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컴퓨터 및 IT 업종의 인터넷 광고copy 이미지스케일 구축에 관한 연구
홍원의(Won Hui Hong),곽영식(Youngsik Kwak),홍재원(Jae Won Hong) 한국정보기술학회 2008 한국정보기술학회논문지 Vol.6 No.3
This research objective is to develop the Copy Image Scale for internet advertising for computer and IT industries. Based on the copy adjectives from internet advertising from these two industries, the researchers find out 69 adjectives in 2007. Using network analysis and centrality measurement, we find out 10 main adjectives for computer and IT industries on on-line advertising. We apply these 10 adjectives to multi-dimensional scaling method, Finally, we can identify the Online Copy Image Scale for internet advertising for computer and IT industries.
건물 내 압전발전시스템 적용을 위한 계단 이용자의 통행 분포도 분석에 관한 연구
이미희(Mi Hui Yi),나욱정(Wook-Jeong Na),전규엽(Gyu-Yeob Jeon),홍원화(Won-Hwa Hong) 대한설비공학회 2011 대한설비공학회 학술발표대회논문집 Vol.2011 No.7
Piezoelectric energy harvesting system generated by human walk is well developing by 2times a year. In these circumstances, the lack of study on human behavior in buildings results in the low generating efficiency. Therefore, this study has been conducted to analyze the trip distribution chart of the pedestrians walking on the stairs as one of the most frequently used space in buildings. By studying on the trip distribution, it has been found that the pedestrians tend to walk along the inner part of the stairs. However, it should be considered that the pedestrians avoid the innermost part of the stairs when establish the piezoelectric energy harvesting system on stairs.
건물 내 계단에서의 통행특성 관찰을 통한 압전 발전량 예측에 관한 연구
이미희(Yi Mi-Hui),나욱정(Na Wook-Jung),홍원화(Hong Won-Hwa),전규엽(Jeon Gyu-Yeob) 대한건축학회 2011 대한건축학회논문집 Vol.27 No.9
Piezoelectric energy harvesting generated by ground reaction force of pedestrian is one of the human-powered energy systems and grows rapidly. Under the circumstances, mechanical issues and the problems about planning and design, which have never been studied, should be treated simultaneously to develop the efficiency of the new technology. Therefore, this paper conducts an experimental study on where to install and how much energy can be generated by the piezoelectric generator on stairs. Firstly, the distribution of pedestrian walking on 3 types-straight, return and spiral stairs-of stairs are analyzed. The number of pedestrians are estimated by calculating the number of steps by a zone which is divided into same size of 30cm × 30㎝. As a result, it shows a large distribution in the middle of the stairs in case of straight and spiral stairs. In case of the return stairs, it shows a large distribution not in the middle, but inside of the stairs. After observing pedestrian walking characteristics by the walking distribution, we estimate the electricity generation by the number of the devices installed on the stairs. According to the estimation, the less devices installed, the less total generation made. However, the generation by a device grows 1.6∼1.9 times when assumed that only one device is installed on the most high density zone in scenario 4 comparing to scenario 1.
복도 내 압전발전장치 도입을 위한 통행특성 관찰 및 시지각적 동선유도 효과에 관한 연구
김인호(Kim In-Ho),이미희(Yi Mi-Hui),나욱정(Na,Wook-Jung),최준호(Choi Jun-Ho),전규엽(Jeon Gyu-Yeob),홍원화(Hong Won-Hwa) 한국건축친환경설비학회 2011 한국건축친환경설비학회 학술발표대회 논문집 Vol.2011 No.10
Despite the many advantages, human-powered energy harvesting systems using the piezoelectric generator has not been highly utilized as a next energy generation source due to the high initial investment cost. Therefore, improving the efficiency of the systems in the planning step is needed to shorten the payback period. In this paper, we made a walking distribution chart by observing the pedestrian walking characteristic of the passers-by in corridor and studied the improvement effect of Visual Perception Effect. To conduct the experiment, we divided the corridor into 9 zones and analyzed the records of the locations of passers-by which the CCTV camera had recorded. As a result of survey, we found out the highest distribution has been shown on zone 6 in normal cases, and others showed a similar distribution graph except zone 1 & 9. In case of that we utilized the Visual Perception Effect on zone 3 & 7, each passage distribution has been increased by 133% and 7%. We found out that it has an effect to increase 68% electricity generation amount than normal case in the sum of annual electricity generation when we applied the Visual Perception Effect on zone 3 & 7.