NURBS曲線插補及其應(yīng)用研究.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文NURBS曲線插補及其應(yīng)用研究姓名：滕二申請學(xué)位級別：碩士專業(yè)：機械制造及其自動化指導(dǎo)教師：桂貴生20090401ResearchandApplicationofNURBSCurveInterpolationAlgorithmABSTRACTThehighspeedcuttingisoneofadvancedmanufacturetechnique，whichhasthepowerfulvitalityandth

2、ebroadapplication，andalreadybecamethemainstreamofmachiningTheinterpolationtechnologyofNCisthefoundationofpath’scontrolintheCNCsystem，andtheinterpolationopermionisthecoremoduleofCNCsystemsoftware，whichcomesthemotioncontro

3、ltrueTheinterpolationalgorithm，whosefunctionisgoodorbad，directlyinfluencestheperformanceofCNCsystemSo，akindofinterpolationmethodwiththehighaccuracyandhighspeedisthekeyofinterpolationBasedonanalyzingthetraditionalpulseint

4、erpolationanddatasamplinginterpolation，thispaperemphasizesontheNURBScurvereal—timeinterpolationtechnologyInviewofthepartialalgorithmswhichisincompleteandthelowefficiency，thispaperproposeasimpleandquickinterpolationalgori

5、thmUsingthematrixrepresentationofNURBScurve，thewholeinterpolationprocessisdividedintoappropriatepretreatmentandrealtimeinterpolation，intheappropriatepretreatment，thesystemwillachievealargeamountofcalculation，andtheresult

6、ofpretreatmentwilldirectlyapplythereal—timeinterpolation，whichmakesinterpolationalgorithmfulfillthereal—timeofNURBScurve’Sinterpolation，andgivethenecessarycontourerrorcontrol，theNURBScurvedirectinterpolationachievedthema

7、chiningvelocityadaptingthetoolpathThealgorithmsisdiscussedinthispaper，whichcompletedbyusingCprogramminglanguage，thealgorithmhasbeenimplementedinVisualC60，andthesimulationresulthasbeenverifiedthecorrectnessandfeasibilityo