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MA parameters based on ARMAX model and the dynamic parameters of the modified frame structure identification

eeHyeongjin. Substructuralidentific · ationfordamageestimationofstructure. StructuralSafe-tyt1997 {16 (1) tl2l-l4O9 Carolina Wing. System identification of a user's theory. Wrapped Zhendong. Hospital glory. Translation matrix in the village. Shanghai,[link widoczny dla zalogowanych], East China Normal University Publishing Du. 1990r75-85lo HE Lin. Dynamic structural damage identification system parameter identification of data: [Dissertation]. Xi'an: Xi'an Institute of Information and Electronic Engineering. 1999ll Meng Zhao Qin. Lee Dynasty. HE Lin. Vibration data linear and nonlinear mathematical model of the moment. Xi'an University of Technology. 1997I5 (6) :58-6312 Meng Zhao Qin. Ho Lin et al. Linear and nonlinear structural damage characteristic spectrum of pattern recognition and applications. Xi'an University of Technology. 1999I14 (10) :48-5213 Roderick Woo. Summary of hysteretic-type energy reduction system testing,[link widoczny dla zalogowanych], analysis and design methods IW = position paper]. Dark Harbin,[link widoczny dla zalogowanych], Harbin Institute of Architecture University of soil surgery. 1 scorpionfish} 8DynamicParameterIdentificationofSteelFrameStructureBasedonARMAXModelandMAParameterUpdatingHeLinOudinping (SchoolofBuildingEngineering-HarbinInstituteofTechnologyHarbin a 150090) AbstractDynamicparameteridentificationandsignatureextractionofstructureshavebecomeakeyresearchtopic,[link widoczny dla zalogowanych], especiallyforthehealthmonitoringofinfrastructures. Thispapermodelsstructuresonvibrationdatausingauto-regresMvemovingaver-ageexogenous (ARMAX) discretetime-seriesmodeltoidentifythefrequenciesanddampingofthestructure. Inordertosolvethemulti-valueproblemcausedbythephase. itdevelopsamethodofusingtheMAparametersasauxiliaryparametersfortheARmethodtoidentifytherightfrequencyanddampingofthestructure. Thismethodcancompletelyeliminatethemismatchedvaluesoffrequencyanddampingcausedbytheproblemofphase. Experimentalresponsedatafromamodelofsteelframestructureareusedtoverifythetechnique. TberesultsshowthatthemethodcanobtainbettervaLuethanthemethodofonlyusingARparameterforidentifyingthedynamicparametersoffrequencyanddamping. Keywords: framestructureIparameteridentificationtARMAX first author Colin Male. Bo ± graduate students. August 1971 students. Telephone I (0451) 6282209 {E-mail: helin9901 @ 163. corn

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