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안재성(Jaesung An),김성범(Sungbum Kim),배중호(Joongho Bae),용기중(Geejoong Yong) 한국자동차공학회 2011 한국자동차공학회 학술대회 및 전시회 Vol.2011 No.11
In these days, advanced vehicles such as hybrid electric vehicle, electric vehicle and hydrogen fuel cell vehicle are being developed and researched so rapidly and international standards is being constantly updated. Domestic vehicle safety standards of eletro-magnetic compatibility is recently updated and we feel the need to check if advanced vehicle in being developed is conformed or not with updated standards. For this reason, we have tested about conformance of electro-magnetic compatibility safety standards for Hydrogen fuel cell vehicles as representative of advanced vehicles. Broadband emission tests, narrowband emission tests and immunity tests of hydrogen fuel cell vehicles were carried out under real vehicle test in the EMC chamber. The results presented in this study indicate that Hydrogen fuel cell vehicles in recently developed are conformed with updated vehicle safety standards.
안재성(Jaesung An),김규현(Gyuhyun Kim),장형진(Hyung Jin Chang),홍병창(ByeongChang Hong) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
The purpose of this study is to conduct various crash tests of small passenger cars and measure the deformation, occupant injuries and body decelerations of vehicles. A relationship between impact speed and vehicle damage data such as deformation, body decelerations and etc are analyzed. The characteristics of domestic cars in crash tests are obtained and will be used for developing a precise accident reconstruction program by using a data which is recording at Automatic Accident Recording System(AARS). In this study, the test results of the full frontal barrier crash and side impact are reviewed and examined. The results show that the damages and the decelerations of various cars are increased on the increment of the impact speed and vehicle weight.
안재성(Jaesung, An),권해붕(Haeboog, Kwon),김성범(Sungbum, Kim),용기중(Geejoong Yong) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
This paper is about broadband electromagnetic emission test of domestic vehicles. Disturbances from sources employing Ignition system, Wiper motor, Power antenna, Heater blower motor, Air conditioning compressor, Alternator, Engine cooling or Power seat etc. cause broadband emissions. These devices are used in diesel vehicle as well as gasoline vehicle and broadband noise of diesel vehicles cant be greatly different from broadband noise of gasoline vehicles. But broadband electromagnetic emission test of diesel vehicle is eliminated from domestic vehicle safety standards. For this reason, diesel vehicle have broadband emission test in Europe electromagnetic regulations at present. Also, the latest International Standards CISPR 25 Edition 3.0 (Radio disturbance characteristics for the protection of receivers used on board vehicles limits and methods of measurement) narrowband/broadband determination article which shall be made to determine whether measured emissions are narrowband or broadband in the test plan was deleted. The results presented in this study indicate that broadband emission test of diesel and Hydrogen fuel cell vehicles are necessary to the vehicle safety standards.
노광현 ( Kwang-hyun Ro ),안재성 ( Jae-sung An ),김상훈 ( Sang-hoon Kim ),서정민 ( Jeong-min Seo ),신명국 ( Myeong-guk Shin ),이건녕 ( Gunn-yeong Lee ),김동식 ( Dong-sik Kim ),이경훈 ( Kyung-hun Lee ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.2
This paper proposes the architecture and major functionalities of IT converged smart outdoor exercise equipment and health cashback system. It provides basic information such as date, time, weather information, and display the amount of exercise, thermal images for monitoring the change of user’s body temperature and health cashback point. The amount of exercise is transferred to a health cashback server via mobile communication network and the server provides the exercise history and health cashback point. Also, as additional public services, a fine dust alarm light and an emergency alarm function are embedded. The proposed IT converged smart outdoor exercise equipment will be a reference model for studying and commercializing the next generation product.
제4차 산업혁명 시대를 위한 국토공간정보의 활용 및 중요요인에 관한 연구 : Fuzzy-AHP 보정 분석을 이용하여
한충남(Han, Chung-Nam),안재성(An, Jae-Sung) 한국부동산정책학회 2017 不動産政策硏究 Vol.18 No.3
A surrealistic society in which information can be shared as high precision spatial information is connected with smart sensors has come at last, in the face of the up-to-date Fourth Industrial Revolution. However, the current national geo-spatial information cannot provide convergence service, since it does not meet the criteria and quality required by the Fourth Industrial Revolution. Therefore, the purpose of this study is to seek out and use important factors of national geo-spatial information suitable for the changing era, as human beings are exposed to the Fourth Industrial Revolution. This study divided some scopes into conceptual, temporal, spatial and contents scope: the concept of national geo-spatial information is considered and the definition of national geo-spatial information suitable for the theme of this study is newly established and is suggested in the conceptual scope; temporal scope ranges from 1995 when general planning of GIS establishment was initiated to the present time; spatial scope includes the entire territory; and 30 important factors are selected, understood and analyzed in terms of political, economic, social, technological and environmental dimension, in the contents scope. An empirical analysis compares differences in perceptions on national geo-spatial information among groups of experts including professors, researchers, civil servants, employees in public corporations, by administering questionnaires to them and using the Fuzzy-AHP, a statistical analysis. The results of a comprehensive analysis provides some implications: important factors for political connection and goals may serve as a leading role in the Fourth Industrial Revolution, as they are intensively reflected in policies, in the political dimension; industry is determined to create high added-value only if it apply important factors for cost, benefit and effects contributing to the Fourth Industrial Revolution to businesses, in the economic dimension; important factors for contribution to spatial information service and convergent use of spatial information should make a contribution to our society, in the social dimension; important factors such as establishment of management system and system security should be applied to public corporations and industry, given the priority of standardness and stability, in the technological dimension; and it is necessary to pursue policies by considering both internal and external environments, enhance awareness of internal policy planners through training and professional education and conduct researches and promote environment for allowing national geo-spatial information to be introduced to foreign countries, in the environmental dimension. Finally, specific research process of professors, researchers, civic servants and employees in public corporations are required to realize various important factors suggested by this study, and important factors of strategic national geo-spatial information should be selected and actively applied to policies and use of national geo-spatial information.