Title of article
AlgorithmautomationfornuclearpowerplantLoosePartsMonitoringSystemOriginalResearchArticle
Author/Authors
YoungWooChang، نويسنده , , Jae-CheonJung، نويسنده , , Poong-HyunSeong، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
9
From page
99
To page
107
Abstract
LoosePartsMonitoringsignalsinthecontrolroomofthenuclearpowerplantcomeinthroughmultiplechannelsandarepresentedasgraphsonthedisplaydevices.Itinvolvesalengthyandcomplicatedprocesstodeterminethesize,mass,speed,andimpactlocationoftheloosepartwhenthesignalsarecollectedandprocessed.Inthiswork,asimpleandefficientmodelfordeterminingtheimpactlocationoftheloosepartusingtheLeast-Sum-of-Square-Errors(LSSEs)methodcombinedwithiterationhasbeendevelopedbasedonthephasedistortionoftheimpactsignalenvelopes.Thesignalpeakpointshiftstotherightonthetimeaxiswhenthesensorislocatedfartherawayfromtheimpactlocation.Thismethodprovidesagoodestimationoftheimpactlocationandcanbeusedasanalternativetoexistingcalculationsbasedonotherattributesoftheimpactingsignal.ToautomatethebackendportionoftheLPMSalgorithm,interpolationwasusedforcompensatingtheimpactattenuationeffectandlog-logregressionwasalsoemployedtodeterminetheimpactingpartsizeandimpactvelocity,andtheresultturnedouttobewellinlinewiththemanualcalculations.TheautomatedalgorithmwillimprovetheefficiencyoftheLPMSsoftware.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2004
Journal title
Nuclear Engineering and Design Eslah
Record number
894753
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