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1、航空工业管理学院毕业论文（设计）外文翻译2016届电子信息工程专业1213081班级姓名王兴宇学号121308128指导教师王义琴职称讲师二О一六年三月十日22TheDesignoftheVectorControlSystemofAsynchronousMotorAbstract:Amongvariousmodesoftheasynchronousmotorspeedcontrol,vectorcontrolhastheadvantagesoffastresponse,stability,transmissionofhigh-perf
2、ormanceandwidespeedrange.Fortheneedoftheasynchronousmotorspeedcontrol,thedesignuses89C196asthecontroller,andintroducesthedesignsofhardwareandsoftwareindetails.TheDesigniscompletedeffectively,withgoodperformancesimplestructureandgoodprospectsofdevelopment.Keywords:Asynch
3、ronousmotor,89C196,Vectorcontrol1.IntroductionACasynchronousmotorisahigherorder,multi-variable,non-linear,andstrongcouplingobject,usingtheconceptofparametersreconstructionandstatereconstructionofmoderncontroltheorytoachievedecouplingbetweentheexcitationcomponentoftheACm
4、otorstatorcurrentandthetorquecomponent,andthecontrolprocessofACmotorisequivalenttothecontrolprocessofDCmotor,thedynamicperformanceofACspeedregulationsystemobtainingnotableimprovement,thusmakesDCspeedreplacingACspeedpossiblefinally.Thecurrentgovernorofthehigherproduction
5、processhasbeenmore22useofFrequencyControldeviceswithvector-control.2.VectorControlWiththecriterionofproducingconsistentrotatingmagnetomotiveforce,thestatorACcurrent,,by3S/2Sconversioninthethree-phasecoordinatesystem,canbeequivalenttoACcurrent，，intwo-phasestaticcoordinat
6、esystem,throughvectorrotationtransformationofthere-orientationoftherotormagneticfield,EquivalenttoasynchronousrotationcoordinatesoftheDCcurrent，.Whenobserversatcorecoordinateswiththerotationtogether,ACmachinebecomesDCmachine.Ofthese,theACinductionmotorrotortotalflux,ith
7、asbecometheequivalentoftheDCmotorflux,windingsequivalenttotheexcitationwindingsofDCmotor,equivalenttotheexcitationcurrent,windingsequivalenttofalsestaticwindings,equivalenttothearmaturecurrentproportionaltotorque.Afterthetransformationabove,ACasynchronousmotorhasbeenequ
8、ivalenttoDCmotor.Asaresult,imitatingthecontrolmethodofDCmotor,obtainingthecontrolvariableofDCmotor,throughthec
