煤與瓦斯突出早期辨識(shí)與實(shí)時(shí)預(yù)警技術(shù)研究.pdf

1、安徽理工大學(xué)博士學(xué)位論文煤與瓦斯突出早期辨識(shí)與實(shí)時(shí)預(yù)警技術(shù)研究姓名：鄧明申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：安全技術(shù)及工程指導(dǎo)教師：張國樞20100618安徽理工大學(xué)博士學(xué)位論文AbstractThecoalandgasoutburstisoneoftheseriousnaturaldisasterswhichthreatenedcoalproduction，andithappensfrequentlyPre—warning，whichisoneo

2、ftheimportantstepstopreventonit，canreducehappeningfrequencyanddecreasecasualties。Aimingatcontrollingcoalandgasoutburst，thepre—warningtechnologyofcoalandgasoutbursthasbeenstudiedBymeansofcombiningtheresearchwiththetheoret

3、icalanalysis，loadtestsinsitu，andinformationfusiontechnology，theresearchworkhasbeenaccomplishedwiththefollowingachievements：Basedonaccident—causingtheorytherelationshipoftime—seriesprocedureandinternalreasonsofoutburstWas

4、studied：Andthecontrolmodelof“fourdefenselines”WasbuiltAccuracypredictionandmeasuresforitatbuddinginitialstagecouldminimizethedamagetimelyAnalyzedtheexamplesofoutburst，thetendencyofgasemissiontime—series(whichWascalledGse

5、ries)intheinitialstagewasdiscoveredAndthedifferencesofamplitudeandfrequencyofgasemissionchangingbetweennormalandabnormalWasfoundInordertoconstructionpre—warningframework，whichincludingconcepts，procedure，indexandgrad，syst

6、emtheoryanddecisiontheoryandsafetytheoryisusedTheexamplesprovedthatthemainmethodsofskychart，G—lineandmovingaverageline(MAline)couldrealizeprewarninginthetheoryInnormaltime，spotdensityofstarchartwasverylowanddistributedeq

7、ually，andG—linelikedacross，additionallyMAlineWasplaneandamplitudeandfrequencywasverylowButintheinitialstageofoutburst，spotdensityofstarchartWasveryhighG—lineshoweduptrendandthebodywaseasytochange，evenshowed‘threeeven—yan

8、g”MAlinetouchedtheGlineevencrosseditfrequentlyAndthefrequencyofchangecouldbe7timescomparingtonormaltimeInordertobuildcoalandgasoutburstpre—warningsystem，SQLServer2000andMicrosoftVisualBasic60wereusedAndthesoftsystemWasus