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Composite robust active control of seismically excited structures with actuator dynamics

✍ Scribed by Luo, N.; Rodellar, J.; De Le Sen, M.

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 291 KB
Volume: 27
Category: Article
ISSN: 0098-8847
DOI: 10.1002/(sici)1096-9845(199803)27:3<301::aid-eqe734>3.0.co;2-y

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✦ Synopsis

In this paper, composite robust active control schemes are proposed for a class of non-linear base isolated structures in the presence of unknown seismic excitation, parametrical uncertainties and actuator dynamics. Only the information on state variables of the structural base and the first floor of the main structure has been used in the control design. A numerical simulation example is given for a ten-storeyed base isolated structure under the El Centro earthquake to show the effectiveness of the proposed control scheme.

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Considerable effort has been devoted to develop passive and active methods for reducing structural response under seismic excitations. Passive control approaches have already found application in practice. Active control methods, on the other hand, are being vigorously examined for application to ci