電磁激勵瓦斯抽放監(jiān)控系統(tǒng).pdf

1、安徽理工大學碩士學位論文電磁激勵瓦斯抽放監(jiān)控系統(tǒng)姓名：方小娥申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：胡業(yè)林20100530AbstractAbstractCoalisthemostimportantenergysourcesofchinaithaveagreatimpactforourlivesandindustrialproductionAlthoughchina’Scoalresourcesareabundantthec

2、oalscalnhasalargenumberofgasadsorptionandahighabsorptioncapacitygenerallyMostofthecoalseamisextremelydifficulttodraingas，itmakestheminingbecomedifficultInrecentyears，mineaccidentshaveoccurredfrequentlybutalsointhecontinu

3、edoccurrencesofmilleaccidents，themostseriousharmisgas，SOdesigningabetterperformanceandsecuritygasdrainagemonitoringdeviceisabsolutelynecessaryAlargenumberofexperimentsshowedthatwhenallelectromagneticfiledappliedtothecoal

4、seam，theseamofthegasadsorptionperformancewillchangeThetopicforthisprincipleofelecfromagneticexcitationgasdrainagedesignmonitoringsystem，thesystemwasdesignedaelectromagneticwavegeneratoqitemitadifferentfrequencyelectromag

5、neticwavestocoalseam，whenweadjustedthefrequencyoftheelectromagneticwavecontinually，gasconcentrationwillchange，thesystemusetheDSPfordatacollection、analysis，andestablishthemodelbetweenelectromagneticwavesandthegas，byadjust

6、ingtheelectromagneticwavefrequency，itcanchangetherateofgasdrainageThehardwaredesignofthemonitoringsystem：ituseDSPMCUdualcorestructure，atthesometimegivethecoreofcircuitdesign；thebottomnetworkcommunicationusetheEthernetcom

7、munications；inhumancomputerinteractionweuseAT89C51microcontrollertoachievehumanmachineinterfacefunctionusingLCDliquidcrystaldisplayforeasyoperation；Inthedatacollectionsection，itusetheintegratedsensorchipandthehighconvers

8、ionprecisionAD7865conversionchipSottwaredesign：itgivethedevelopmentprocessoftheDSPanddataacquisition，LCDdisplaykeyboardinputandEthernetcommunicationsmoduleworkflowThemonitoringsystemnotonlyhasthedetection，controlandalarm