自动化专业英语.docx

自动化专业英语

第一篇：自动化专业英语1)theparameterizationofthe0controller0isC=X+MQ/Y-NQ。whereN,MarerightcoprimefactorsofP,X,YsatisfyNX+MY=1,Q∈RH∞2)AccordingtotherightcoprimefactorizationofP,N=,M=,X=,Y=Bytheperformanceoftheclosed-loopsystemN(0)[X(0)+M(0)Q(0)]=1N(10j)[Y(10j)-N(10j)Q(10j)]=0，SotakeQintheformQ(s)=x1+x2·1/s+1+x3·1/(x+1)²wecangetthesolutionofQ。x1=,x2=,x3=,Q=Finally,thecontrollerisC=步骤:S=1-λ/λ代人P(λ)=λ²/6λ²-5λ+1X=-q2/r2,y=1+q1q2/r2λ=1/s﹢1N(S)=1/(s+1)²M(s)=(s-1)(s-2)/(s+1)²X(s)=19s-11/s+1Y(s)=s+6/s+1C=X+MQ/Y-NQN(0)[X(0)+M(0)Q(0)]=1N(10j)[Y(10j)-N(10j)Q(10j)]=0Q(0)=6，Q(10j)=-94+70jQ(s)=x1+x2·1/s+1+x3·1/(x+1)²x1=-79x2=-723x3=808Q(s)=(-79s²-881s+6)/(s+1)²C(s)=[-60s4-598s322+2515s-1794s+1]/[s(s+100)(s+9)]Acontrolsystemisstableifthenumberofencirclementsofthe(-1,0)pointbytheGHplotisequaltothenumberofpolesofGHwithpositiverealparts.Thedirectionofencirclementmustbeinadirectionoppositetoτs.GHisonopenlooptransferfunction.τsisopenrighthalfofs-plane.一个控制系统是稳定的数量是否包围的(1,0)点的GH图的数量相等的两极与积极的真实部分GH。被包围的方向都必须在一个τs的相反方向。“GH”是在开环传递函数上。τs在s-plane的右半平面开放。二．Theprocessofdesigningacontrolsystemgenerallyinvolvesmanysteps.Atypicalscenarioisasfollows:1.Studythesystemtobecontrolledanddecidewhattypesofsensorsandactuatorswillbeusedandwheretheywillbeplaced.2.Modeltheresultingsystemtobecontrolled.3.Simplifythemodelifnecessarysothatitistractable.4.Analyzetheresultingmodel;determineitsproperties.5.Decideonperformancespecifications.6.Decideonthetypeofcontrollertobeused.7.Designacontrollertomeetthespecs,ifpossible;ifnot,modifythespecsorgeneralizethetypeofcontrollersought.8.Simulatetheresultingcontrolledsystem,eitheronacomputerorinapilotplant.9.Repeatfromstep1ifnecessary.10.Choosehardwareandsoftwareandimplementthecontroller.11.Tunethecontrolleron-lineifnecessary.r．referenceorcommandinputvsensoroutputuactuatingsignal,plantinputdexternaldisturbanceyplantoutputandmeasuredsignaln．sensornoise第二篇：自动化专业英语中英对照自动化专业英语中英文对照retardingtorque制动转矩inductivecomponent感性（无功）分量abscissaaxis横坐标inductiongenerator感应发电机synchronousgener