塑料管材擠出機(jī)組控制系統(tǒng)的研究與實現(xiàn)

1、北京化工大學(xué)碩士學(xué)位論文塑料管材擠出機(jī)組控制系統(tǒng)的研究與實現(xiàn)姓名：尹新正申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：王偉明劉振娟2003.5.22THERESEARCHANDREALIZATIONOFACONTROLSYSTEMFORPLASTICSEXTRUSIONLINESABSTRACTAutomationsystemiSextensioninplastiCSextrusion1inesTheaimistosupervis

2、eandcontrolalloftheimportantparametersComputercontrolsystemisoftenusedtoincreasestahilityandreliabilityofprocessingequipmentThisthesismainlydiscussedfromthepointofapplication，toresolveproblemscomingfromproductionprocessF

3、irstlyitintroducestheprincipalandtheprocessoftheplasticspipeextrusionequipment，andbasedonthefoundationacontrolideaandacontrolschemewereputforwardBasedtheprincipalofPIDanditsparameters’tuningalgorithm，the“on～off”controlpr

4、incipaloftherelayaPID—RelaycontrolalgorithmoftemperatureintheplasticspipeextrusionWaSintroducedProgrammableLogicController(PLC)ofprocessequipmentTheSiemensiSusedtodesignthecontr01systemS7seriesPLCWaSappliedintocollecting

5、dataandexecutingactionTheprogrammablesoftwareisSTEP7ConfigurationsoftwareWinCCrunsinamonitorcomputerBasedthePLC—DCScontrolsysteminplasticspipeextrusionequipment，thesystemconfigurationWaScompletedfinishedandthecontrolsoft

6、warewasprogrammedTheWinCCwasusedtodevelophuman—machineinterfacetosupervisethewholeplasticspipeextrusionequipmentThecontrolsystemhasgainedagoodresultItsatisfiestherequestofproductionprocessIntemperaturecontrol，theovershoo