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1、TheAppliedResearchofPLCFuzzyControlInBeltConveyorControlSystemAbstractWiththedeepeningofcoalminereform,thegovernmentisimprovingminingrateandproductionofcoalresourcescanbeimminent.However,controlofbeltconveyors,largemostisopen-loopcontrol,justbysimplefixedprogramcontroltostart,
2、runandstop,nocontrolprocesstooptimize,itmakebeltconveyorcontroloflessthanahighperformanceandaccuracyrequirements.Sotooptimizecontrolperformance,itisnecessarytoimprovethecontrolaccuracy.Unstableduetotheamountofcoal,andthespeedissubstantiallyfixedatthesametime,itappearscoalamoun
3、tisverysmallandevenbeltno-loadhigh-speedoperation,leadingtoalotofwasteofenergy,andthisincreasesthecostofproductionoftheuse.Sotheoptimalcontrolschemeisfollowedbychangeswithchangesintheamountofcoal,sothatthebeltspeed,dynamiccontrolandsaveenergy.Thelectureanalyzesthesituationandd
4、evelopmenttrendofthebeltconveyordriveandcontroltechnology,andproposedtooptimizethecontrolscheme.Thekeyissuesofbeltconveyorcontrol:first,wehavetoanalyzetheaffectofthebalanceofpowerfactoranddeterminethepowerbalancecontrolscheme,whichwouldmakemoreaccurateandsecure.Second,toachiev
5、etheautomaticenergy-savingcontrol,thebeltspeedvarieswiththechangesintheamountofcoal.Intheconditionofenergyconservation,weensurethatthecontrolismoreaccurate,morestable.Thepaperdesigntheautomaticcontrolsystemforbeltconveyor,anditisestablishedaPLCcontrolprogramwhichincludesthefun
6、ctionofsoftstart,automaticenergy-savingspeedandpowerbalance,whichusingfuzzyautomaticcontroltheorytoincreasecontrolsuperiority.Asthedevelopmentoflargecapacity,high-power,long-distancebeltconveyor,ithaslaidagoodfoundation.Throughon-sitetesting,thedesignoftheautomaticcontrolsyste
7、mwhathasbenefitofexcellentprecisioncontrol,significantenergysaving,simpleoperation,andhighsafetyperformance.Soitmeetstherequirementsofthecontrolengineering.Keywords：beltconveyor,powerbalance,automaticenergysaving,PLC,fuzzycontrol目录1•绪论1」课题背景11.2课题意义11.3带式输送机国内外研究现状和发展动态21.3.1大
8、功率、长距离带式输送机的驱动装置研究现状21.3.2大功率、长距离带式输送机控制系统的发展趋势31.4本文研究内容42.系
