生产自动化毕业论文中英文资料外文翻译文献

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1、生产自动化毕业论文中英文资料外文翻译文献外文资料：ProductionAutomationCharlesL.Philips,RoyceD.Harbor.FeedbackControlSystems.PrenticHall,Inc..2000Abstract:Automationisawidelyusedterminmanufacturing.Inthiscontext,automationcanbedefinedasatechnologyconcernedwiththeapplicationofm

2、echanical,electronic,andcomputer-basedsystemstooperateandcontrolproduction.Examplesofthistechnologyinclude:•Automaticmachinetoolstoprocessparts.•Automatedtransferlinesandsimilarsequentialproductionsystems.•Automaticassemblymachines.•Industrialrobots.

3、•Automaticmaterialhandlingandstoragesystems.•Automatedinspectionsystemsforqualitycontrol.•Feedbackcontrolandcomputerprocesscontrol.•Computersystemsthatautomateproceduresforplanning,datacollection,anddecisionmakingtosupportmanufacturingactivities.Keywo

4、rds:AutomationmanufacturingmechanicalcomputerAutomatedproductionsystemscanbeclassifiedintotwobasiccategories:fixedautomationandprogrammableautomation.17FixedAutomationFixedautomationiswhatHarderwasreferringtowhenhecoinedthewordautomation.Fixedautomati

5、onreferstoproductionsystemsinwhichthesequenceofprocessingorassemblyoperationsisfixedbytheequipmentconfigurationandcannotbereadilychangedwithoutalteringtheequipment.Althougheachoperationinthesequenceisusuallysimple,theintegrationandcoordinationofmanysi

6、mpleoperationsintoasinglesystemmakesfixedautomationcomplex.Typicalfeaturesoffixedautomationinclude1.highinitialinvestmentforcustom-engineeredequipment,2.highproductionrates,3.applicationtoproductsinwhichhighquantitiesaretobeproduced,and4.relativeinfle

7、xibilityinaccommodatingproductchanges.Fixedautomationiseconomicallyjustifiableforproductswithhighdemandrates.Thehighinitialinvestmentintheequipmentcanbedividedoveralargenumberofunits,perhapsmillions,thusmakingtheunitcostlowcomparedwithalternativemetho

8、dsofproduction.Examplesoffixedautomationincludetransferlinesformachining,dialindexingmachines,andautomatedassemblymachines.Muchofthetechnologyinfixedautomationwasdevelopedintheautomobileindustry;thetransferline(datingtoabout(1920)isanexample.P