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ID:34593488
大小:12.23 MB
页数:56页
时间:2019-03-08
《基于面阵ccd的轨道磨耗测量与分析》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、AbstractDetectiontech工lologyofrailwearensuresthesafetyoftrainrunning·WitllthedeveloDmentofeconomy,theincreasingcapacityandusagefrequencyof‘allway,merallwearismoreandmoreserious.Especiallyinrecentyears,astherequirementofspendinglesstimetogotoothercities,tr
2、ain’srurmingspeedneedstomeeta11ighcrrcquire。nent·Therefore,itisah莉jobtoensurethesafetyoftherail.Becausethepro矗leab。aSlonotrailiseasilyd锄aged,wemustdetecttherailregularly.AccurateandrapidmeasurementoftheabraSionoft11erailisimportantconditionofthesafetyofra
3、il·Thereareavarietyofmeasurementmethodsofrailabrasion,suchaSarti胁alV1洲analvsisme岫dandcalipermeaSurementmethods.Becauseoftheartificials仃cHgth趾dlargee玎ors,itdoesnotmeetwiththerequirementofmeasurementaccuracy孤dspeed·Accd-basednon-contactdetectmethodhaSbeenpr
4、oposedcombinedwimtheknowledgeotimageprocessingandcomputervision.Thethesisfinishedthemeasuremento士abraslonott11erailwmchisbasedonthedevelopmentofMFCandOpenCV.Fisrtofall。thethesisi船oducesthedevelopmentofmethodsoftherail靴盯1ncludingdetec曲gmemods,detectingprin
5、cipleanddetectingproducts·Itcompare8domestlcdetectingschemewithforeigndetectingschemeintheareaofdetecting8peedandac叫acy·Onmebasicofalargen堋mberofreferences,“proposesnon—contact1magedetectingtechnologybasedonCCD.Thewholeprojectdetectingprinciple.detectingf
6、unction,systemisdesignedontheprinciple,includinghardwareandsystemsoftware.Italsoin缸DducesmeStl呲tufeandtheclassificationoftherailandthedefillitionofrailweaLThethesisfocusesonthedigitalimageacquisition,processingandanalysls·。Ihe1magecollectionincludesthedr毗
7、ofCCD,thedesignoftheopticalsystem,thede819noflinelaser口ar锄eter,thedesignofCCDparameterandseverallocaltests.IrllageprocessmgtheoryisaIlalyzedanddiscussedinthepartofimageprocessing·Ino。dert01magere乱Dration,wemustdofoUowingoperationssuchaSimagedenoising,imag
8、ebmanzatlon,imagethinning.Imagedatummarkchoice,imagematching,railWearco吼tinga11dgauge1sc枷edoutinmepanofimageanalysis.Thelocalcollectinganddetec恤gso脚are1sdeveloDed.Its蚴ionsincludeimagecollecting,imagedetecting,ca眦mca
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