基于qr分解法和有效獨(dú)立法的大型鋼結(jié)構(gòu)健康監(jiān)測(cè)測(cè)點(diǎn)優(yōu)化布置-研究與應(yīng)用

《基于qr分解法和有效獨(dú)立法的大型鋼結(jié)構(gòu)健康監(jiān)測(cè)測(cè)點(diǎn)優(yōu)化布置-研究與應(yīng)用》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫。

1、一ljhk’(，★～}f-山東建筑大學(xué)碩士學(xué)位論文StudyandApplicationoftheSensorsOptimalPlacementDependsontheQRDecompositionMethodandtheEffectiveIndependenceAlgorithmintheLarge—scaleSteelStructureEngineeringHealthMonitoringABSTl認(rèn)CTThestructurehealthmonitoringhasbeenoneoftheresearchfocus，andthe

2、sensorsoptimalplacementisthekeystepofit，andtherearemanymonitoringdatacollectionmethods，thisarticlecomparedtheprinciples，classificationsandthecharacteristicsofthefiberBragggratingsensors，vibratingwiresensors，piezoelectricsensorsandsomeotherkinds；accordingtotheactualproj

3、ectsituation，thevibratingwiresensorswerechosenforthisproject，alsoprovidedgoodreferenceforsimilarprojectsUsingthemathematicaldescription，combiningthestructuraldynamicsandthemodalanalysistheory,thetheoreticalprinciplesofthevibrationsensorsoptimalplacementinthehealthmonit

4、oringarebasicallyelaborated；weintroducedsomerepresentativesensorsoptimalplacementprinciples，analyzedthebasicprinciplesoftheminimumerror-identifyguidelinesandtheoptimalplacementprinciplesdependonenergyandmodalassurance．Eightclassicoptimizationcalculatemethods(theeffecti

5、veindependencealgorithm，theQRdecompositionmethod，theeffectivestrainenergymethod，geneticalgorithm，theMACmethod，Guyanmodelreductionmethod，modalkineticmethod，andsingularvaluedecompositionmethod)wereStudied．Withcomparingtheircharacteristics，wethoughtusingboththeQRdecomposi

6、tionmethodandtheeffectiveindependencealgorithmtosomelarge—scalestructureengineeringhealthmonitoringsensorsoptimalplacementCanbemoreaccurateandreducetheiterationsoftheeffectiveindependencealgorithm，itissimplyoperatedandhi．gh—efficientlycalculated．Usetheresearchachieveme

7、nttooptimizethevibrationsensorsofthesteelbleachersoftheGrandTheatreConcertHall．FirstlyusingthegreatfiniteelementanalysissoftwareANSYStoestablishthemodel，outputthe．first10vibrationmodematrixofthesteelbleachers；secondly,usingtheMATLABlanguagetoexecutetheQRdecompositionto

8、the．一～’^kf■山東建筑大學(xué)碩士學(xué)位論文目錄摘要??????????????????????1ABSTRACT???????????????????··．1I第1章緒論1．1課題的研究背景和科學(xué)研究意義????????????一