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- 저자 : 임대영 ( Daeyoung Lim ) (검색결과 5 건)
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전도사를 활용한 발열 니트의 제조 및 발열특성에 관한 연구
권지현,임대영,Kwon, Jihyun,Lim, Daeyoung 한국섬유공학회 2022 한국섬유공학회지 Vol.59 No.5
In this study, the heating and electrode parts were knitted in one step using the intarsia technique while knitting heated knitted fabrics based on conductive yarn. The parallel structure possesses eight-line heating and electrode parts on both sides, which were designed to be knitted only with conductive yarn. Eight types of knitted fabrics were prepared based on the knitting principle and density of the electrode part, and their electrical and heating properties were considered. There was no issue of disconnection in the process of repeated and long-term experiments. The resistance along the course and wale directions of the electrode part knitted with high-density miss stitch was the lowest. When 6 V was applied, the heating temperature of knitted fabrics was maintained up to 62.7 ℃. The heating temperature could be controlled according to the voltage. In addition, the miss-stitch-based electrode structure with high density exhibited a smaller deviation in temperature than other structures, considering the center of the eight heating lines at 64.7 ℃ and the edge line at 53.5 ℃. Moreover, the heating rate was increased, and the time to reach the normal temperature was decreased. The knitting principle of the electrode part of the heating knitted fabric designed in this study more significantly affected the temperature change than the knitting density.
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김규연 ( Kyuyeon Kim ),김시연 ( Siyeon Kim ),임대영 ( Daeyoung Lim ),하지수 ( Jisoo Ha ),정원영 ( Wonyoung Jeong ) 한국의류산업학회 2021 한국의류산업학회지 Vol.23 No.2
This study aimed to examine the appearance of heated clothing in relation to fashion trends by analyzing con structive components of clothing using product images and actual products. A total of 91 images of domestic and foreign heated clothing products were collected, and a product analysis conducted with six parameters of item classification, namely, concept and image, silhouette, color, number of heating elements, and heating parts. In addition, an in-depth anal ysis was carried out with 11 products among them, while focusing on further detailed components of the design and heat ing system. As a result, the overall exterior design of domestic products has been changed from outdoor clothing to daily clothing reflecting the current design trend. Compared with domestic products, foreign products showed a diverse assort ment and a greater number of heating regions per individual item of clothing. The current heating system commonly con sists of a heating element, power source, controller board, and wires, although the existence and type of switches differed from product to product. To develop a more efficiently heated clothing to expand the market, the design, ease of use, safety, consumer preference, heating functionality, and durability should be considered. Along with design recom mendations for future heated clothing, this study also provides a practical guide to the technical aspects of the design of the components of heated clothing.
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김시연 ( Siyeon Kim ),정다희 ( Dahee Jung ),이주영 ( Joo-young Lee ),권지현 ( Jihyun Kwon ),임대영 ( Daeyoung Lim ),정원영 ( Wonyoung Jeong ) 한국의류산업학회 2021 한국의류산업학회지 Vol.23 No.3
Gait analysis trackers have been developed to monitor daily gait patterns to improve users’ running per formance and reduce the risk of injuries. A variety of gait analysis trackers are available on the market(e.g., foot pods, insoles). Depending on the type of gait analysis tracker, users’ discomfort or satisfaction as well as required properties may differ. Hence, the purpose of this study was to compare and analyze user experience of three different types of com mercial shoe-mounted gait analysis trackers and their mobile applications in a laboratory environment using ques tionnaires based on actual experiences of each product. Ten males and ten females who regularly enjoy walking and running exercises participated in the experiment. After the participants set up the tracker and application themselves without support from researchers, ten to thirty minutes’ exercise was permitted on each product. Following this, the par ticipants answered questionnaires containing evaluation variables on the device and mobile application, as well as sat isfaction, intention to use, recommendation, and purchase. In addition, they were asked questions about the attractive features and shortcomings of each device and application. The results showed that the PRO-SPECS® smart insole was preferred over the others for ease of use, perceived durability, psychological burden of the design, and usefulness of the information provided by the application. Along with the results of questionnaire, this study also discussed strategies and recommendations for future product design and development.
ScienceON
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