• 패션비즈니스
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• 제14권4호
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• pp.161-173
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• 2010

This study aims to examine for efficient production methods of custom-tailored clothing and application of 3D virtual clothing system in custom-tailored clothing market, by producing and analyzing both real clothing and 3D virtual clothing. For this study, a middle-aged woman is selected as the subject figure and one-piece is selected as the experimental clothes item. In real clothing, I conducted the wearing evaluation for experts and the subject figure. And In the virtual clothing, I conducted the wearing evaluation with i-Designer using 3D virtual clothing on simulation program. There are some differences between the data from body scanning and the real body size. In the custom-tailored clothing market in which the fitness is important, the research which measures the more exact data is needed. And in the case of complicate design, the functions which measure the activity and the fitness variously and correct the parts of curves are needed. This study experiments the availability of application of 3D Virtual Clothing System in custom-tailored clothing market by selecting one-piece as the experimental clothes item. So the follow-up studies for the other designs and fabrics are needed. Also, if the studies for checking the clothes pressure, the amount of composure, the space between skin and clothing when the virtual model wearing clothes is walking or shaking his arms are proceeding, then 3D virtual clothing System is applicable in custom-tailored clothing market. But there are some restrictions and lack of education in virtual clothing System yet, and it makes hard for workers in clothing market to use it in real production. However, 3D virtual clothing System will be practical in real market if there would be more research on its usability and practicality, and workers in clothing market can be easily educated on techniques of 3D virtual clothing system.

• 한국의류학회지
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• 제27권9_10호
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• pp.1112-1123
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• 2003

This study is designed for improving wearing styles for middle-aged women who are in unsatisfactory body types and also providing the basic information about the suitable clothing designs for them. This study focuses on what kinds of body types they perceive, what the differences are between the perception of their body types and the real ones, and how the actual clothing styles can be affected by those perceived body types. This study is based on the survey of the perception of body types, the clothing styles, and the satisfaction level of body cathexis, while measuring body size of each person responded. The data were analyzed by Mean, ANOVA, Duncan-test of SPSS Win. (ver 10.1)program. The results are as follows: 1. The perception of their body types can be categorized into three clusters, the obesity, the arm & leg obesity, the slender. 2. By and large, Middle-aged women perceive their body types exactly what they we. However, they show a relatively subjective view on the upper arm girth, ankle girth, and arm length 3. The abdomen is at the lowest satisfactory part in body cathexis for the entire groups responded, and there are some differences among the perception of their body types in whole body silhouette and trunk. 4. Middle-aged women who perceive themselves as a bit slender show a tendency of having tight and revealing clothing styles, while the obese who perceived themselves wouldn't take them as appropriate dresses.

• 복식문화연구
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• 제30권3호
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• pp.429-443
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• 2022

The purpose of this study is to verify how similar the virtual fit pants are to the actual fit of stretchable pants. Data is produced using a virtual model to apply movements. The results show that in the upright position, the similarity between the appearance of the actual fit and the virtual fit is high. Results are 4.47, 4.13 and 4.33 out of 5 on the front, side, and back, respectively. The base line of the front and back, and the amount of allowance in each part were well reproduced by the model. The texture of the virtual fit was evaluated and found to be similar to the actual fabric. In terms of shape and number of wrinkles with the virtual fit pants, large wrinkles were better expressed than fine wrinkles. After applying movements to the virtual model, the front and side results were similar to the actual fit, but the back results were different. As a result of multiple comparisons, the greatest difference in similarity by movements is found in the center front line. The similarity difference was lower on the side than on the front. The only significant difference after applying movements is in the hip circumference margin. According to movements, the similarity of virtual fit is lower on the back than on the front and side, and the back also has the largest similarity differences to the movements type.

• 전력전자학회논문지
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• 제11권2호
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• pp.113-119
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• 2006

본 논문은 CTDP 기법을 이용한 다양한 역기전력을 갖는 BLDCM(Brushless DC Motor)의 토크특성에 대하여 연구하였다. 상전환 및 상전환 시점에 의한 토크맥동을 개선하기 위한 CDTP 기법을 제안하였다. 이를 위하여 Hague의 해석방법에 따른 실제 역기전력을 갖는 BLDCM의 제어에 적용하였으며 이때 실제 역기전력은 착자의 가장자리 지수와 평탄구간에 의해 발생된다. 이의 검증을 위하여 시뮬레이션 및 실험을 통하여 제안한 방식을 이용한 토크맥동 저감방법의 타당성을 살펴보았다.

• 한국항해항만학회:학술대회논문집
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• 한국항해항만학회 2022년도 추계학술대회
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• pp.174-175
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• 2022

첨단 항해장비가 대부분의 선박에 보급된 바 있으나, 선박충돌사고는 줄어들지 않고 있으며, 전체사고의 10-20% 정도가 충돌사고이며, 이중 90% 이상이 운항과실로 인하여 발생하고 있다. 과거 허베이스피리트호 사고에서 보듯이 선박충돌사고는 대형 오염사고로 확대될 우려가 있으므로, 대책수립 등을 위한 원인분석 기술이 매우 중요하다. 한편, 소형선 사고가 전체 사고의 60% 이상을 차지할 정도로 중요하며, 어선 등 소형선 사고의 경우, AIS나 V-PASS가 미장착 되었거나 고장 등으로 인하여 운항데이터가 없는 경우, 그 원인을 파악하는데 문제가 될 수 있다. 이를 해결하기 위하여, 사고 선박 내 운항데이터가 없는 경우, VTS 레이더를 이용하여 사고를 분석할 수 있는 레이더 기반 선박충돌사고재현시스템 및 원인분석 기술을 개발하였다. 이를 검증하기 위하여, 실제 사고사례에 대하여 VTS 레이더 데이터를 수집하였고, 본 레이더 기반 선박충돌사고 재현시스템을 이용하여 사고재현 및 회피 시뮬레이션을 수행하였다. 특히, 사고 재현시 운항과실 확인을 위한 선박충돌위험도 평가와 함께 사고당시 회피가 가능했는지 여부를 확인하기 위한 피항 가능성 평가를 병행하여 수행하였다. 본 논문에서는 레이더 기반 선박충돌사고 재현시스템의 특징과 실제 사고사례에 대한 레이더 기반 선박충돌 사고재현 및 피항가능성 평가 결과에 대해 소개한다.

• 한국의상디자인학회지
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• 제16권3호
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• pp.1-13
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• 2014

This study investigated body type among women in their 20s and the development of prototypes for tailored jackets by body type in order to design clothes in consideration of an imbalance in body type caused by the popularity of portable devices such as smartphones and Netbooks. This study aims to create a design of jacket patterns by body type through both actual and virtual wear testing among women in their 20s, who are the major consumer of ready-made clothes and are very sensitive to size fit. This study will provide pattern information for the manufacture of jackets with a goal of securing the latest scientific body type information and establish the grounds for a research method in the manufacture of clothes. According to actual and virtual wear tests of four different body types, a significant difference was found in armhole circumference in most types because it was scanned with the arms slightly apart to prevent the armhole area from being missed during the 3D scanning. This has resulted in a slight distortion in measurements. To correct this problem, it is necessary to verify the precision of the body scanner and its program. In categories in which a large significant difference was found, it is necessary to test them against many subjects. In addition, it would be required to perform a further study on the 3D virtual wear system, which could be useful in the clothing industry.

• 패션비즈니스
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• 제21권5호
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• pp.91-108
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• 2017

Interests in 3D virtual clothing technology and its application in online shopping malls are increasing with the advent of the Fourth Industrial Revolution. Most studies on 3D virtual clothing, however, are focused on observing drapes or ease of virtual clothing depending on fabric properties of representative clothing items. Therefore, the purpose of this study is: first, to determine if current input of typical material characteristics in 3D CLO are sufficient to formulate virtual skirts with different front and back silhouettes; second, to determine if subjective appearance evaluation matched physical shape characteristics of those skirts. In this study, appearances of typical cotton, wool, silk, rayon, and polyester skirts with different front and back pattern were compared between actual and virtual clothing depending on fabric materials. Subjective appearance evaluation was conducted by 7 experts regarding similarity between actual and virtual clothing with a 5-point scale. For objective evaluation of the both types of skirt shape, degree of roundness at the cross section, displacement of side seam, position of back waistline, and the number of folds at the skirt back were observed. In the case of cotton and wool, not the subjective appearance evaluation as well as shape characteristics of virtual skirts were well matched to the actual shape of skirts with a few material inputs. However, current material inputs for silk, rayon and polyester were insufficient to cover material differences in formation of virtual skirts with different front and back silhouettes.

• 한국컴퓨터정보학회논문지
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• 제25권5호
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• pp.107-116
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• 2020

본 연구에서는 교육용 2개와 산업체용 2개의 남성 바지 패턴을 비교하여 중년남성의 체형에 가장 적합한 패턴제도법을 분석함으로써 맞음새가 우수한 중년남성 의복제작에 필요한 기초자료를 제공하고자 하였다. 가상착의에 대한 외관평가 결과, J패턴이 대부분의 항목에서 가장 우수한 것으로 평가되었으며, H패턴이 가장 부적합한 것으로 분석되었다. 공극량을 측정한 결과, 허리둘레 부분은 4개 패턴 모두 공극량이 매우 작은 것으로 평가되었고, 바지통은 J패턴이 가장 공극량이 작은 것으로 나타났다. 가상착의 외관평가, 색분포도, 단면도, 공극률 등을 종합한 결과, 중년남성의 체형에 J패턴이 가장 맞는 패턴이었다. 그러나 J패턴의 경우에도 바지길이에 대한 수정이 필요할 것으로 분석되었다. 본 연구는 교육용 2개와 산업체용 2개의 패턴만을 비교 분석하였으므로 J패턴을 중심으로 하여 실제 착의실험을 통한 중년남성용 바지 원형 개발이 필요할 것으로 생각된다.

• 한국의류학회지
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• 제43권3호
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• pp.440-458
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• 2019

Based on a 3D body data and pattern comparison analysis, this study developed a formal jacket pattern for men in their late 30s. In order to select the representative type of men in their late 30s, factor analysis and cluster analysis were conducted on data form 319 men, 35 to 39 years old using the anthropometric data from The 7th Size Korea (2015) as the representative body type. The surface of the body surface was developed using a 3D human shape of a male in his 30s in The 6th Size Korea (2010). Then the shape was changed to a flat pattern that confirmed the necessary elements for setting the shape and dimension. Cluster analysis revealed type B as the representative type because it showed the best shape characteristics for men in the late 30s. The drafting method of the final research pattern is as follows. Jacket length: stature/2.5cm, back length: stature/5+8.5cm (constant)], armhole depth: [stature/ 7-1.5cm (constant)], back width: [C/9+9.5cm (constant)]+1cm (ease), front width: [C/9+8.5cm (constant)]+1cm (ease), armscye depth: C/8, front waist darts: 1cm, front closure amount: 2cm.

• 한국의류산업학회지
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• 제23권6호
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• pp.826-835
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• 2021

The purpose of this study was to compare the similarity between actual and virtual pants using a virtual 3D CLO program. A subject corresponding to the average size of a women in her twenties was selected and an avatar with the same specifications was produced. Silhouettes of the pants were classified into trousers, slacks, and wide pants and images of actual and virtual pants were evaluated from the front, side, and back. The results were as follows: Overall, the resemblance of the trousers was evaluated higher than that of other pants. The average similarity of trousers was 4.20 at the front, 3.98 at the side, and 4.17 at the back, which was much like the actual clothing. In contrast, that of the slacks was 3.62, 3.73, and 3.79 and of the wide pants was 3.81, 3.53, and 3.97. The similarity between the actual and virtual clothing was relatively well reproduced when the shape of the pants was like the silhouette of the human body. However, if the pants were tight or loose, virtual fits failed to display the wrinkles caused by the tightness or the excessive slack. The virtual fit showed fewer wrinkles and did not depict the location and the shape of hemlines as accurately as the actual fit, although virtual fits adequately displayed the baseline and dart on the pants.