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윤차영(Yun, Cha Young),이원준(Lee, Won Jun),박제영(Park, Je Young),이득행(Lee, Deuk Hang) 한국콘크리트학회 2021 한국콘크리트학회 학술대회 논문집 Vol.33 No.2
이 연구에서는 최근 급격히 상승하고 있는 철근가격에 적절히 대응하기 위하여 세그먼트의 철근량을 줄일 수 있도록 고안되었으며, 3가지 철근상세에 대한 실대형 하중가력실험을 통하여 제안공법의 구조성능을 검증하였다. 실험결과, 세가지 형태의 실험체 모두 현행설계기준을 만족하였다. 그 중, 사다리형 철근상세를 적용한 실험체가 철근량이 감소함과 동시에 가장 뛰어난 성능을 보이는 것으로 나타났다. New shear reinforcement details were developed in this study for more economical application of precast segmental tunnel system, where existing typical stirrup, prefabricated-truss, and vierendeel truss were adopted. Full-scale loading tests were conducted on precast segment units with three different shear reinforcement details under a simply-supproted condition. Test results showed that all the specimens fully satisfied the structural performances required in current design code, and it also reveals that the segment specimen with vierendeel truss details can improve constructability and performance in terms of strength and deformational capacity compared to those with existing details.
인공지능 챗봇 활용이 글로벌 해사 물류 인력의 고도화에 미치는 영향
안택균,윤차영 한국국제상학회 2023 國際商學 Vol.38 No.2
Purpose: The purpose of this study is to measure the productivity and satisfaction of global maritime logistics personnel when using artificial intelligence chatbots as tools, and to enhance the utilization of artificial intelligence chatbots based on this. Research design, data, and methodology: This study was conducted among customers using a representative maritime e-logistics platform in Korea. In order to compare the changes in productivity and satisfaction experience of global maritime logistics personnel using A.I chatbots in the experimental and comparison groups, this study used Jamovi, a statistical analysis program, to confirm the homogeneity between the two groups through reliability tests and independent sample t-tests. Results: The results of the analysis confirmed that the chatbot-enabled service had a positive impact on the service experience of maritime logistics personnel using the e-logistics platform. In addition, the post-test results of the effectiveness verification showed that the positive experience of the A.I. chatbot in the experimental group was statistically significant and improved in all areas. This shows the possibility of evenly satisfying the cognitive, sensory, and emotional domains of maritime logistics personnel. Conclusions: This study, first, extends the research focused on simple services of E-logistics platforms to chatbot service experience; second, presents the components of chatbot service experience of E-logistics platforms through theoretical considerations; and third, demonstrates through empirical analysis that chatbot service is an important antecedent variable for the formation of satisfaction experience of E-logistics platforms and the upgrading of maritime logistics personnel.
브랜드이미지와 자아이미지가 제품 선택시 미치는 영향에 관한 연구
김영일,윤차영,김현종 한국산학경영학회 2004 산학경영연구 Vol.17 No.1
브랜드 이미지와 자아이미지가 제품구매 선호에 어떠한 영향을 미치는가를 살펴 본 결과 브랜드 이미지는 제품의 물적 속성과 상징적 의미를 공유하였으며 이러한 상징은 구매하는 사람의 의미를 다른 사람에게 커뮤니케이션 하는 역할이 될 수 있는 것으로 나타났다. 또한 개성을 갖기도 하는데 특히 소비자들의 기억 속에 자리 잡은 브랜드이미지는 구매의사결정 과정 중 대안 평가 단계에 영향을 미침으로써 지속적·반복적 구매 여부의 결정 요인이 되고 있다. 브랜드는 제품의 물적 속성과 아울러 상징적 의미에 의해 그 이미지가 형성되며 제품이 상징적 의미로 사용될 경우에는 그 물적 특성보다는 소비자의 가치 체계가 더 많이 작용한다. 제품 자체가 상징적 의미로 사용될 때 브랜드이미지의 형성은 소비자의 가치체계에 초점을 맞춤으로써 효과적으로 소비자에게 소구 할 수 있을 것으로 판단된다. 소비자의 가치체계·준거의 틀로서의 자아이미지는 스스로에 대한 주관적이고 객관적인 지각이며 소비자와 관련하여 의식적 혹은 무의식적으로 또는 적극적·소극적으로 자아이미지를 유지 고양하기 위해 노력하는데 이는 소비자의 구매의사 결정 과정에서 자아이미지가 영향을 미친다는 것을 의미한다. In modern society, there exists a growing tendency that the product image, rather than the substance of the product, is given more and more emphasis. In other words, consumers tend to purchase a product whose brand image coincides with their self image. Today, it is one of the essential factors for marketing strategy of a modern enterprise to have brand image perceived by consumer self-image. The image, by affecting the perception of consumers, explains the reason why some consumers choose one brand out of many brands that are available to them. Furthermore, brand-image perceived by consumers becomes more important factor in improving the company's market share. For this research, we investigated the theoretical background based on previous studies and collected statistical data through a market survey. The results of the actual research indicate that the attributes of the images differ notably depending upon demographic attributes; that the brand image judged by a customer is positively correlated to the customer's self image; and that the regression analysis of the purchase intention in accordance with coincidence of independent variables proved to be insignificant. But the correlation analysis of the variables shows that the sensuous image of a perceived brand image product notable differences in the purchase intention. Most of Consumers tend to prefer certain brand of causal wears in accordance with their cognized brand-image and self-image: social self-image and actual self-image. Corporate must not spare any effort to establish differential advantage through better image or changing image. Also marketers have to identify the strengths and weakness of their brand in relation to the competition in setting up their brand management strategy. In conclusion, the outcomes of the study suggest that the consumers purchase the images of the brands, rather than the products themselves. Accordingly, in the clothes markets with similar quality levels, the emphasis should be put on differentiation of the brand images in order to further increase sales and maximize profits.