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AR 체험 전시공간의 스토리텔링과 어포던스 디자인의 영향관계
장윤희(Jang, Yun-Hee),한혜련(Han, Hae-Ryon) 한국실내디자인학회 2024 한국실내디자인학회 학술대회논문집 Vol.26 No.1
Today, the exhibition space introduced with augmented reality technology provides a rich and immersive experience. Storytelling is important to convey the story of the exhibition well to the user. Technological development is also important in an emotional consumption culture, but content and storytelling have a great influence on user experience. In order for storytelling to be smooth, it must be good at inducing user behavior. In this study, the influence relationship between affordance design and storytelling that induce users to act certain actions is discussed, and suggestions for reinforcing storytelling in the AR experience exhibition space are made. As a research method, the characteristics of affordance are derived by reviewing the affordance study of Rex Hartson (H.R.), and a checklist by connecting the characteristics of storytelling through previous studies. The case is selected at the exhibition hall in Seoul, where the AR experience content is introduced, and then the experience is shown to the expert group and questioned based on the checklist. The survey results are analyzed and conclusions are drawn. As a result, it was concluded that cognitive affordance and sensory affordance simultaneously influence storytelling later on. To this end, not only visual elements but also experiential devices provided in the exhibition hall and whether or not monitors are installed are important. In the follow-up study, it is expected that through in-depth research on storytelling, the development method of storytelling can be studied to establish a strategy to strengthen storytelling in exhibition spaces with AR experience contents.
전시컨벤션센터 서비스스케이프가 참관객만족과 행동의도에 미치는 영향 -aT 센터를 대상으로-
장윤희 ( Yun Hee Jang ) 한국이벤트컨벤션학회 2015 이벤트 컨벤션 연구 Vol.11 No.2
The purpose of this study is investigate the impact of the servicescape on exhibition attendees`` satisfaction and behavioral intentions in exhibition & convention center. It is hypothesized that perceived quality of convention center``s servicescape will have a positive impact on exhibition attendees`` satisfaction and the behavioral intention. For this study purpose, total 106 data were collected from exhibition attendees who participated the ``Korea Pet show`` held in aT center. SPSS ver. 12.0 was used to analyze the data and descriptive and regression analysis were used. The result of an exploratory factor analysis revealed five internal environment factors and two external environment factors. Among those factors, four internal factors (cleanliness, pleasantness, facility aesthetics, internal accessibility) and one external factor(attractiveness) had a positive effect on exhibition attendees`` satisfaction and their revisit and recommendation intentions.
거부권 그룹을 포함한 PBFT 기반 블록체인 합의 방식 개선
장윤희(Yun-Hee Jang),이상현(Sang-Hyun Lee),최수혁(Su-Hyuk Choi),김형중(Hyoung-Joong Kim) 한국디지털콘텐츠학회 2020 한국디지털콘텐츠학회논문지 Vol.21 No.1
Blockchain, which currently adopts a popular consensus, has problems of slow transaction processing speed and finality uncertainty, making it difficult to adopt blockchain technology in industries that try to introduce blockchain. In this paper, we propose a consensus algorithm that improves the problems of blockchain mentioned earlier by designing it from the viewpoint of finality certainty and safety guarantee as well as improved processing speed. The way we are suggesting is a new PBFT-based consensus that adds the Veto group, which excercise veto power. To verify the validity of the proposed consensus mechanism, we conducted comparison experiments with the Istanbul BFT and the one by the number of nodes. The conducted comparison experiments showed significant results that the proposed consensus mechanism was improved.
비화학양론적 전구체 조성 조절을 통한 페로브스카이트 태양전지의 개방전압 향상
윤희선(Hee-Sun Yun),장윤희(Yoon Hee Jang),이도권(Doh-Kwon Lee) 한국태양광발전학회 2018 Current Photovoltaic Research Vol.6 No.1
The interest in perovskite solar cells has been skyrocketed owing to their rapid progress in efficiency in recent years. Here, we report the effect of non-stoichiometry in the methylammonium lead trihalide (MAPbI₃) precursors used in a solution process with different MAI : PbI₂ ratios of 1 : 0.96, 1 : 1.10, 1 : 1.15, and 1:1.20. With an increase in the PbI₂ content, the PbI₂ secondary phase was found to form at grain boundary region of perovskite thin films, as evidenced by X-ray diffraction (XRD) and scanning electron microscopy (SEM). In terms of device performance, open-circuit voltage in particular is significantly improved with increasing the molar ratio of PbI₂, which is possibly ascribed to the reduction in recombination sites at grain boundary of perovskite and hence the prolonged life time of light-generated carriers according to the reported. As a result, the PbI₂-excess devices exhibited a higher power conversion efficiency compared to the MAI-excess ones.