Research On Key Technologies Of Mine WSN Node Deployment In Long-narrow Region

The real time monitoring and stable information transfer of the complicated environmentunder mine are the important factors to the safe production of mine. Compared with theshortcoming of conventional wired monitoring network, which is high cost, laid difficult and badmobility, the Wireless Sensor Network (WSN), a self-organized network system containing alarge number of micro sensor nodes can get better effect when applied to mine monitoring. Thedeployment of these sensor nodes which inter integrate multiple functions as perception,computation and storage of information and communication is just the fist step.Firstly, the architecture, the networking features and the impact factors of WSN areintroduced, and the factors influencing the communication of wireless network under mine areanalyzed, presenting the deployment principle of hierarchical network. Then the study ofnetwork coverage and grouping is stressed, proposing the network relationship model based onlong and narrow space, a group cover algorithm based on energy balance is presented. Thesimulation of algorithm shows that the improved algorithm can better balance the networkenergy.Later on, Based on the monitoring dates and Combined with the feature of safemonitoring of mine, the nodes set generation algorithm of mine WSN is presented,which takes the monitoring parameters as the characteristic weights, and does clusteringanalysis on monitoring zones by means of R-DBSCAN, by which the zones are dividedinto different grades, and deployed with different coverage degree nodes. Meanwhile thesleep time is set to nodes respectively. The deployment strategy insures the safecoverage of the needed monitoring positions under mine, and reduces the energyconsumption of nodes to a certain extent.