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김희식(H. S. Kim),김영일(Y. I. Kim),설대연(D. Y. Seol),남철(C. Nam),Odgerel 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
A data error inspection algorithm for wireless digital data communication was developed. Original data converted By wireless digital data error inspection algorithm. Wireless digital data is high possibility to get distortion and lose by noise and barrier on wireless. If the data check damaged and lost at receiver, can"t make it clear and can"t judge whether this data is right or not. Therefore, by wireless transmission data need the data error inspection algorithm in order to decrease the data distortion and lose and to monitoring the transmission data as real time. This study consists of RF station for wireless transmission, Water Level Meter station for water level measurement and Error inspection algorithm for error check of transmission data. This study is also that investigation and search for error inspection algorithm in order to wireless digital data transmission in condition of the least data"s damage and lose. Designed transmitter and receiver with one - chip micro process to protect to swell the volume of circuit. Had designed RF transmitter - receiver station simply by means of ATMEL one - chip micro processing the systems. Used 10mW of the best RF power and 448MHz-449MHz on frequency band which is open to public touse free within the limited power.
인터넷 익스플로러를 통한 임베디드 시스템 기반의 온도 측정 및 분석
김희식(H. S. Kim),김영일(Y. I. Kim),설대연(D. Y. Seol),남철(C. Nam),Odgerel 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
In this paper have developed a system for monitoring and processing the real time sensor data in remote site through network. For realizing this system, measurement equipment and protocol are used to transmit the measurement data to remote server and to process measurement data. In server part, the received data from remote site sensor is converted to text or graphic charts for user.The measurement device in sensor part receives the sensor data form sensor and store the received data to its internal memory for transmitting data to server part through Internet. Also the measurement device can receive data form server. The temperature sensor is connected to the measurement device located in laboratory and the measurement device measures temperature of laboratory which can be confirmed by user through Internet. We have developed a server programworking on the Linux to store measurement data from measurement device to server memory. The program is use for SNMP(Simple Network Management Protocol) to exchange data with measurement device. Also the program changes thr measurement data into text and graphic charts for user display. The program is use apache PHP program for user display and inquiry.The real time temperature measurement system can be applly for many parts of industry and living.
홍유식(Y.S. Hong),김홍균(H.K. Kim),이상석(S.S. Lee),이규대(K.T. Lee),이극(G. Lee),김희식(H.S. kim),전순용(S.Y. Chun) 제어로봇시스템학회 2012 제어로봇시스템학회 합동학술대회 논문집 Vol.2012 No.7
본 논문에서는 의료 서비스를 받기 어려운 지역에 사는 환자나, 전쟁에서 전투를 하는 군인들에게 원격으로 환자의 맥진데이터 및 설진데이터를 휴대폰을 이용해서 환자의 한방 의료정보를 송신해서 원격에서 의사의 진단을 받을 수 있는 모의실험을 하였다. 뿐만 아니라 실시간으로 원거리에서 환자의 설진 영상 및 맥진파형을 수신해서 실시간으로 환자의 건강 상태를 실시간으로 언제 어디서나 누구나 쉽게 판단할 수 있는 지능형 한방 의료진단 시스템 알고리즘 및 모의실험을 제안하였다.
金禧植,崔基相 서울市立大學校 1996 論文集 Vol.30 No.-
The Outflow facility of eye ball provides crucial informations in the diagnose of ophthalmological glaucoma. In this study an ophthalmic outflow facility measuring device is developed and experimentally tested. This system employs pressure sensors and linear positioning device to regulate solution reservoir height, the pressure of eye ball. The experimental result show that the system works well even in harsh environment so that it can be implemented in ophthalmic practics as well as in biomedical research.