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의료용 정보처리시스템에서의 데이터베이스 구축과 질환 해석
김희식,이평원 서울시립대학교 산업기술연구소 1997 산업기술연구소논문집 Vol.5 No.-
This paper proposes a new medical information management system to be used for small to medium sized clinics and hospitals. The system is designed to process, analyze and manage each patient's clinical record using database technique. The structure of the database was determined and implemented through careful and rigorous study of medical practices in Korea and, therefore, reflects the needs of information management in Korean medical community. furthermore, a sophisticated inference engine that can deduce possible diseases from the result of medical examination is added to the system to provide doctors with a guideline in medical diagnoses.
Improvement of Data Receive Ratio in Remote Water Meter System by Upgrading Sensor
김희식,Odgerel Ayurzana 제어·로봇·시스템학회 2009 International Journal of Control, Automation, and Vol.7 No.1
A remote Automatic Meter Reading (AMR) system was developed for water supply organizations and implemented in the field. To improve data acquisition, a water AMR sensor was modified. A water meter sensor with lower noise was introduced and efficient wireless transmission was studied. Low reliability of data acquisition was the most difficult problem in the field. A success ratio of at least 98% is required for stable and economical operation of an AMR. The ratio of reliable data acquisition in a trial AMR with image acquisition using a digital camera was only 67.8%, but tests using the improved sensor showed a reliable acquisition ratio of up to 97.38%. The MR (Magnetic Resistive) Reed switch and CYBLE sensor modules were simply mounted on mechanical water meters to achieve remote metering. The terminal was connected by a cable to the meter. For short distance transmission to a collector, RF (Radio Frequency) and Zigbee modules were used. For long distance transmission to a server, a CDMA cellular network was employed.