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차량 주행성능 분석을 위한 자료 획득 장치 개발에 관한 연구
선우명호(Myoungho Sunwoo),이재인(Jaein Lee),이우택(Wootaik Lee),이상준(Sangjun Lee),주원철(Wonchul Ju),최시홍(Sihong Choi),이상태(Sangtae Lee),이현수(Hyunsoo Lee),이경민(Kyungmin Lee) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.5_1
To evaluate the powertrain performances and driving behavior of a vehicle, it is necessary to survey the driving patterns, which have influences on fuel economy and emissions.<br/> The driving patterns are depended on the driver's habit and the road and traffic conditions. An in-vehicle data acquisition system, which is called Mode Survey System(MOSS), is designed and developed to analyze the driving patterns of the actual driver. Furthermore MOSS would be able to make a common driving mode to be used in emission, fuel efficiency, shift survey, catalyst durability, and other tests using the analyzed driving patterns.<br/> MOSS is a stand-alone system based on the 68HC11 MCU. It mainly consists of an MCU-based Hardware and a PC-based software. MOSS logs various data relating to powertrain and vehicle driving such as vehicle speed, engine RPM, gear position, brake, clutch, fuel consumption, and others. For analysis of the driving data, MOSS software, which is easy to use, can be used to analyze the driving patterns. Both the real-time processing and the post processing function for driving data analysis are available.<br/>
SMS Application Using EMG Signal of Clenching Teeth for e-Health Communication
Lee, Youngbum,Lee, Myoungho Mary Ann Liebert 2008 Telemedicine and e-health Vol.14 No.6
<P>A proposed system using a Short Message Service (SMS) application based on electromyography (EMG)-controlled human-computer interface method by clenching teeth was evaluated. This system consists of an EMG signal processing device and SMS Software module on the PC. We can use SMS by a simple combination of two clenching patterns. The purpose of this study is to evaluate easy and comfortable communication methods for the disabled and rehabilitation patients as an e-health tool.</P>
The e-Health Landscape: Current Status and Future Prospects in Korea
Lee, Myoungho,Min, Se Dong,Shin, Hang Sik,Lee, Byung Woo,Kim, Jin Kwon Mary Ann Liebert 2009 Telemedicine and e-Health Vol.15 No.4
<P>The e-health infrastructure in Korea has come a long way within a short period since the establishment of the Korea e-Health Association in 2003 by the Korean Ministry of Commerce, Industry and Energy. Since then, four related government departments in the Ministry of Health and Welfare, Ministry of Information and Communication, Ministry of National Defense, and the Ministry of Science and Technology have also started planning and promoting their own strategies for e-Health applications. We have defined standardization, law and policy planning, human resources development, research and development for e-health products, and international collaboration as the five core pillars for the development of a successful e-health industry. In 2008, through the reorganization of government ministries, e-health has become an even more important growth industry for the Korean economy. Consequently, relevant government ministries have more concrete and robust action plans for realization of e-health in effect.</P>
Lee Myoungho,정선교,Do Geonho,Yang Yeram,Kim Jongsu,윤충식 한국산업안전보건공단 산업안전보건연구원 2023 Safety and health at work Vol.14 No.2
Background: There is little information about the airborne hazardous agents released during the heat treatment when manufacturing a welding material. This study aimed to evaluate the airborne hazardous agents generated at welding material manufacturing sites through area sampling. Methods: concentration of airborne particles was measured using a scanning mobility particle sizer and optical particle sizer. Total suspended particles (TSP) and respirable dust samples were collected on polyvinyl chloride filters and weighed to measure the mass concentrations. Volatile organic compounds and heavy metals were analyzed using a gas chromatography mass spectrometer and inductively coupled plasma mass spectrometer, respectively. Results: The average mass concentration of TSP was 683.1 ± 677.4 μg/m3, with respirable dust accounting for 38.6% of the TSP. The average concentration of the airborne particles less than 10 μm in diameter was 11.2–22.8 × 104 particles/cm3, and the average number of the particles with a diameter of 10–100 nm was approximately 78–86% of the total measured particles (<10 μm). In the case of volatile organic compounds, the heat treatment process concentration was significantly higher (p < 0.05) during combustion than during cooling. The airborne heavy metal concentrations differed depending on the materials used for heat treatment. The content of heavy metals in the airborne particles was approximately 32.6%. Conclusions: Nanoparticle exposure increased as the number of particles in the air around the heat treatment process increases, and the ratio of heavy metals in dust generated after the heat treatment process is high, which may adversely affect workers' health.