Feasibility Study of Adaptive Control of Structures under Seismic Excitation

A preliminary experimental investigation is carried out to assess the feasibility of the adaptive feedforward control approach for the response reduction of structures excited by seismic ground motions. Although adaptive control has been used in many areas of engineering, its applications to control...

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Bibliographic Details
Published in:Journal of engineering mechanics 1994-03, Vol.120 (3), p.580-592
Main Authors: Burdisso, R. A, Suarez, L. E, Fuller, C. R
Format: Article
Language:English
Subjects:
Applied sciences
Buildings. Public works
Exact sciences and technology
Geotechnics
Structure-soil interaction
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Summary:A preliminary experimental investigation is carried out to assess the feasibility of the adaptive feedforward control approach for the response reduction of structures excited by seismic ground motions. Although adaptive control has been used in many areas of engineering, its applications to control of civil engineering structures remains unexplored. The proposed methodology is presented together with a brief description of the theory. The adaptive feedforward methodology overcomes many of the shortcomings of previously proposed methods for structural control through the use of adaptive filters in conjunction with feedforward control. An experimental demonstration of the proposed method was carried out using a small-scale model of a three-story structure. The experimental study yielded very encouraging results thus showing the potential benefits of applying the adaptive feedforward method in structural control.
ISSN:0733-9399
1943-7889
DOI:10.1061/(ASCE)0733-9399(1994)120:3(580)