Application And Development Of WSN-based Gas Monitoring Management Information System

It is well known that the accident of gas explosion would result in a large quantityof casualties and cause serious consequences, although it is not happening there withincreasing frequency in the colliery. Therefore, it is is very important to reduce themine gas accident, by this realization to reduce the death rate per million tons forimplementing security management goals.At present, gas monitoring can implement auto data acquisition and processing,simulated signal on screen display, LED alarm and so on. In addition, there are somedeficiencies of the gas monitoring device as a supervision system for the mine airsupplying. The first, based on the problem that strong external interference factors canbring about a big measurement error when the performance of testing sensors is thedifference with each other. The second, the descriptions of Drift Driving Positions andthe locations of Measurement Points will change with the onward march of driftdriving and coal mine section, but information can not update. The third, seperate gasmonitoring system is not linked to other information systems of coal mine. As a result,the phenomenon of "information isolation" is happening there with a costly waste ofinformation resources.Our system acquires wireless signal data by a complex of equipment capable oftransmitting and receiving radio signals and detect and emerge these datas by themethod that is called “Batching Estimation Theory”, then Web Map ServiceApplication System display the data values of sensors and the location of sensors orcontrol equipments by the relative GIS (Geographic Information System) technologyand the Multi-level alarm strategy. We will also integrate the coal mine managementsystem, environmental monitoring systems, CMS (content magagement system),emergency rescue system and OLAP data analysis system with the otherauxiliary fuction, finally, building up gas monitoring data analysis system to advancethe Coalmine Safety Management Informationization by high technology of computerand artificial intelligence.