000013235 001__ 13235
000013235 005__ 20161114160333.0
000013235 04107 $$aeng
000013235 046__ $$k2009-06-22
000013235 100__ $$aLee Y., S.
000013235 24500 $$aNonlinear nonparametric system identification method with broad applicability

000013235 24630 $$n2.$$pComputational Methods in Structural Dynamics and Earhquake Engineering
000013235 260__ $$bNational Technical University of Athens, 2009
000013235 506__ $$arestricted
000013235 520__ $$2eng$$aBased on the correspondence between numerical empirical mode decomposition (EMD) and underlying slow flow dynamics of general dynamical systems we formulate the elements of a nonparametric nonlinear system identification method with broad applicability. The derived reduced order models (ROMs) are in the form of sets of uncoupled linear oscillators (termed intrinsic modal oscillators – IMOs), each corresponding to a basic frequency of the dynamical interaction and forced by transient excitations that represent the nonlinear modal interactions between the rod and the attachment at each of these basic frequencies. We demonstrate the method with a strongly nonlinear system.

000013235 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000013235 653__ $$aNonparametric system identification Abstract. Based on the correspondence between numerical empirical mode decomposition (EMD) and underlying slow flow dynamics of general dynamical systems we formulate the elements of a nonparametric nonlinear system identification method with broad applicability. The derived reduced order models (ROMs) are in the form of sets of uncoupled linear oscillators (termed intrinsic modal oscillators – IMOs), each corresponding to a basic frequency of the dynamical interaction and forced by transient excitations that represent the nonlinear modal interactions between the rod and the attachment at each of these basic frequencies. We demonstrate the method with a strongly nonlinear system.

000013235 7112_ $$aCOMPDYN 2009 - 2nd International Thematic Conference$$cIsland of Rhodes (GR)$$d2009-06-22 / 2009-06-24$$gCOMPDYN2009
000013235 720__ $$aLee Y., S.$$iTsakirtzis, S.$$iVakakis A., F.$$iBergman L., A.$$iMcFarland D., M.
000013235 8560_ $$ffischerc@itam.cas.cz
000013235 8564_ $$s107217$$uhttps://invenio.itam.cas.cz/record/13235/files/CD340.pdf$$yOriginal version of the author's contribution as presented on CD, section: Identification methods in structural dynamics - ii (MS).
000013235 962__ $$r13074
000013235 980__ $$aPAPER