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윤형철(Hyungchul Yoon),양유영(Youyoung Yang),이현재(Henzeh Leeghim) 한국항공우주학회 2018 韓國航空宇宙學會誌 Vol.46 No.7
본 논문에서는 항공기 자동 공중급유를 위해 영상기반 상대 항법 시스템을 구현한다. 급유기와 피급유기는 프로브-드로그 방식의 공중급유를 가정하며 상대항법은 피급유기가 드로그에 대한 상대정보를 획득하며 진행한다. 드로그로부터 상대정보를 획득하기 위해 드로그 형태를 규정하고 IR카메라를 이용한 영상처리를 진행한다. 영상처리를 통해 얻은 드로그의 정보로부터 Gaussian Least Squares Differential Correction(GLSDC) 및 Levenberg-Marquardt(LM)을 이용한 상대항법을 진행하고 시뮬레이션을 통해 두 알고리즘의 분석을 수행한다. In this paper, a vision-based relative navigation system is addressed for autonomous aerial refueling. In the air-to-air refueling, it is assumed that the tanker has the drogue, and the receiver has the probe. To obtain the relative information from the drogue, a vision-based imaging technology by infra-red camera is applied. In this process, the relative information is obtained by using Gaussian Least Squares Differential Correction (GLSDC), and Levenberg-Marquadt(LM), where the drouge geometric information calculated through image processing is used. These two approaches proposed in this paper are analyzed through numerical simulations.
윤형철(Hyungchul Yoon),심태민(Taemin Shim),양유영(Youyoung Yang),이현재(Henzeh Leeghim),정정례(James Jung),방효충(Hyochoong Bang) 항공우주시스템공학회 2018 항공우주시스템공학회 학술대회 발표집 Vol.2018 No.11
본 논문에서는 항공기의 자동 공중급유를 위한 영상기반 상대 항법 시스템을 구현한다. 공중급유는 프로브-드로그 방식을 가정하고 피급유기가 영상센서를 통해 드로그에 대한 정보를 획득하며 상대 항법을 진행한다. 영상에서 드로그 인식을 위해 IR LED를 이용하여 드로그 형태 규정하며 IR 카메라를 통해 획득한 영상을 이용하여 영상처리를 진행한다. 영상처리를 통해 얻은 드로그의 정보는 Gaussian Least Squares Differential Correction(GLSDC) 및 Levenberg-Marquardt(LM)을 이용한 상대항법에 사용된다. 상대 항법 알고리즘을 통해 나온 결과는 INS/Vision 상대 항법 필터를 최종적으로 걸쳐서 결과 값을 도출한다. 시뮬레이션을 통해 전체 시스템의 성능을 검증하고 실험을 통해 구현 가능성을 분석한다.
카탈로그 쇼핑, TV 홈쇼핑, 인터넷 쇼핑에서 제공하는 의류제품에 대한 소비자의 인식
천종숙,양유영 한국의류학회 2000 한국의류학회지 Vol.24 No.8
The questionnaire survey was carried out to analyze the difference of consumer's perception on apparel products presented in catalog, cable TV home shopping program, and internet home shopping site. 676 men and 728 women participated in this survey and they were members of catalog shopping or cable TV home shopping companies or netizen. The results of this study show that the shoppers' perception on apparel home shopping differed by the direct shopping media that they frequently utilize and by their demographic characteristics. The cable TV home shoppers had higher reliability on product quality than the shoppers using paper catalog or the internet shoppers. The cable TV home shopping members perceived that the apparel products available in cable TV home shopping were diverse and the information about the products was sufficient to decide purchase. The married women tend to think that the TV home shopping program provides diverse apparel products in the aspects of color, design, size and the information about the materials including fabric.
천종숙,서동애,허지혜,최선희,양유영 연세대학교 생활과학연구소 1998 生活科學論集 Vol.12 No.-
This study was initiated to investigate the design and dress making techniques used for the reformed Korean traditional apparel. The researchers collected the data from 1997 fall and winter collections from five well known manufacturers. The results of the study were as followings: 1. The most apparent features of the reformed Jogori design was elimination of the fastening and adaptation of various neckline shapes devised during the Yi dynasty. Most men's Jogori had pockets at the waist. 2. The traditional Jogori construction designs remained were the center back seam, neckline shapes, front bodice extension, and neckline binding. 3. The traditional pattern cutting method for pants was still in use. However the waist and ankle closures were simplified. And the patch pockets were attached on the both sides of pants. 4. The skirt design was changed most. The waist length wrap skirt was closed at the front. The high-waist sleeveless one-piece dress was also included in skirt design. 5. The fabric used for the most of apparels collected for this study was 100% cotton.