• 전기학회논문지
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• 제61권12호
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• pp.1911-1919
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• 2012

In this paper, we focus on a robotic sealing process in which three robots are used. Each robot can be considered as a 7 axis redundant robot of which the first joint is prismatic and the last 6 joints are revolute. In the factory floor, robot path planning is not a simple problem and is not automated. They need experienced operators who can operate robots by teaching and playing back fashion. However, the robotic sealing process is well organized so the relative positions and orientations of the objects in the floor and robot paths are all pre-determined. Therefore by adopting robotic theory, we can optimally plan robot pathes without using teaching. In this paper, we analyze the sealing robot by using redundant manipulator theory and propose three different methods for path planning. For sealing paths outside of a car body, we propose two methods. The first one is resolving redundancy by using pseudo-inverse of Jacobian and the second one is by using weighted pseudo-inverse of Jacobian. The former is optimal in the sense of energy and the latter is optimal in the sense of manipulability. For sealing paths inside of a car body, we must consider collision avoidance so we propose a performance index for that purpose and a method for optimizing that performance index. We show by simulation that the proposed method can avoid collision with faithfully following the given end effector path.

• 문화기술의 융합
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• 제7권2호
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• pp.395-404
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• 2021

개인 메신저에서 사용하는 이모티콘은 이미 하나의 산업으로 자리를 잡았다. 본 연구에서는 사람들이 어떤 동기로 이모티콘을 사용하고, 그 동기가 어떻게 구매 행동까지 이어지는지 살펴보기로 하였다. 이에 따라 먼저 어떤 이모티콘 사용동기가 유료 이모티콘 구매에 대한 태도에 영향을 주는지 알아보았으며 다음으로 계획행동이론을 통해 구매행동이 설명되는지 PLS 기반 구조방정식 모델링을 통해 분석하였다. 연구 결과, 유행과 재미/습관 요인이 이모티콘 구매에 대한 태도를 유의하게 설명하는 것으로 나타났고, 태도와 주관적 규범과 지각된 행위통제가 구매 의도로 이어지며 구매 의도는 구매 행동을 예측하는 것으로 나타났다. 본 연구를 통해 유료 이모티콘 구매에 영향을 미치는 요인에 대해 검증된 모델을 통하여 확인할 수 있었으며 어떤 이모티콘 사용 동기가 영향을 미치는지를 확인한 결과는 이모티콘 제작 및 광고에 어떠한 요소를 담아야 하는지 함의를 제공할 수 있을 것으로 보인다.

• 한국차세대컴퓨팅학회논문지
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• 제15권4호
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• pp.80-88
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• 2019

소프트웨어 정의 네트워킹(SDN)은 네트워크 장치의 데이터 기능과 제어기능을 분리한 미래 네트워킹 기술이다. 네트워크 장치들이 하나의 컨트롤러에 의해 중앙 제어되는 SDN의 구조는 대규모의 네트워크로의 확장성을 보장하기가 쉽지 않다. 선행연구들은 다수의 컨트롤러를 배치하는 수평적 확장성에 초점을 두어왔다. 이 연구들은 제어 평면과 응용 평면을 하나의 컨트롤러로 추상화하고 있다. 보편적인 SDN 아키텍처의 계층은 데이터 평면, 제어 평면, 응용 평면으로 나뉘는데 응용평면과 제어평면은 논리적으로 분리되어 있음에도 두 평면을 하나의 컨트롤러로 간주하였다. 따라서 본 논문에서는 대기행령 이론을 바탕으로 제어 평면과 응용 평면을 분리하여 반영한 트래픽 성능 분석 모델을 제안한다. 이 모델을 사용하면 복잡한 시뮬레이션 대신 간단하게 컨트롤러 배치 문제 등과 같은 확장성 문제에 활용할 수 있다.

• 디지털융복합연구
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• 제19권5호
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• pp.383-395
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• 2021

본 연구는 Pine과 Gilmore(1998)의 체험경제이론(4E's) 이론을 바탕으로 비대면 패션·뷰티 공연의 체험요인(오락적 체험, 심미적 체험, 일탈적 체험, 교육적 체험)이 지각된 가치를 매개로 고객만족에 미치는 영향에 관하여 분석하였다. 2020년 비대면으로 서울에서 성공적으로 진행된 제15회 '아시아모델페스티벌' 패션·뷰티 공연 관람객을 대상으로 총 230부의 설문지를 배포 및 회수하여 실증분석을 실시하였다. 통계분석 방법으로 SPSS 21.0 통계 프로그램을 사용하였고, 유의수준 p<.05에서 가설검증을 하였다. 연구 결과, 비대면 패션·뷰티 공연의 체험요인이 지각된 가치와 고객만족에 유의미한 영향을 미치는 것으로 나타났다. 또한, 지각된 가치는 고객만족에 긍정적인 영향을 미치는 것으로 나타났고, 매개변수인 지각된 가치는 체험요인이 고객만족에 미치는 영향을 부분 매개하는 것으로 나타났다. 이와 같이 실증분석을 연구함으로써 실무적인 측면의 시사점을 제시하고 실무자 및 관련 연구에 참고할 수 있는 기초자료를 제공하였다. 하지만 향후 연구에서는 이 연구에서 다루지 못한 변수들의 연구를 통해 학문적 발전에 기여해야 할 것이고, 다양한 비대면 공연을 대상으로 한 연구가 지속적으로 이루어져야 할 것이다.

• 복식문화연구
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• 제16권5호
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• pp.963-978
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• 2008

This study examined the images and formative features of female characters portrayed in fantasy films. This study aimed at providing an applicable theory to modern fashion by reconsidering the images of women appearing in fantasy films and arranging fantastical features reflected in costumes of female characters. The followings were the results of the study: The first divine nature that human beings discovered was woman nature. The discovered stone worked of the prehistoric age had a meaning of the great mother of universe and expressed a positive image. Such positive images of the goddess were variously differentiated to negative images or reduced in their roles and meanings in the settlement process of patriarchy as well as sociocultural transition. The foremost examples of negative image were expressed as grotesque, destructive, otherness, sensual, and exotic. The positive image of a goddess in fantasy films was not especially emphasized. On the other hand, the negative images of the goddess and the case of costumes were variously expressed as well as emphasized the typicality of the negative image of the characters. It was reconsidered that the typical features of characters in fantasy films were a result of the image of women following sociocultural transition. In addition, it was confirmed that such result was being reflected in film costume.

• 한국의류학회지
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• 제29권3_4호
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• pp.391-402
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• 2005

Tile purposes of this study were to find out any significant relations among body image, needs for body modification, self concept, and some selected clothing behaviors of two age group females using social comparison theory as the research background. The sampling method was a convenient sampling, and the subjects were 56 females aged from 20 to 24 years and 54 females aged from 40 to 49 years. The quasi-experiment and survey were conducted from May 1 to June 30, 2002. The results of tile study were as follows. First, the perceptual body image is more important than measured body size and ideal body size in body image. Apart from measurement instrument, people who perceived slim had higher self concept, exhibition and conformity of clothing. Second, there were significant differences between the two age groups(twenties and forties) in needs for plastic modification, self concepts and clothing behaviors. The younger age group exhibited higher need for modification than the older age group and the younger group also showed higher self concept, higher interests in clothing and fashion, more exhibition tendency and conformity to clothing.

• International Journal of Costume and Fashion
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• 제15권1호
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• pp.1-18
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• 2015

The ethnic dress of Germany's Black Forest, called Tracht, dates back to the 16th century. Although most people living within the Black Forest do not presently wear Trachten, some persistence in this tradition exists. This study explored the factors that have supported the persistence of the Trachten tradition, specifically related to the wearing and crafting of Trachten by women, in a contemporary society. A qualitative, ethnographic approach was adopted. Data were collected via observations and interviews in the Black Forest. Thematic analyses revealed that the maintenance of the Trachten tradition was linked to varied factors that revolved around the overarching themes of both persistence and change. Interpretations were supported by theory proposing that ethnic dress is not static, but rather, changes across space and time in ways that enable its persistence. The persistence of the Trachten tradition was linked to formalized practice, meaningful identities, and desires to preserve and promote local culture. Additionally, the persistence of the Trachten tradition was fostered by change in the tradition, including the conceptualization of Trachten as a "lived practice" and the negotiation of Trachten authenticity.

• 복식문화연구
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• 제17권3호
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• pp.484-498
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• 2009

The purpose of this study is to explore the applicability of QFD to product development of clothes by empirically applying it to development of a specific clothes, middle and elderly women’s formal knitwear. The voices of customers(VOCs) for formal knitwear was collected through in-depth interviews with 25 customers, shop masters, and designers. Also, questionnaires of which respondents were 230 customers were used to rank the importance of the items of VOC. A QFD team of 10 knitwear experts implemented the task of translating VOCs into design attributes and measuring the values of the relationships between VOCs and design attributes. Importance ranking of the items of design attributes was obtained based on Lyman's method. The results of this study were as follows. First, the customer requirements for formal knitwear were classified into five dimensions, that is, symbolism, aesthetic, fitness, usefulness, and maintenance. Second, the descending order of the necessity of improving the quality was maintenance, aesthetic, fitness, usefulness, and symbolism. Third, three-staged design attributes were obtained as a result of translating of VOCs into design attributes. Lastly, the descending order of the importance of design attributes was "sorts of yarn", "sorts of color jacquard", "color", "tone", "ease", etc.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1991년도 하계학술대회 논문집
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• pp.47-50
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• 1991

LPM(Linear Pulse Motor) provide direct and precise position control of bidirectional linear motion. LPM is not subject to the same linear velocity and acceleration limitations inherent in systems converting rotary to linear motion such as lead screws, rack and pinion, belt and pulley drives. With LPM, all the thrust force generated by the motor is efficiently applied directly to the load. And speed, distance, and acceleration are easily programmed in a highly repeatable fashion. Potential industrial and application fields of LPM include PCB assembly, industrial sewing machines, automatic inspection, coil winder, medical uses, conveyer system, laser cut and trim systems, semiconductor wafer processing, OA instruments etc. This paper describes various design parameter of LPM such as magnetic ciucuit construction methods, phase number and tooth number per pole, permanent magnet and coil mmf, tooth geometries. And to solve the problems of existing control methods, in this paper, a new control method of the LPM is proposed throughout modern control theory.

• 한국실내디자인학회논문집
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• 제15권5호
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• pp.265-272
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• 2006

Traditionally exhibition design as been restricted to architectural, interior, and lighting design, but recently it has begun to overlap into environmental, performance, and installation art. Exhibition design also increasingly involves the application of film, fashion, and the new media. In the past, exhibits were arranged and displayed for the visitor to view directly, but with the development of more effective exhibit media a connection has been created between the exhibit and the visitor. However exhibition design has reached the limits of continuous growth without background theory, when now it must take Into consideration the museum's activation and the importance of the exhibition's design. Exhibition design has developed and grown rapidly since the Taejeon Expo in 1993, but it is a difficult development without a theoretical structure. The flow of exhibition design must be systemized, as the systemization of the transition process of exhibition design has not yet been achieved. This study aims to present an arrangement of exhibition design flow, and to investigate the variation factors in the transition process of exhibition design and exhibit medium development, based on the 18 year history of the Independence Hall that introduced the first systematic planning of an exhibition in 1987.