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《激光掃描三維形貌測(cè)量系統(tǒng)的優(yōu)化研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、天津大學(xué)碩士學(xué)位論文激光掃描三維形貌測(cè)量系統(tǒng)的優(yōu)化研究姓名：龐曉紅申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：測(cè)試計(jì)量技術(shù)及儀器指導(dǎo)教師：邾繼貴20090801ABSTRACT：Inrecentyears，manyfieldscorrelativewiththeReverseEngineeringaredrivedbytheRapidDevelopmentoftheReverseEngineering．Especiallythenon—contactlaserscanningmeasurementwhichhavegoodmeasurementspeed，measurementofhigheff
2、iciency．easyautomation,andgoodflexibility．，nlethree—dimensionalshapemeasurementtechnologyresearchhasbeenincreasingattentioninthemodemindustryandisthenewtrendofdevelopment．Wimathoroughunderstandingoflaserscanningtechnologydevelopmentathomeandabroad，analyzethecharacteristicsoflaserthree-dimen
3、sionalscanningsystemwhichisbeingstudied．Wimhigherdemands．developasetofmeasurementsystemwithhardwareandsoftwaresystemofrelativelygoodoverallperformance，whichgreatlyimprovesthestabilityofthemeasurementsystemandefficiencyofmeasurement．功especificworkisasfollows：1．Detailedanalysisandresearchhave
4、beencarried．butonhardwarecomponentsofthemeasuringsystemandtheoptimaldesignhasbeencarriedoutonthescanningprobehardware，mechanicaltransmissionstructure，controlcircuitandcontrolprocedures，whicheffectivelyimprovestheefficiencyofmeasurement．Amongthem,thenumberofthelasersincreasetosevenandtheprob
5、estructureisre-designed；scanningtransmissionpartisreplacedbymotorcontrolchip，andtheuseofgeartransmissionstructureimprovestheeffectivenessofthemeasurementdata；redesignalasercontrolcircuitandmotordrivecircuitandenhancecommunicationbetweenthehostcomputerandtheslavecomputerthroughoptimizationof
6、controlprocedures．2．nedataofpointcloudsCanbeacquiredbyscanningthesurface．Thesedataofpointcloudsforanalysisandresearchforthedataproblems，thedatawillhavet0bedealtwith,suchasdisplays，de·noising，streamlinesamplingandSOon，togetthevalueclosertothetruevalueofthemeasurementsandlayagoodfoundationfor
7、thefollow—upthree—dimensionalreconstruction．3．111eoptimizedsystemisusedtoscantheobject．Experimentresultsshowsthattheoptimaldesignachievesthedesiredvision,scanningefficiencyisimprovedandmeasurementdataistrueandreliable．Afterpropertreatment，itwillbemorepro
