外文翻译在逆向工程中对适合曲线的数据点云的预处理

ID:16519202

大小:833.78 KB

页数:31页

时间:2018-08-13

外文翻译在逆向工程中对适合曲线的数据点云的预处理_第1页
外文翻译在逆向工程中对适合曲线的数据点云的预处理_第2页
外文翻译在逆向工程中对适合曲线的数据点云的预处理_第3页
外文翻译在逆向工程中对适合曲线的数据点云的预处理_第4页
外文翻译在逆向工程中对适合曲线的数据点云的预处理_第5页
资源描述:

《外文翻译在逆向工程中对适合曲线的数据点云的预处理》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库

1、附录英文原文ThePre-ProcessingofDataPointsforCurveFittinginReverseEngineeringReverseengineeringhasbecomeanimportanttoolforCADmodelconstructionfromthedatapoints,measuredbyacoordinatemeasuringmachine(CMM),ofanexistingpart.Amajorprobleminreverseengineeringisthatthemeasuredpointshavinganirregularformatan

2、dunequaldistributionaredifficulttofitintoaB-splinecurveorsurface.Thepaperpresentsamethodforpre-processingdatapointsforcurvefittinginreverseengineering.TheproposedmethodhasbeendevelopedtoprocessthemeasureddatapointsbeforefittingintoaB-splineform.Theformatofthenewdatapointsregeneratedbythepropos

3、edmethodissuitablefortherequirementsforfittingintoasmoothB-splinecurvewithagoodshape.Theentireprocedureofthismethodinvolvesfiltering,curvatureanalysis,segmentation,regressing,andregeneratingsteps.Themethodisimplementedandusedforapracticalapplicationinreverseengineering.Theresultofthereconstruc

4、tionprovestheviabilityoftheproposedmethodforintegrationwithcurrentcommercialCADsystems.IntroductionWiththeprogressinthedevelopmentofcomputerhardwareandsoftwaretechnology,theconceptofcomputer-aidedtechnologyforproductdevelopmenthasbecomemorewidelyacceptedbyindustry.Thegapbetweendesignandmanufac

5、turingisnowbeinggraduallynarrowedthroughthedevelopmentofnewCADtechnology.Inanormalautomatedmanufacturingenvironment,theoperationsequenceusuallystartsfromproductdesignviageometricmodelscreatedinCADsystems,andendswiththegenerationofmachininginstructionsrequiredtoconvertrawmaterialintoafinishedpr

6、oduct,basedonthegeometricmodel.Torealizetheadvantagesofmoderncomputer-aidedtechnologyintheproductdevelopmentandmanufacturingprocess,ageometricmodeloftheparttobecreatedintheCADsystemisrequired.However,therearesomesituationsinproductdevelopmentinwhichaphysicalmodelorsampleisproducedbeforecreatin

7、gtheCADmodel:1.Whereaclaymodel,forexample,indesigningautomobilebodypanels,ismadebythedesignerorartistbasedonconceptualsketchesofwhatthepanelshouldlooklike.2.Whereasampleexistswithouttheoriginaldrawingordocumentationdefinition.3.Wherethe

当前文档最多预览五页,下载文档查看全文

此文档下载收益归作者所有

当前文档最多预览五页,下载文档查看全文
正文描述:

《外文翻译在逆向工程中对适合曲线的数据点云的预处理》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库

1、附录英文原文ThePre-ProcessingofDataPointsforCurveFittinginReverseEngineeringReverseengineeringhasbecomeanimportanttoolforCADmodelconstructionfromthedatapoints,measuredbyacoordinatemeasuringmachine(CMM),ofanexistingpart.Amajorprobleminreverseengineeringisthatthemeasuredpointshavinganirregularformatan

2、dunequaldistributionaredifficulttofitintoaB-splinecurveorsurface.Thepaperpresentsamethodforpre-processingdatapointsforcurvefittinginreverseengineering.TheproposedmethodhasbeendevelopedtoprocessthemeasureddatapointsbeforefittingintoaB-splineform.Theformatofthenewdatapointsregeneratedbythepropos

3、edmethodissuitablefortherequirementsforfittingintoasmoothB-splinecurvewithagoodshape.Theentireprocedureofthismethodinvolvesfiltering,curvatureanalysis,segmentation,regressing,andregeneratingsteps.Themethodisimplementedandusedforapracticalapplicationinreverseengineering.Theresultofthereconstruc

4、tionprovestheviabilityoftheproposedmethodforintegrationwithcurrentcommercialCADsystems.IntroductionWiththeprogressinthedevelopmentofcomputerhardwareandsoftwaretechnology,theconceptofcomputer-aidedtechnologyforproductdevelopmenthasbecomemorewidelyacceptedbyindustry.Thegapbetweendesignandmanufac

5、turingisnowbeinggraduallynarrowedthroughthedevelopmentofnewCADtechnology.Inanormalautomatedmanufacturingenvironment,theoperationsequenceusuallystartsfromproductdesignviageometricmodelscreatedinCADsystems,andendswiththegenerationofmachininginstructionsrequiredtoconvertrawmaterialintoafinishedpr

6、oduct,basedonthegeometricmodel.Torealizetheadvantagesofmoderncomputer-aidedtechnologyintheproductdevelopmentandmanufacturingprocess,ageometricmodeloftheparttobecreatedintheCADsystemisrequired.However,therearesomesituationsinproductdevelopmentinwhichaphysicalmodelorsampleisproducedbeforecreatin

7、gtheCADmodel:1.Whereaclaymodel,forexample,indesigningautomobilebodypanels,ismadebythedesignerorartistbasedonconceptualsketchesofwhatthepanelshouldlooklike.2.Whereasampleexistswithouttheoriginaldrawingordocumentationdefinition.3.Wherethe

显示全部收起
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,天天文库负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
关闭