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1、ACoalMineEnvironmentalMonitorSystemwithLocalizationFunctionBasedonZigBee-CompliantPlatformDongxuanYangCollegeofComputerandInformationEngineeringBeijingTechnologyandBusinessUniversityBeijing,ChinaYanChenCollegeofComputerandInformationEngineeringBeijingTechnologyandBusines
2、sUniversityBeijing,Chinabjchy2003@163.comKedongWangCollegeofComputerandInformationEngineeringBeijingTechnologyandBusinessUniversityBeijing,ChinaAbstract—Thispaperdescribesandimplementsanewtypeofcoalminesafetymonitoringsystem,itisakindofwirelesssensornetworksystembasedonZ
3、igBeetechnology.Thesystemconsistsoftwopartsundergroundandsurface.Wirelesssensornetworksareconstitutedbyfixednodes,mobilenodesandagatewayinunderground.PCmonitoringsoftwareisdeployedinthesurface.Thesystemcannotonlygatherreal-timeenvironmentaldataformine,butalsocalculatethe
4、real-timelocationofmobilenodeswornbyminers.Keywords：ZigBee;localization;wirelesssensornetworks;coalMineI.RESEARCHSTATUSAsanimportantenergy,coalplaysapivotalroleintheeconomicdevelopment.Coalminemonitoringsystem,istheimportantguaranteeforcoalminesafetyandhighefficiencyprod
5、uction[1].Inordertoensurethesafeoperation,theinstallationofenvironmentmonitoringnodeintunnelstoreal-timedetectionisveryimportant.However,commonlyusedtraditionalmonitoringnodewiredconnectiontoobtaincommunicationwiththecontrolsystem,thisnodeexistwiringdifficulties,expensiv
6、eandothershortcomings.Incontrast,wirelesssensornodecanbeeasilywithcurrentminemonitoringnetworkconnection,andgoodcompatibility,facilitateconstitutedminegasmonitoringnetwork,tosuitvarioussizeofmineapplications.Sincewirelessnodesarebatterypowered,socompletelyoutoftheshackle
7、softhecable,shortentheconstructionperiodcanbearrangedatanytimewheretheneedtouse.TheZigBeewirelesscommunicationtechnologyisusedinthiscoalmineenvironmentalmonitorsystem.Thisisanewshort-range,lowcomplexity,lowpower,lowdatarate,low-costtwo-waywirelesscommunicationtechnology[
8、2].Now,wirelesssensornetworkproductbasedonZigBeetechnologyarequantityandvariety,buttherealproductcanbea
