污水處理廠自控系統(tǒng)設(shè)計(jì)及研究.pdf

1、華南理工大學(xué)碩士學(xué)位論文污水處理廠自控系統(tǒng)設(shè)計(jì)及研究姓名：劉力群申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制工程指導(dǎo)教師：史步海林祥勇20061127A。BSTRACTTheindustrialpollutionmoredamagetheenvironmentmorethanbeforealthoughtheeconomyofourcongtryhavebeenincreasesofastSpeciallywaterpollutionwhichhave

2、damagetheenvironmentPresentlysewagetreatmentisimportantinthenationaleconomy，whileautomationofsewagetreatmentisafeebletacheofsewagetreatmentindustryInthepaperbasedOntheautomaticcontrolsystemofCHENZHOUWastewaterTreatmentPl

3、antintroducedmunicipalwastewatertreatmenttechnics，theintegratedapplicationprogramdevelopmentofcomputerthedesignmethodofPLCcontrolstationthecommunicationbetweenPLCcontrolsystemandcomputer，andthenetworkofwastewatertreatmen

4、twithindustrialEthemetwasalSOdiscussedInthisthesis，thedistributedcontrolsystemforwustewatertreatmentwasdesignedwithresearchofmunicipalwastewatertreatmenttechnicsThecontrolsystemconsistsofindustrialpersoncomputer(IPC)，PLC

5、controlsystemandlocalintelligentcontrolinstruments，ereThesystemimplementsdistributedcontrolandcentralizedsupervisioninwastewatertreatmentTheindustrialcomputermainlyimplementsthefunctionsoflongrangesupervisionandmanagemen

6、titincludes：dynamicshowoftechnicsflowrealtimedataacquirementandshowhistorydatasaveandprintfaultalarmere；ThePLCcontrolsystemmainlyaoeomplishesthewastewatertechnicsflowcontrol，harmonizesthelogicalrelationshipamonglocalinte

7、lligentcontrolinstrumentsandtransmitsthestateofeachlocalequipmenttOtheindustrialcomputer，simultaneously，thePLCcontrolstationreceivesthecontrolcommandsfromtheindustrialcomputer；n地localintelligentunitstakechargeofthecorrel

8、atedparameters’measure，disposalandcontrol，anditwiltransmittherelatedparameterstothecomputereteThedisSOlvedoxygen(DO)isoneofthemostcrucialparameterinmunicipalwustewatertreatmentsystemDOischoosedaSthecontrolobjectandDOcont

9、rolsystemfromtheoryresearchBecauseofthecomplexitylagprocessdisturbances，dynamic，nonlineardifficulttofoundexactmodelintheDObiochemistryprocess，theperformanceoftraditionalcontrolstrategiesisbeyondhumanssatisfactionAuthorbr

10、ingsforwardcontrolstrategyoffuzzycontrolwithpredictivemodelandimprovesonthecontrolsystemofwastewatertreatmentTheexpedmentsaremadetoshowtheefectivenessandmhustnessoftheproposedmethodnlefmalpartofthisthesis，byresearchoffuz