硕士论文-采用dsp的定尺飞锯控制系统的设计

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1、沈阳理丁.大学硕士学位论文沈阳理工大学硕士学位论文釆用DSP的定尺飞锯日空制系统的设计姓名：张:申请学位级别：硕士专业：；空,§1理论与；空,§1工程指导教师：王大志20070101AbstractWiththegrowthofthenationaleconomyatahighspeed,thefimctionrequestbecomeshigherandhigherinthetubeweldingproductline.Atpresent,todevelopouthigh-accuracyflyingsawcontrolleristheke

2、ydifficultproblemwhichhasdrewrecentlymoreandmoreattentionfrommetallurgyenterprise，mechanicalindustryandresearchacademiesandinstitutes.Firstly，thepaperanalyzesandcomparesthefomclassicalacceleration/decelerationalgorithmssuchasthelinear,theexponential,thelinearandparabola,the

3、Sandtrigonometricacceleration/decelerationcurves,whichneedsatisfytherequirementsofhigh-speedmotionsystem.Thetrigonometricfunctioncurveischosentobethebestonewhichisaminimumtoflexibilitylimitandmorerelativelysteadyandsmoothamongtheclassiccurves.Then,sumupoutonekindofmodifiedt

4、rigonometricfunctioncurveonthebasisofChebyshevPolynomialsapproximationmethod.Atlast,testandgetagoodtracingeffectbysendinggivencurvesignaltotheflyingsawsystemaccordingtothesimulationofDCservocontrolssystemmodule.沈阳理丁.大学硕士学位论文Secondly,applicationofGeneralTransduceronflyingsaw

5、cannotreachthespeedregulationindexofDCdriver.Themainreasonscanbeexplainedfromtwoaspects:oneaspectthevectorcontrolcannotrealizethecompletedecouplingcontrolinACcontrolsystem;theotheraspectdirecttorquecontrolofaninductionmachineexhibitsthebadcontroleffectinalowspeed.Therefore，

6、anewstatorcurrentinternalmodeldecouplingcontrollerhasbeendesignedonthebasisofmuli-variableinternalmodeldecouplingtheory,andbeenaddedintothewholevectorcontrolsystem.Thesimulationresultofnewsystemhascertifiedthatthesystemhadstillkeptagoodperformanceindecouplingeffectwhenthepa

7、rametersofmotormodelwerechangedandthesteadyanddynamicstatetargetshadbeenimprovedalotthanbeforeFinally，accordingtothehigherrequirementofproductlineandnegativeaspectsoftraditionalflyingsaw,aflyingsawcontrollerwasdesignedbasedonTITMS230F2407chip.Thecontrollerusedpulsecollected

8、circuitastheinputfacility,LCDastheoutputfacilityandformedanintegratedcommercialsys