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1、-------哈爾濱理工大學(xué)工程碩士學(xué)位論文ResearchonSurfaceRoughnessPredictionandParameterOptimizationofHighSpeedMillingAbstractThehighspeedcuttingbecauseofitshigherefficiencyandaccuracyfullyisappliedinvariousfield.Evenso,inordertomakeitfurtherdevelopment,manyrestrictingfactorsiswaitedforsolving.Atpresent,toobtainsing
2、leoneofthehighefficiencyandaccuracyisnotenough.Howtosimultaneouslyobtainhigherefficiencyunderthepartsaccuracyguaranteedinordertobetterandfullyplaytheadvantagesofhighspeedmachining.Asaresult,ithasveryimportantrealisticmeaningthatthekeytechnologiesofhighspeedmillingsurfaceroughnessarestudied.Theinflu
3、enceofvariousfactorsonthehighspeedmillingsurfaceroughnessis
analyzed.Themethodoftheoryfuzzyisputforwardtoobtainmoreaccurate
predictionmodel.Andthefuzzysystemistrainedbythealgorithmwhichcombine
withleastsquaremethodandthebasicantcolonyalgorithm.Thecontrasttestshows
thatthefinalconvergenceerroroffuzz
4、ysystemtrainedbyimprovedalgorithmis
thesmallestandtheconvergenceeffectofwhichisoptimal.Themodelobtainedby
thefuzzysystemispredictedthroughthetestdataandthecorrectnessandaccuracy
ofthemodelbasedonthenewfuzzysystemisprovedtobebetter.Inaddition,
millingparameteroptimizationmathematicalmodelisestablish
5、edwhichput
machiningaccuracyandefficiencyastheoptimizationgoalandthoughtheresidual
stressandthetoollifeasconstraints.AndtheDynamicAntAlgorithmGenetic
Algorithmisadoptedtooptimizethemodelcalculation.Themethodnotonlyretains
theadvantageofstrongrobustnessoftheoriginalsinglealgorithmbutalsoimprove
itsl
6、ocalsearchingabilityandconvergence.Fordifferentprocessingrequirements,
theaccuratemillingparametercombinationcanbegotmorequickly.Finally,with
VisualC++6.0asthesoftwaredevelopmentplatform,millingparameter
optimizationsystemisdevelopedtorealizetheMATLABsoftwarecalls,whichcan
completerapidpredictionof
7、high-speedmillingsurfaceroughness.Bythesystem
thetimeofpracticalproductionissavedandtheprocessingefficiencyisimproved.II-----------哈爾濱理工大學(xué)工程碩士學(xué)位論文Afterthekeytechnologiesofsurfaceroughnesspredictionbasedonhi
