圖像處理技術在開關電弧中的應用.pdf

1、河北科技大學碩士學位論文圖像處理技術在開關電弧中的應用姓名：王彥霞申請學位級別：碩士專業(yè)：計算機應用技術指導教師：劉教民20081201河北科技火學碩十學11)：論文AbstractSwitchingarcwillbeengenderincontactgapwhencontactoflowvoltageapparatuscloseorbreakinelectriccircuitThetemperaturewillincreaseextr

2、emelyinashorttimewhentheelectricarcisburned，whichpossiblyaffecttheperformanceoftheelectricproductions，especiallytheeffectontheerodingofthecontactmayreducethereliabilityandtheelectriclifeoftheapparatusWebringforwardthereb

3、uildingmethodbasedonthetheoryofcomputertomogramrebuildRadioactivetransferequationandtestsystematicmodeloftheelectricarcarebuiltaccordingtothetraitoftheAClowvoltagecontactorThedeviceofthethreegroup—sixrouteelectricarcacqu

4、iringisdesigned，theradioactiveprojectionofthebreakelectricaleoftheACcontactorispracticallyscreenedBecauseofthemarginalbogusshadowwhichisbroughtbythetraditionaliterativealgorithmduringtheimagesreconstruct，theprojectiveequ

5、ationisjoinedthereconstructionofthetargetoptimizedimageasarestrictioncondition，aimagerebuildalgorithmbasedontheleastsquareestimateisputforwardAlloftheseovercomethebogusshadowinthereconstructionregionmarginApplysuccessful

6、lyinr9constructureofthetemperaturedistributingontheelectricarcThedistributingofthetemperatureonthedifferentsectionduringtheelectricarciSburntThereconstructedsectionaItemperatureisothermalchartcanclearlyshowtheradiantener

7、gyfieldintheinterrupter，whichoffersthebasestOanalysisofthecorrosionofcontactandtheeffectontheinterrupter’SwallForarcingtimeisveryshortinswtichinggrear，itisverydifficulttOobservearcphenomenadirectlyforresearcherElectrical

8、contact，interruptercannotbedirectlyobserved，becauseofitsveryhighlightfeatureintheoriginalimageArcimageacquisitions，imageprocessing，edgedetectionandweakfeatureenhancementtechniqueswasstudied。Therefore，visualizationofswitc