In this study, a smart skin system that combines SPD (suspended particle display) and LGG (Lighting Guide Glass) and its optimal control method was developed for the purpose of simultaneously reducing the lighting load and cooling load in office buildings. And a demonstration site was built to test the results. The demonstration site was constructed as an experimental group with a smart skin system installed and a control group with a general window system installed. When the cooling energy consumption of the experimental group to which the smart skin system was applied was reduced by about 36.9% compared to the control group, the lighting energy was also reduced by 54.4%.

트랙터의 보급이 늘어나는 만큼 올바른 사용법 및 점검이 중요하다. 특히 타이어 공기압에 따른 토양다짐 현상, 연료의 과소비, 안전사고를 예방하기 위해 간편한 측정기술이 필요하다. 따라서 본 연구에서는 대중적 모바일 영상 취득 장치인 스마트폰 카메라를 활용해 획득한 이미지 데이터로 타이어 압력을 예측하였다. 전통적 캘리브레이션을 응용하여 왜곡률을 보정하였다. 트랙터 타이어에 공기압을 0 kPa에서 300 kPa까지 주입하면서 구간별 타이어 촬영을 하였으며, 타이어 중심을 기준으로 상, 하, 좌, 우의 픽셀을 측정하였다. 하중을 받는 타이어의 기하학적 특성을 고려하여 중심과 바닥의 픽셀을 보정식을 통해 보정한 뒤 압력에 따른 픽셀의 변화를 도출하였다.

PURPOSES : In this study, the causality between smart parking user services and its satisfaction level was analyzed statistically, and a smart parking priority decision model was established in terms of the user side. METHODS :The results of the Daegu Metropolitan City survey for the parking state, parking fee, transfer, convenience of use, facilities, and safety that could influence smart parking user satisfaction were used. A structural equation model in SPSS 26 and AMOS 26 programs that facilitates hypothesis testing and importance factor analysis between observed and latent variables was used. RESULTS : The results demonstrated that the importance factor loading on smart parking user services was in the following order: convenience of use (0.996), parking facilities (0.814), safety (0.803), parking information (0.706), transfer (0.618), and parking fee (0.426). Among them, the parking fee was not quite influential in decision making. CONCLUSIONS : The most influential user service on smart parking information systems was the convenience of use, in which congestion in parking lots and parking time were the most influential variables. The most influential variables were in the following order: in parking facilities, the route design of vehicle flow and size of the parking garage; in safety, the entrance location and the level of wear; in the parking state, the availability of parking space and parking fees; and finally in transfer, the convenience of transfer to other modes and the number of transfer parking lots.

Smart farm is a high-tech type of plant factory that artificially makes environmental conditions suitable for the growth of plants and manages them to automatically produce the desired plants regardless of seasons or space. This study was conducted by identifying the effects of Hertz and Duty ratio on the photosynthetic rate of ginseng, a medicinal crop, to find the optimal conditions for photosynthetic responses in smart farms. The light sources consisted of a total of 10 chambers using LED system, with 4 R+B (red+blue) mixed lights and 6 R+B+W (red+blue+white) mixed lights. In addition, the Hertz of the R+B mixed light was treated at 20, 60, 180, 540, 1620 and 4860 hz respectively. The R+B+W mixed light was treated with 60, 180, 540, and 1620 hz. Afterwards, experiments were conducted with the duty ratio of 30, 50, and 70%. As a result, the photosynthetic rate of ginseng according to duty ratio and Hertz was the highest at 60 hz when duty ratio was set to 50%. On the other hand, that was the lowest when the duty ratio was 30% at the same 60 hz. In addition, the photosynthetic rates were highest in the R+B mixed light and R+B+W mixed light at 60 hz. Therefore, the condition with the highest photosynthetic rate of ginseng in smart farms is 60 hz when the duty ratio in R+B mixed light is 50%.

본 연구의 목적은 배드민턴 동호회 활동을 조사하고 배드민턴 활동에서 발생하는 스포츠 상해를 예방하는 스마트 의류를 디자인 개발하는 것이다. 고령화 사회에서, 스포츠는 생활체육으로 친숙하게 접하고 있으며, 점차 동호회 형식으로 발달되고 있다. 배드민턴 동호회 활동은 많은 스포츠 상해가 있으며, 특히 높은 발생률을 보이는 발목 부상은 스포츠 참여를 방해하는 심각한 문제로 대두되고 있다. 그러므로 본 연구는 발목 부상을 포함한 스포츠 상해를 예방 하는 스마트의류의 디자인 프로토타입을 제안하는 것을 목표로 하였다. 첫째, 배드민턴 동호인들의 특성 및 고려사항, 그리고 스포츠 부상을 예방하기 위한 스마트 의류의 구성요소를 도출하였다. 둘째, 배드민턴 동호인들과 엘리트 배드민턴 선수, 전문가의 대상으로 스마트의류 사용에 따른 문제 및 사용자 평가들을 고찰하였다. 셋째, 선행연구와 사용자 평가 항목들을 통하여 스마트의류의 사용 시나리오를 도출하였다. 넷째, 발목 상해를 포함한 스포츠 상해를 방지하는 스마트의류 프로토타입을 사용 시나리오를 기반으로 제안하였다. 본 연구에서 제안된 스마트의류를 통하여, 스포츠 상해 예방에 도움이 필요한 배드민턴 동호인들은 스마트 단말기를 통해서 그들의 상해와 건강 상태를 가상 게임의 아바타로 모니터링이 가능하다. 이러한 가상 게임 시스템은 스포츠의 상해 및 건강에 관련한 정보에 접근을 용이하게 한다. 따라서 이와 같은 스포츠용 스마트의류는 배드민턴 동호인들의 부상을 예방하고 스스로 재검토를 가능하게 한다. 본 연구는 스포츠 상해를 예방하거나 스포츠 활동 또는 생체 신호 모니터링 하는 스마트의류 디자인 시에도 활용될 수 있다.

The objective of this study is to develop education programs for cultivating smart aquaculture experts through a education demand survey of industries, high school students, university (graduate) students and field workers. The industry demand analysis was conducted as an in-depth interview on representives from seven companies. Education demand surveys were conducted on 96 students and field workers in the Jeonnam region. Results on the demand survey were analyzed using frequency analysis and cross-analysis. The company representatives responded that they want to participated in internship and retraining programs to proactively secure manpowers with convergence capabilities about smart aquaculture. Seven companies preferred manpowers with basic competencies on ICT (Information and Communications Technologies) or aquaculture. The most respondents in the demand survey want to participate in the education program for experience on advanced technology, self-development and enhancement of work capability. On the other hand, some respondents said that the education is time-consuming and that the education program does not fit their level. Thus, the education program should be developed in a way to minimize the spatial and temporal limitations of education targets and to improve understanding of non-majors by reflecting the demands of human resources in the industrial field.