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《Journal of China Coal Society》 2008-08
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No-blind-zone placement of methane sensor based on monitoring coverage

SUN Ji-ping1,TANG Liang1,CHEN Wei1,ZHANG Bo2,ZHU Ning2,ZHANG Xiang-yang3(1.State Key Laboratory of Coal Resources and Safe Mining,China University of Mining and Technology(Beijing),Beijing 100083,China;2.College of Computer Science and Technology,China University of Mining and Technology,Xuzhou 221008,China;3.Research Institute of Information Engineering,China University of Mining and Technology(Beijing),Beijing 100083,China)  
By establishing graph model of mine ventilation network,monitoring scope was applied as the theory base,flowing time between nodes was used as monitoring level,optimum methane sensor placement could be resolved with coverage as the selection standard based on Dijkstra arithmetic and minimal dominant set arithmetic.By using a small mine as an example,methane sensor placement was optimized and the results show that different monitoring level leads to different safety level,number of methane sensors and coverage.
【Fund】: 电子信息产业发展基金重点资助项目(财建[2005]688号;信部运[2005]555号);; 国家发改委煤炭行业标准资助项目
【CateGory Index】: TD712
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