Passive, active and semi-active control have been extensively considered to improve the protection of base-isolated structures against earthquakes. This paper presents a strategy to apply control forces to the base of an isolated structure to enhance the performance of purely passive devices. The
main feature is the simplicity in formulation, design and implementation. It is formulated as a static nonlinear function
depending only on the base velocity. This function ensures energy dissipation capability with always bounded control
force. The control is applied to a three-dimensional benchmark problem which is used by the structural control community as
a state-of-the-art model for numerical experiments of seismic control attenuation. Several performance indices show that the
proposed controller is efficient with a reasonable control effort.
CitationPozo, F. [et al.]. A velocity-based seismic control for base-isolated building structures. A: American Control Conference. "2009 American Control Conference". St. Louis, Missouri: American Automatic Control Council, 2009, p. 3908-3913.
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