YGB-140-4型油隔離泵補(bǔ)油系統(tǒng)的自動(dòng)化研究.pdf

1、蘭州理工大學(xué)碩士學(xué)位論文YGB1404型油隔離泵補(bǔ)油系統(tǒng)的自動(dòng)化研究姓名：李萬松申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：張洪生20090531YGBl40／4型油隔離泵補(bǔ)油擰制系統(tǒng)的自動(dòng)化研究AbstractInrecentyears，withtherapiddevelopmentofmaterielplasmtransportationequipment，theapplicationofoilisolationpumpbeco

2、memoreandmorewidely—usedinthedifferentkindsoffieldssuchasmine，powerstationandpetroleumetcTheoiIcontrollersystemisthemostimportantkeytotheoilisolationpump，whoseprecise，smartandstableworkstatusdirectlyef佗ctsthelifeofPiston

3、s，eventhewholeresultoftheoilisolationpumpThecontrolsystemofoilisolationpumpusesmanualcontrol，thelowcontrolprecision，thepoorreliabilitywork，failurerate，workersinlaborintensive，soitbringsonhighfailureandinconVeniencef10rma

4、intenanceThetopicforthecurrentstatusofdomesticresearchandtheisolationoftheoilpumpcontrolsystemstudies，takeaparttheabuseofitsabnormalwork；theautomaticcontrolsystemhaslaidatheoreticalbasisforoilisolationpumpThissystemnoton

5、lycanimproveprecisionandreliability，butalsocandeducethefrequentfailure，saVethemaintenancecost，decreasethelaborintentionandcostetcWeneedtoaccordingastheoperatingprinciplebasedoncontrollersystemsothatwecanrealizetheprecise

6、control，enhanceitse筒ciencyandreliabilityTherefore，theresearchofitscontrolsystemplaysahighlyimponantr01eintheoryandpracticeThispapermakesadeepanalysisonthetheoryofcontrolsystem，adoptingPLCteplacemanualcontr01Recently，inth

7、e矗eldofindustrialcontrol，PLCcontrol，applicationandconlmunicationinupperconlputerconfigurationbecomesapopulartechniqueWiththedeVelopmentofPLCtechnique，inVirtueofitshighreliability，advanceperfbrmance，extensivenexibilityini

8、ndustrialfieldandconVenientperformanceinextendedtechnics，PLCmakesamoreandmoreextensiVeuseintheprocessofindustrialautomationcontr01RegardingthegeneraldesignmethodofPLCcontrolsystem，basicmeasureapplicationinsystemreliabi“t

9、y，wehighlydiscussdesignmethodonhardwareandsoftwareofPLCcontrolsystemWiththetechniqueofPLCandconnguration，itcanautomaticallydesignforthewholecontrolsystemThroughthechoiceanddesignofPLCcontrolandconngurationduringtheproces

10、sofoilisolationpumpoperation，thepaperanalyzesanddiscussesthespecificquestion，draftingtherelatiVeworkingflowchartforoilisolationpump，hardwareconngurationforautomaticcontrolsystem，aswellassoftwarenowchanMoreoVer，italsofini