1、浙江大學(xué)碩士學(xué)位論文高速走絲電火花線切割工藝仿真及加工穩(wěn)定性的研究姓名:凌湛申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):機(jī)械制造及其自動(dòng)化指導(dǎo)教師:周繼烈20050201浙江大學(xué)碩士學(xué)位論文ABSTRACTAsauniquekindofmachinetooldevelopedinChinahighspeedWireElectricalDischargeMachining(WEDM—HS)hasbeenwidelyusedinChinesemanufactu
2、ringindustriesHoweveLcompared謝t11lowspeedWireEDM(WEDMLS)itsefficiency,accuracyandstabilityofthemachiningprocessisrelativelimitedInthisthesisthemodelingoftheWEDMprocessbymeansofRBFANNtechniqueshasbeenappliedtoeffectivelyr
3、elatethedifferentprocessvariablestothedifferentperformanceoftheprocessAnddetectingandcontrollingmethodsofdischarge—stateareprobedintotoenhancethestabilityoftheprocessMoreoverapredictivesystemsoftwareisdevelopedThestudyis
4、effectivelyhelpfultopromotethecompetitivityoftheWEDMHSinthemarketThemalncontributionsofthisthesisareasfollows:1ThecomparisonbetweenWEDMHSandⅥ砸DMHSiScarriedout,problemsandthetrendsofdevelopmentofWEDMHSarebroughtforward2By
5、surveyofexperimentsschemes,comparingsomekindsofexperimentaldesignmethod,acentralcompositerotatableexperimentaldesignmethodisappliedtoperformaseriesofexperimentstocollectprocessdataofDK7725eThenbasedonthetestdataRBFNeural
6、NetworksmodelisbroughtoutVerificationexperimentshavebeencarriedouttocheckthevalidityofthedevelopedmodels3Theeffectsoftheprocessparametersonthestabilityisstudied,thedetectingmethodofWEDMdischargestaleisresearchedAtypeofad
7、aptivecontrollerisexplored4Themakeupandfunctionoftheprocesssimulationsystemsoftwareisintroduced,andtheparticulardesignofthemastermodule,databasemodule,modelstrainingmoduleandsimulatingmoduleisdiscussedKEYWORDS:EDM,Simula