000004853 001__ 4853
000004853 005__ 20141119144559.0
000004853 04107 $$aeng
000004853 046__ $$k2002-06-02
000004853 100__ $$aWhalen, Timothy M.
000004853 24500 $$aSEMI-ACTIVE VIBRATION CONTROL FOR THE 3RD GENERATION BENCHMARK PROBLEM INCLUDING SPILLOVER SUPPRESSION

000004853 24630 $$n15.$$pProceedings of the 15th ASCE Engineering Mechanics Division Conference
000004853 260__ $$bColumbia University in the City of New York
000004853 506__ $$arestricted
000004853 520__ $$2eng$$aNew control algorithms that combine spillover suppression with semi-active modal vibration control via the use of magnetorheological (MR) dampers are studied. The advantages of this approach include the traditional positive attributes of MR dampers as well as more efficient use of the dampers obtained by targeting control effort at high energy modes and preventing spillover. Strategies for this combined approach are compared to existing algorithms that concentrate solely upon vibration control. Performance measure improvements have been found and are discussed. In the context of the benchmark problem, one structure is shown to possess vibration modes that involve primarily vertical motion with virtually no horizontal displacements. Some of these vertical vibration modes occur at relatively low frequencies, and their presence can produce unexpected behaviors. The impact of including these modes in the new control/spillover algorithms has been quantified and found to be significant. The modeling of this structure has been investigated to determine the relevance of these modes to the actual behavior of the structure. The consequences of this for all structural control algorithms are discussed.

000004853 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000004853 653__ $$aMagnetorheological dampers, benchmark problem, modal and spillover control, vertical mass modeling.

000004853 7112_ $$a15th ASCE Engineering Mechanics Division Conference$$cNew York (US)$$d2002-06-02 / 2002-06-05$$gEM2002
000004853 720__ $$aWhalen, Timothy M.$$iBhatia, Kishor M.$$iArcher, Graham C.
000004853 8560_ $$ffischerc@itam.cas.cz
000004853 8564_ $$s520861$$uhttp://invenio.itam.cas.cz/record/4853/files/435.pdf$$yOriginal version of the author's contribution as presented on CD, .
000004853 962__ $$r4594
000004853 980__ $$aPAPER