Sequential design of multioverlapping controllers for structural vibration control of tall buildings under seismic excitation
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Document typeArticle
Defense date2012-11-30
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Abstract
In this article, a computationally effective strategy to obtain multioverlapping controllers via the inclusion principle is
applied to design a state-feedback multioverlapping linear-quadratic regulator controller for a 20-story building. The proposed
semidecentralized controller only requires state information of neighboring stories to compute the corresponding
control actions. This particular information exchange configuration allows introducing a dramatic reduction in the transmission
range required for a wireless implementation of the communications system. More specifically, just a one-story
transmission range is required by the proposed multioverlapping controller, while a full-building transmission range
would be necessary in a classical centralized design. From a computational point of view, the presented design strategy
only involves the actual computation of a reduced set of low-dimension controllers. The numerical simulations indicate
that despite the simplified low-dimension design and the severe information exchange constraints, the proposed semidecentralized
multioverlapping controller achieves a surprisingly high level of seismic attenuation when compared with the
centralized linear-quadratic regulator controller.
CitationKarimi, H.R. [et al.]. Sequential design of multioverlapping controllers for structural vibration control of tall buildings under seismic excitation. "Proceedings of the Institution of Mechanical Engineers. Part I, journal of systems and control", 30 Novembre 2012, núm. 30 November, p. 1-8.
ISSN0959-6518
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