를 구하고 이을 이용하여 근사된 자료의 변화량을 계산한다. 또한 최소의 가중치를 분산 데이터 보간에 이용함으로써 보다 자연스러운 자유형태 곡면을 설계하는 방법을 제안한다.

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큐브 형태의 공간 변화를 표현한 스카프 디자인 (The scarf design expressing the cube form space change)

  • 박상은
    • 한국의상디자인학회지
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    • 제22권4호
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    • pp.93-104
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    • 2020
  • This paper focuses on the spatial changes that create a three-dimensional or deep feeling on the surface of a scarf centering on the cube shape. Through this, consumers with various tastes were able to satisfy their image presentation. The cube form has simplicity and order and is likely to be used as a formative object. The cube shapes can be expressed in various forms through visual and perceptual spatial changes by presenting various shape changes based on the viewpoint of the two-dimensional silk surface, that is, by changing the eyes' position and orientation. Various visual theorists' discussions about cube-shaped visual changes were discussed. In addition, the three-dimensional spatial illusion caused by the shape and color of Victor Bazaarelli's cube was examined. The cube shape was printed silk surfaces to give a three-dimensional sense of space on a two-dimensional scarf design using the size change, the difference in the length of the line, and the color change. As such, the cube shape has infinite possibilities as a method that can express three-dimensional depth and space on the flat surface of a scarf. Therefore, it is hoped that this study will be applied to various aspects as the basic data for the scarf design that expresses the spatial changes in the form of cubes.

광속법을 이용한 등배치 설계에 관한 연구 (A Study On the Design of Balaced Illuminance Using Lumen Flux Method)

  • 최홍규;최병숙;정성윤;김진성
    • 한국조명전기설비학회:학술대회논문집
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    • 한국조명전기설비학회 1999년도 학술대회논문집-국제 전기방전 및 플라즈마 심포지엄 Proceedings of 1999 KIIEE Annual Conference-International Symposium of Electrical Discharge and Plasma
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    • pp.175-180
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    • 1999
  • This paper presents the effective design of the change of average illuminance and the arrangement of lamps by changing the form of working area and adjusting the distance between the wall and light. This study is intended to simplify the complex calculation of illuminance through the development of application program. It's plan to study application programs that can attain the value of advanced uniformly-distributed illuminance and average illuminance by changing the distance between the horizontal/vertical wall and lamp and between the horizontal/vertical lamp and lamp.

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The role of polymers in dispersion stability and film formation of silica/PVA suspension

  • 김선형;성준희;안경현;이승종
    • 한국재료학회:학술대회논문집
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    • 한국재료학회 2010년도 춘계학술발표대회
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    • pp.23.2-23.2
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    • 2010
  • Researches on the drying of particle/polymer suspensions receive attentions in technical applications such as manufacturing display and batteries. In this study, the effect of polymers on drying behavior of silica/poly(vinyl alcohol) suspension was investigated in terms of suspension stability and stress development during drying. The effect of polymer adsorption was studied by changing pH. More strongly flocculated suspension with lower pH became more dispersed and close-packed film after drying. Evaluation of potential energy allows us to suggest that the adsorbed polymers which bridge the particles introduce steric repulsion and lead flocculated suspension to dispersed film. When the effect of adsorption kinetics was studied by changing the mixing time, the adsorption amount, characteristic stress and dried film density showed a similar behavior in the form of with a single characteristic time. It implies that the drying process can be determined by simple characteristic equation with a single time constant.

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연결극점을 이용한 다중로봇의 대형유지 (Formation-Keeping of Multiple Robots using Chained-Poles)

  • 곽재혁;강현덕;김창환
    • 로봇학회논문지
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    • 제4권3호
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    • pp.218-224
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    • 2009
  • We propose a formation-keeping and changing methods for outdoor multiple mobile robots in chained form. Our proposed method is designed to maintain the follower to its desired distance and orientation with respect to the pole using the concept of virtual force such as potential field. The client robots use a behavior-based control to perform kinematic control to keep formation under the centralized system in our software framework. The relationship of each poles that is expressed by set of distance and angle is the description of the formation type and the type converting is performed using this set. In addition, we also examine the stability and capability in the simulation and experiments with real robots.

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1960~80년대 산업화에 따른 주거공간 내 제품의 의미변화와 그 역할에 관한 연구 (A Study on meanings and the role of Product in Korean Housing Space after industrialization of the 1960~80)

  • 임찬희
    • 한국실내디자인학회논문집
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    • 제32호
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    • pp.3-12
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    • 2002
  • To purpose of this study is to find out a descriptive explanation of why, when and how modernization in Korea came out. Modernization in Korea has been constituted from a completely different context In comparison with the first world countries because of a sudden industrialization and external changing process of product was done under the structural influence of western modernization.. Therefore, by examing the relationship between the socio-cultural meanings of industrialization and the consuming style of the modern society, we can know about the formation of the ‘modern’ toward product and lifestyle. And in processing of mix with modern and tradition, we can understand that Korean characteristics and tradition becomes objectified, estranged and distorted to form the Korean style in Korea. A culture is changing in developing due to external influence ceaselessly, so it is significant that we will make ours in processing to our own receptive capacity.

축방향 하중을 이용한 마이크로 자이로스코프의 고유진동수 조율 (Tuning of Micromachined Gyroscope by the Axial Loads)

  • 조중현;박윤식;박영진
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2005년도 추계학술대회논문집
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    • pp.88-91
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    • 2005
  • Although the MEMS element is made through a very precise manufacturing process, usually there is the difference between the modeling design and the actual product. So tuning is required. Through the frequency tuning(changing the characteristics of device), we can calibrate the fabrication error and uncertainty. I'll propose the method of changing the natural frequency through the imposing the axial force on the anchor part to separate the sensing part and the tuning part. When the shape of section is the form of rectangular, the degree of the natural frequencies' change under axial force appears D be different. Applying a tuning force of 30 $\mu$N, the natural frequencies' difference can be reduced by 5 percent.

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1990년 이후 한국 개신교회의 예배유형에 따른 예배공간특성 - 전통예배공간과 현대예배공간을 중심으로 - (The Characteristics of Worship Space of Worship type in Korea Protestant Church Since 1990 - Focus on the Traditional Worship Space and the Contemporary Worship Space -)

  • 김기현;이규백
    • 한국실내디자인학회논문집
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    • 제18권5호
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    • pp.175-182
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    • 2009
  • Korea Protestant slower growth and social church's changes in the environment of the traditional worship center for the sermon to a variety of changes was required, because of this period reflects the availability of a new type of worship was to appear. These changes in the type of worship in the form of the worship space, and space configuration is affecting many more. This study was the type of church korea today, the type is classified as a traditional worship and contemporary worship, and to characterize the category by a change in the type of church worship space in the configuration that affects cases throughout the analysis was to investigate, study follows. Traditional worship the center of the altar, the altar placed platform form, a vertical elevation of the platform sheet form, the installation of the cross, place the side of the choir seats, church chair type attribute appears tradition and in part compressed pulpit appears symbolism. Contemporary worship to the exclusion of the symbolic elements of the platform open, flat sheet form and the platform was the preferred form of minor elevations of the flat, multi-purpose space used for worship to sermon platform placed around the altar of the adjustable type, the choir seats placed in scheelite, preferred form of scheelite was an individual chair. However, the characteristics of traditional and contemporary worship space features a mix of worship space, quite a lot of cases that have been found. Integrated and consistent element of the worship space, the worship of the discrepancy in the form of systematic theological depth analysis did not come true without lust about contemporary culture is changing rapidly to accommodate sprawl is judged. Therefore, the characteristics of the type of worship and prayer to understand the changes in the church building is a prerequisite to be a very important aspect.

송광시 조사도에 나타난 복장에 관한 연구 - 색과 문양을 중심으로 - (A Study on the Costumes in a Portrait of the Buddhist Monk of the SONG KWANG Temple.)

  • 안명숙
    • 한국의류학회지
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    • 제18권1호
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    • pp.57-64
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    • 1994
  • This study investigates the costumes of the Most Reverend Priest, which shows a portrait of the Buddhist monk in Koryo dynasty, owned by SONG KWANG Temple. A surplice and a long sleeved Buddhist robe was chiefly shown up a portrait of a Buddhist monk. The purpose of this study find out the color, form, pattern, material, adornment of the costumes which is appeared a portrait, and also seek to changing process according to the times. the finding in this paper are ; * A surplice - color : red, green, yellow etc. form' big size surplice, provision surplice. pattern : no. material : unstriated silk. adornment' bolt, ribbon. * A long sleeved Buddhist robe- color : grey, blue, dark blue, pink, green, chestnut .etc. pattern : no. In comparison with a survery of previous studies of Buddhist comstumes, the color and type of the Koryo dynasty are more brilliant various color. In other words, the social status of monk in the Koryo is higher than present day.

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와이어방전가공시 북량현상 예측에 관한 연구 (A Study on the Hand Drum Form Predict in the Wire Electric Discharge)

  • 김선진;성백섭
    • 한국정밀공학회지
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    • 제20권1호
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    • pp.70-78
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    • 2003
  • The purpose of this study was to present the method to choose the optimization machining condition for the wire electric discharge machine. This was completed by examining the ever-changing quality of the material and by improving the function of the wire electric discharge machine. Precision metal mold products and the unmanned wire electric discharge machining system were used and then applied in industrial fields. This experiment uses the wire electric discharge machine with brass wire electrode of 0.25mm. In this experiment, we changed no-node voltage to 7 and 9, pulse-on-time to 6$mutextrm{s}$, 8$mutextrm{s}$ and 10$mutextrm{s}$, pulse-off-time to 8$mutextrm{s}$, 10$mutextrm{s}$ and 13$mutextrm{s}$, and experimented on wire tension at room temperature by 1000gf, 1200gf, and 1400gf, respectively.