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Design and Implementation of an Interface Unit for Analysis of a CAN-Based Control System (CAN 기반 제어 시스템 분석을 위한 인터페이스 유닛 설계 및 구현)

  • Park, Byung-Ryuel;Jeong, Gu-Min;Ahn, Hyun-Sik;Kim, Do-Hyun
    • Proceedings of the KIEE Conference
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    • 2006.04a
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    • pp.195-197
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    • 2006
  • In this paper, an interface unit is designed to efficiently monitor transmission data in Controller Area Network(CAN)-based control systems. The CAN uses a serial multi master communication protocol that efficiently supports distributed real-time control with a very high level of data integrity, and communication speeds of up to 1Mbps. The interface unit is composed of a DSP controller which collects data on the CAN bus and transfers data to a personal computer via serial communication to save and display of interesting signals. The experimental system consists of three DSP controllers which represent electronic control units of a vehicle, an interface unit for analysing the data on the bus, and a graphic monitoring program coded on the Windows platform. The validity and the effectiveness of the proposed simple type of CAN interface unit are shown through the experimental results.

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A Study on Perception of Regional Food in Dae-gu Area (대구지역 향토음식의 인식도에 관한 연구 ― 대구 동인동 찜 갈비를 중심으로 ―)

  • Ko, Beom-Seok;Kang, Seok-Woo
    • Culinary science and hospitality research
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    • v.10 no.4
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    • pp.15-30
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    • 2004
  • The aim of the present study was to investigate the effect of Dong-In dong Steamed rib on recognition degree of a citizen for popularization and publicity of a local food. A total of 201 adults, 99 women and 102 men aged over the 20 years, participated in this study. The subjects were all from Dae gu city. This analyses of data were conducted by SPSS for WINDOWS, Version 10.0. First, Dong-In dong steamed rib in Dea gu was thought of as a local food. Second, the steamed rib was recognized as a local food with an international reputation. Third, there were no significant differences in preference, local area, recognition, standard and relation between the rib and other local foods. Therefore, the present findings present the needs of public information, development, preservation and success for internationalization of a local food with the national financial and political support.

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A Comparative Evaluation on the Thermal Insulation Performance of Windows according to the Temporary Improvement Method (창호의 단열성능 간이 개선방법의 비교 분석)

  • Lee, Sung-Jin;Kim, Jeong-Gook;Kim, Jonghun;Jeong, Hakgeun;Lee, Jin-Sook;Jang, Cheol-Yong
    • KIEAE Journal
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    • v.15 no.1
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    • pp.77-82
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    • 2015
  • The purpose of this study is to compare the thermal insulation performance of windows according to the formation of air layer and to evaluate its energy efficiency on a selected standard house. A thermal insulation test, KS F 2278 was used to measure U-values (Heat transmission coefficients) for the following three cases: the first case (Case 1) is a Low-E pair glass (Argon injected), the second case (Case 2) is a Low-E pair glass with the air cap attached on the glass surface, and the third case (Case 3) is a Low-E pair glass, on the frame of which the air cap is attached. The evaluation of the energy efficiency was conducted according to a building energy calculation method from ISO 13790, calculation of energy use for space heating and cooling, using the U-values obtained from the thermal insulation tests. As results of the tests, the U-values of Case 1, Case 2, and Case 3 were $1.668W/m^2{\cdot}K$, $1.568W/m^2{\cdot}K$, and $1.319W/m^2{\cdot}K$ respectively. The Case 2 had about 5.9% lower value than the Case 1, and the Case 3 had about 20.9% lower value than the Case 1. It seems that the thermal performance of the windows is attributed to an increase of the heat resistance and the thickness of air layer. An evaluation of the energy efficiency of the three cases on the selected standard house showed that the amount of heating energy demand per unit area was $7.776kWh/m^2{\cdot}yr$ for the Case $1,6.856kWh/m^2{\cdot}yr$ for the Case 2, and $4.856kWh/m^2{\cdot}yr$ for the Case 3. This study suggests that the formation of air layer (by using air cap) and its thickness should reduce the heat energy demand and thus improve the energy saving efficiency

A Study on the Modernized Application of Korean Traditional Architecture in Ecological Space Design -Centering on the Application of Windows and Doors- (생태학적 공간 디자인에 있어 한국 전통건축의 현대화 응용연구 - 문과 창호의 활용을 중심으로-)

  • 박규현;김민정
    • Archives of design research
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    • v.15 no.4
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    • pp.189-200
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    • 2002
  • Human beings at the beginning of the world have tried to gain mental and physical satisfaction from nature. However, as it became difficult to find such satisfaction in nature, an advanced civilization was created that confronted nature by developing a unique environment. In this process of confrontation, an ecological crisis occurred. As an alternative to solve this problem, there began interest in the ecological paradigm of many fields, and the domain of space design for living became the center of attention. Korean traditional architecture has ecological characteristics suitable for Koreas nature and climate. When discussing Korean traditional architecture from the viewpoint of an ecological paradigm, studies have been based on the understanding that it is the entire combination of structures existing with and as a part of a natural ecosystem rather than the use of independent and individual structures like that of Western architecture. In particular, Korean traditional windows and doors are examples of maintaining an ecological essence by accepting natural surroundings and have important meaning in the subject of ecological space design, but its unfortunate that theyre not utilized in contemporary Korean architecture. Focusing on these discrepancies, this study aims to make traditional windows and doors native to Korea the subject of discussion and to expand the area of study in Korean traditional architecture.

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An Empirical Study on the Management Performances of Korean Tourism Firms - Focusing on the Understanding and Preparation of Constituents against FTA Environment (한국 관광기업 조직 구성원의 FTA에 대한 이해/준비정도가 경영성과에 미치는 영향에 관한 실증연구)

  • Shin, Kwang-Ha;Jeong, Eun-Kyeong;Park, Myung-Chan
    • International Area Studies Review
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    • v.13 no.2
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    • pp.190-222
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    • 2009
  • This study is for analyzing the management performances of Korean tourism firms, which have been operating as preparing strategically against FTA, one of the most importantly external environment in international management since in the middle of 1990s. The main purpose can be mentioned to test empirically some relations between the management performances of Korean tourism ones and the levels of understanding and preparing against FTA. In detail speaking, the dependent variables of management performances are classified with sales, profits and management satisfaction, while the independent ones regarding with FTA are sorted based on the previous studies with the 2 following factors like understanding/preparing of managers and one of workers in a firm. This study is conducted in two stages. Firstly, the research model is designed by the reviewing relevant theories, previous studies. Secondly, the survey of Korean tourism enterprises engaging in management activities in Korea is implemented by collecting questionnaires. And for testing the hypothesis, the analyzing tools are being used for correlation, reliability, validity and multi regression on SPSS 12.0 for windows and finally the path analysis of structural equation modeling is activated with AMOS 7.0 for windows.

A Study on Facilites Safety of Long-Term Care Facilities for Elderly :Focused on the Factual Survey of Seoul Metropolitan Area (장기요양시설의 노인보호를 위한 시설안전에 관한 연구 : 수도권 시설안전 실태조사를 중심으로)

  • Moon, Yongpil
    • The Journal of the Korea Contents Association
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    • v.20 no.10
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    • pp.308-325
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    • 2020
  • This study examines factual facilites safety of long-term care facilities for eldery, for improvement of Korean policy. So, This study reviewed policies of facilites safety of long-term care facilities on main OECD countries. We analyzed factual survey of facilites safety of long-term care facilities in Seoul metropolitan area. The results of the study were as follows: First, There were differences of law and rule of facilites safety of long-term care facilities in comparison with those of social welfare facilities, child day-care center, hospital. Second, it was the result of location condition analysis. Long-term care facilities in the Seoul metropolitan area were located on more than six floors of buildings. The location conditions of private facilities are weak compared to those of corporations and local governments. Third, there were the result of internal structure of facilities. Overall, the placement status was insufficient. For instance, there are smokeproof masks/fireproof blankets, smoke windows(fire safety windows), smoke smothering. In addition, there were places where legal essential installation structures were insufficient. Private facilities were generally insufficient in facility structures compared to those of local governments and welfare corporations. Fourth, there were the result of safety management. It was confirmed that private facilities were insufficient compared to local government facilities. For instance, there are safety management analysis, response manuals, fire preparedness training, etc. Finally, implications and future directions policies of facilites safety of long-term care facilities were discussed based on the finding of the study.

Classification of Silver Farming Types and Investigation of Proper Crop for Silver Farmers (실버농업의 유형분류 및 적합작목 탐색)

  • Kang, Kyeong-Ha;Yoon, Soon-Duck;Kang, Jin-Ku
    • Journal of Agricultural Extension & Community Development
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    • v.14 no.2
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    • pp.301-328
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    • 2007
  • The purposes of this study were to classify the silver farming types and to investigate proper crops for silver farmers. Data were collected from 408 farmers returned from the urban area. Descriptive statistics were employed using SPSS/PC windows program. After then, researchers discussed the silver farming patterns and their proper crops, and tried to analyze the silver farming model. Major results were as follows: The farming aims of retirees, urban residents as well as farmers returned from the urban area were various from hobby/ leisure to income generating activities. Fourteen types of silver farming were classified by farming aim and residential area of retirees. Retirees in the hobby/leisure-oriented silver farming type can select and enjoy the various plants, animals, and insects as well as crops due to their small scale. Silver farmers in the self-sufficiency type may select crops for their food. Income-oriented silver farmers may have difficulties in choosing the proper crop. They must consider their income needs, health status and field location. Profit-oriented silver farmers with venture mind can have some business opportunities in the agricultural sectors in spite of severe competition. As the aged silver farmers have poor health, they must keep work safety rules, use the proper work-aids, and utilize the labor-saving farming system.

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A Study of the Indoor Air Quality Improvement for Large Scale Assembly Facilities (건축물의 대공간 집회시설의 실내공기질 개선방안에 관한 연구)

  • Lim, Tae-Sub;Kang, Seung-Mo
    • Korean Institute of Interior Design Journal
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    • v.20 no.4
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    • pp.183-190
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    • 2011
  • Lately majority of churches have preferred to enlarge their worship area to both horizontal and vertical axis. According to expand their area which brings more devotees to the limited service area. Transform from a small church into a large church is no longer unprecedented issue in South Korea. As the size of church getting bigger, many unexpected issues become matters. One of the significant problem is that the number of people have experienced either fall a sleep or feel a doziness during their service period. Due to the limited condition for the specific building type such as religion facility(church), IAQ improvements is seriously concerned. Therefore, we are going to examine by using simulation tool, CF, a difference of ventilation efficiency about the location and number of windows, and find the best way of the ventilation efficiency in a multi-stories type church by changing the exhaust pipes location and size. Furthermore, in this thesis, by changing a ceiling height from the existing building to confirm that $CO_2$ have been satisfied for both the ventilation efficiency and IAQ.

Dietitians' Self-Evaluation and Barriers to Sustainable Practices for School Foodservice Management - Focused on Daejeon and Chungnam Area - (학교급식 지속가능경영활동에 대한 영양사의 자기평가와 장애요인 - 대전·충남지역을 중심으로 -)

  • Yi, Na-Young
    • Korean journal of food and cookery science
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    • v.33 no.3
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    • pp.342-352
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    • 2017
  • Purpose: The purposes of the study were to evaluate dietitian's practices for sustainability management and identify barriers of sustainability management at school foodservice. Methods: A total of 220 dietitians working in Daejeon and Chungnam area were surveyed. 187 responses were analyzed for the study. Data were analyzed using SPSS Windows. Results: The respondents were 36% in their 20 s, 38% in their 30 s, 39.6% in elementary schools, 33.7% in middle schools and 26.4% in high schools. Among dietitian's practices for sustainability management, the item with the highest self-evaluation was purchase eco-friendly food (3.75). The category with the highest score was procurement (3.52), by waste management (3.48), production (3.39), menu management (3.36), facility and energy management (3.20), personnel management (3.18), and nutrition education (3.04). In the area of menu management, production management, facility and energy management, nutrition education, and personnel management, scores of elementary school working dietitians were the highest, followed by middle school and high school (p<0.001). The most perceived factor for barriers to sustainability management was principal's indifference to sustainability management (4.10 out of 5 points). ietitian's sustainability management practices and barriers showed a negative correlation. Conclusion: It is necessary to dietitians, employees, and principals' awareness about sustainability management in order to perform effective sustainable management school foodservice.

A study on spatial structural characteristics of self coffee shop - Per Busan, Gumi area Self Coffee Shop instance investigation in center - (셀프(Self) 커피전문점의 공간 구성적 특성에 관한 연구 - 부산, 구미지역 셀프 커피전문점의 사례조사를 중심으로 -)

  • Kong, Ji-Youn;Lee, Chang-No
    • Proceedings of the Korean Institute of Interior Design Conference
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    • 2007.11a
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    • pp.93-98
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    • 2007
  • As coffee's taste and scent are emphasized, and interior atmosphere has changed along with sale of brand's own products, there are also epochal trend changes in interior. So, changes within the space should be focused onto open type self coffee shop, a new cultural space distinguishable from existing coffee shops. Therefore, in this study, the following results could be obtained by performing customer-centered, spatial structural characteristics research on 5 take-out coffee shops opened after 2005 that are practicing self service in Busan and Gyeongsangnam-do regions. In this study, it was shown in the above results that location of the entrance, kitchen, and condiment bar, area per person, size and positioning of furniture, area of windows and doors, etc have strong influences for self service which customers themselves carry their food. Therefore, in planning the interior of self coffee ship in the future, presentation of more effective and practical space based on this analysis will be required.

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