二維PSD在石油鉆桿曲率檢測中的應(yīng)用.pdf

1、大連理工大學(xué)碩士學(xué)位論文二維PSD在石油鉆桿曲率檢測中的應(yīng)用姓名：孟秀娟申請學(xué)位級別：碩士專業(yè)：光學(xué)工程指導(dǎo)教師：賴康生20060601維PSD在彳i油鉆桿曲率檢測中的應(yīng)用TheapplicationoftwodimensionalPSDincurvatureofoildrilltestingsystemAbstractCurvatureofoildrillpipetestingisallimportanttechnologyinoil

2、prospectingInthispaperanewcurvaturetestingsystembasedonPSDisdevelopedinoildrillpipedetectionThissystemisaprecisecurvaturetestingsysteminoildrillpipedetectionwhichusespositionsensordetectorcombiningphotoelectrictechnology

3、andSensortechnologyComparedwithtraditionmethodthissystemhasthecharacteristicsofhigIlprecision，smallvolume，easytobeused，lowpowerfastresponseetc，SOithashigheconomiceffectandscientificutilityThepositionsensordetectorof$5991

4、—01isselectedinthissystemwhichhastheeffectiveareaofphotosensitivesurfacelOmmxlOmm；asemiconductorlaserwhichcenterwavelengthisaboutO96ⅣmwasusedasthelightSOUrCe，becauseitsreflectingspectrumsandpeakresponsewavelengthofPSDmat

5、cheswell；InsoftwaredesigningClanguageisusedwhichmakethefunctionofthesoftwareeasyexpend，makethereal—timeopcratingsystemeasydownload，makethemultitaskoperatingsystemeasycarryoutTheconcretedesignschemeisasfollows：positionsen

6、sordetectorissetononesideofoildrillpipe，semiconductorlaserissetontheothersideofoildrillpipe，andthentheraywhichpassedthroughopticalsystemwillirradiatethepositionsensordetectorIfthereislittlebendingofthepipe，thebeamwaistwi

7、llbeinthecenterofPSD，otherwisethebeamwaistfromthecenterofPSDwillbeexistedAccordingtoamountofcurvedreachofthepipe，thepositionofbeamwaistwillchangeTheAC—currentsignalfromPSDwhichisilluminatedbythelightsourcepassesthroughcu