自动化控制系统自动化专业英语翻译.docx
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自动化控制系统自动化专业英语翻译
自
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Abstract:
theinformationagehigh-techtraditionalindustries,intherapiddevelopmentofmechanicalindustryautomationappearedinsomenewtechnology:
themovementcontrolloopacservomotordrivetechnology,computertechnologyandprogrammablecontroller,themovementcontrolCARDS,etc.Thispaperanalyzedandsummarizedthenewtechnologyofbasicprinciple,characteristicsandapplicationstatus,etc.
Keywords:
linearmotorservodrivetechnology,computer,programmablecontroller,motioncontrol
1introduction
Informationageofhigh-techflowcausedbythetraditionalindustry,theprofoundchange.Asoneofthetraditionalindustry,machineryindustryinthisnewtechnologyrevolutionandproductstructureandproductionsystemstructureisanewspecies,microelectronicstechnology,therapiddevelopmentofcomputertechnologyandinformation,intelligentmechanicaldeviceandpowerequipment,machineryindustry,combiningbeganamassivemechatronicstechnologyrevolution.
Alongwiththecomputertechnology,electronicpowertechnologyandsensortechnologydevelopment,theadvancedcountriesmechtronieproductemergeinendlessly.Machinetools,automotive,instrument,electricalappliances,lightindustrialmachinery,textilemachinery,packagingmachinery,printingmachinery,metallurgy,machinery,chemicalmachineryandindustrialrobots,moreattentionbyallaspectsofpeople'slives,itinimprovement,improveworkefficiencyandsaveenergyandreducethematerialconsumption,strengthenthecompetitivenessofthegreataspectsplaysarole.
Intherapiddevelopmentoftheelectromechanicalintegrationtechnology,motioncontroltechnologyasitskeypart,alsoanunprecedenteddevelopment,andeachmanufacturerlaunchedmotioncontrolofnewtechnology,newproduct.Thisarticlemainlyintroducedtheclosed-loopACServodrivetechnology(FullClosedServoMotor,ACdrivetechnology(go),whichLinearProgrammableController(ProgrammableControllerisComputer,thePCC)andthemovementcontrolCARDS(Board)Motionneededseveralrepresentativeofnewtechnology.
2theclosed-loopacservodrivetechnology
Intherapiddevelopmentoftheelectromechanicalintegrationtechnology,motioncontroltechnologyasitskeypart,alsoanunprecedenteddevelopment,andeachmanufacturerlaunchedmotioncontrolofnewtechnology,newproduct.Thisarticlemainlyintroducedtheclosed-loopACServodrivetechnology(FullClosedServoMotor,ACdrivetechnology(go),whichLinearProgrammableController(ProgrammableControllerisComputer,thePCC)andthemovementcontrolCARDS(Board)Motionneededseveralrepresentativeofnewtechnology.
Alongwiththecomputertechnology,electronicpowertechnologyandsensortechnologydevelopment,theadvancedcountriesmechtronieproductemergeinendlessly.Machinetools,automotive,instrument,electricalappliances,lightindustrialmachinery,textilemachinery,packagingmachinery,printingmachinery,metallurgy,machinery,chemicalmachineryandindustrialrobots,intelligentrobotsandmanyothercategoriesofproductseveryyeartherearenewdevelopments.Mechatronicstechnologyhasbeenmoreandmoreconcernedbyvariousaspects,itinimprovingpeople'slife,improveworkefficiencyandsaveenergyandreducethematerialconsumption,strengthenthecompetitivenessofthegreataspectsplaysarole.
Insomeofthepositioningaccuracyandthedynamicresponseofthedemandishigher,electromechanicalproductacservosystemiswidelyused,includingdigitalacservosystemwithdigitalcontrolmodeismore,butthetrendisverysimple,debugging,useispopular.TheservodrivesystemoftheuseofadvancedDigitalSignalProcessor(DSP)DigitalSignalProcessor,tothemotorshaftback-enddepartmentofphotoelectricencoderandonlocationinthedriveandsamplingmotorbetweenthepositionandspeedclosed-loopcontrolsystem,andgivefullplaytothehighspeedDigitalSignalProcessor(DSP),automaticgaincontroloftheservosystem,andcanevenloadchanges,thereal-timetrackingcontrolsystem;gainSomedrivershavefastFouriertransform(FFT)function,themeasureofGongZhenDianmechanicalequipment,andthroughanotchfiltertoeliminatemechanicalresonance.
Normally,thedigitalacservosystemmostlyinhalfoftheclosed-loopcontrolwork,namelytheencoderfeedbackservomotorspeedloop,alsobeforpositionloop.Thiskindofcontrolmodefortransmissionchainofclearanceanderrorcannotovercomeorcompensation.Inordertoobtainhighercontrolprecision,shouldbeinthefinaloftheinstallationprecisiondetectiondevices(suchas:
gratingfeet,photoelectricencoder,etc.),i.e.theclosed-loopcontrol.Comparisonofthetraditionalmethodis:
theclosed-loopcontrolservosystemsonlyacceptinstruction,speedloopcontrolloopcontrolbythesuperiorpositioncontroller(mostoftheclosed-loopsystemisnc).Thisgreatlyincreasesthedifficultyoftheuppercontroller,servosystemislimited.Currently,foreignalreadyappearedamoreperfect,canachievehigheraccuracyoftheclosed-loopdigitalservosystem,therealizationofhighautomationequipmentmoreeasily.Thecontrolprinciple,asshowninfigure1.
Thissystemhasovercomethedefectofhalfaclosed-loopcontrolsystem,servodrivecandirectsamplinginfinalmechanicalpartpositionfeedbackelement(suchasgratingfeet,magneticgridfeet,revolvingencoder,etc.),asthepositionloop,andthemotorspeedfeedbackatonlyascoder.Suchservosystemcaneliminatethemechanicaltransmissionofgeargap,gap(e.g.,etc),ballscrewclearancecompensationofmechanicaltransmissionmanufacturingerror(suchasballscrewpitcherror,etc),andrealizetheclosedlooppositioncontrolfunctions,higherprecision.Andthiswholeclosed-loopcontrolareaccomplishedbyservodrive,withoutincreasingtheburdenandsupervisorycontrollerinitsgrowingindustryautomationequipmentanddeveloped,andstartusingthiskindofservosystem.
Insomeofthepositioningaccuracyandthedynamicresponseofthedemandishigher,themechtronieproductincommunication
Thissystemhasovercomethedefectsoftheclosed-loopsystemandthepositionloop,samplingcandirectlyfrominfinalpositiononthemechanicalcomponents(suchasgratings'feedback,magneticgateruler,revolvingencoder,etc),andthemotorspeedloopatonlyasencoder,thefeedbackcaneliminateallthegapexistinginmachinery,andtheservosystem,butalsocanappearonthemechanicaltransmissionerrorcompensation,achieverealclosed-loopfunction,achievethehighpositioncontrol.Andthiswholeclosed-loopcontrolareaccomplishedbydrive,withoutincreasingtheburdenofsupervisorycontroller.
Owingtotheclosed-loopacservosystemcangethighprecision,anddoesnotneedtoincreasethecomplexityofsupervisorycontrolsystem.Soitiswidelyusedinncmachinetools,precisionCNCequipmentdesign,etc.
Thissystemhasovercomethedefectofhalfaclosed-loopcontrolsystem,servodrivecandirectsamplinginfinalmechanicalpartpositionfeedbackelement(suchasgratingfeet,magneticgridfeet,revolvingencoder,etc.),asthepositionloop,andthemotorspeedfeedbackatonlyascoder.Suchservosystemcaneliminatethemechanicaltransmissionofgeargap,gap(e.g.,etc),ballscrewclearancecompensationofmechanicaltransmissionmanufacturingerror(suchasballscrewpitcherror,etc),andrealizetheclosedlooppositioncontrolfunctions,higherprecision.Andthiswholeclosed-loopcontrolareaccomplishedbyservodrive,withoutincreasingtheburdenandsupervisorycontrollermoreindustry
Inthenumericalcontrollathe,especiallyincomputerncmachinetools,becauseithasclosedservodrivesystemworkreliably,highprecisionandstronganti-interference,relativetotheopen-loopservodrivesystemismorecommonlyused.Butduetotheincreasedclosedservodrivesystem,feedback,comparativepositiondetection,andstepintotheopenloopsystem,itsstructureismorecomplex,debuggingisrelativelymoredifficult.
Aclosed-loopservodrivesystem,theactuator
Alongwiththedevelopmentofnumericalcontroltechnology,therequirementofactuatorsaresummedupandincreasinglyhigh,basicallyhavethefollowing:
(1)tominimizetherotationalinertiaofthemotor,inordertoimprovethesystemoffastdynamicresponse,
(2)improvemotoroverloadabilitytoadaptoftenappeartheimpactofthephenomenon,
(3)improvespeedandstabilityoperationofmotor,toensuretheuniformityofspeedservosystemaccuracy.
Duetotheparticularityofmechanicalprocessing,generalmotorscannotmeetthencmachinetoolsforservocontrolrequirements.Atpresent,inthenc
Themachineiswidelyusedinthedcservomotorandacservomotor.
1dcservomotor
Thedcservomotorwasusedinmachinetoolservosystemisakindofactuators.Intheservosystemusedinthedcservomotorservomotorfordcmotors,suchaslowinertiaandwidespeedmotor,etc.Althoughtheseservomotor,havethefeaturesofdifferentstructure,butitsworkingprincipleanddcmotoraresimilar.
(1)lowinertiadcservomotor.Mainwhetherslotdcservomotorarmatureandothertypesofmotor.Noslotsdcservomotorarmaturetheworkingprincipleandstructureofthesamedcmotor,thedifferenceandfeaturesare:
thearmaturecoreissmoothwithouttrough,thearmaturewindingcircleswithepoxyresincuringandbinderinthearmaturecoreonthesurface,thelengthanddiameterofthearmaturefivetimesmorethanintheair-gapsizethantheaveragedcmotoris10timesgreaterthan.Itsoutputpowerindozensofwattsto10kW.Mainlyusedforfastmovement,powersystem.
(2)w