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《Coal Science and Technology》 2011-01
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Design on Monitoring and Measuring Nodes of Mine Roadway Separation and Deformation Based on Wifi

DING En-jie,LIU Xue-rui,HUANG Yan-qiu,ZHANG Yao,WANG Man-yi(School of Information and Electric Engineering,China University of Mining and Technology,Xuzhou 221008,China)  
The wireless sensor network was introduced to the mine monitoring and measuring system based on the Wifi.A wireless sensor network node was designed and realized based on the Wifi and the displacement sensor was applied to monitor and measure the mine roadway separation and deformation.The development of the node hardware was based on the low power Wifi chip GS1010 and the software was based on the μ-velosity embedded operation system.Thus the data acquisition and transmission of the sensor could be realized.The paper introduced the software and hardware design of the node.The software and hardware of the node was tested and measured.The test and measured results showed that the radial transmission power of the node would be 9 dbm,the communication distance between the node and the wireless input point AP would be 138 m and the monitoring and measuring nodes could be in normal operation under the complicated environment with stable performances.
【CateGory Index】: TD76
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