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- 저자 : 조병하 ( Byungha Cho ) (검색결과 3 건)
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풍력 발전기 실증연구를 위한 원격 모니터링 시스템 구축
조병하(ByungHa Cho),이정완(JeongWan Lee),이필엽(PilYoup Lee) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
In this paper, remote monitoring system for wind turbine site is developed. This system is a hierarchical reliable monitoring system connected by wireless communication channels between monitoring host computer and modular slave measuring subsystems. The design of this systems; the slave measuring subsystems is placed in meteorological tower and wind turbine, and the supervisory host computer is in the safety zone. The slave measuring subsystems signals are from a meteorological tower, wind turbine generator and tower. For monitoring and command function, the supervisory computer is implemented with a PC using graphic user interface. This system can be transferred the information among host computer and remote computers through the Ethernet. Consequently, we can get reliability but economic system. The system has the concept of universality and modularity, so it is simple and easy to implement in wind turbine test sites.
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조병하,이상렵,이순탁,함능수,나인엽,오창언,김자홍 경북대학교 1971 生産技術 Vol.5 No.-
This study is a "reconnaissance" of "preliminary" grade survery with the objectives of compiling and analyzing drainage systems, river pollution, hydraulic and hydrologic characteristics of sewage, and conservation of public water supplies for design of sewer systems in Taegu. In addition, it contains basis information for design of new sanitary sewage and drainage systems for Taegu. The results are shown as follows;1) Before attempting to design a sewage system, it was necessary to set up reliable standards for estinating sewage amounts. 2) The results of analysis and examination of Taegu's drainage systems. 3) The investigation of "sewage quality and river pollution in Taegu. 4) In order to maintain the B.O.D. value of the Kumho River below 8 ppm, a sewage treatment plant will be necessary. The basic information necessary in planning a treatment plant is given. This study is a summary of reseach that was conducted jointly by Kyung-Pook National Univ ersity's Insttute of Industrial Sciences and Young-Nam Universty's Institute of Industrial Sciences and Young-Nam University's Department of Civil Engineering. The study was begun on Novemver 4,1969 and completed on November 3,1970. By an agreement between the United States Agency for International Development and the Ministry of Science and Technology of the Republic of Korea, the work was financial out of the MO ST/USAID Trust Fnnd.
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