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Conference Papers Year : 2013

A semi-active controller tuning and application to base seismically-isolated structures

Abstract

This paper proposes a modified version of Leitmann and co-authors' classical result on the stabilization of uncertain nonlinear systems. In particular, for usual models of structure dynamics in earthquake engineering it is shown that applying a specific control law drives the state variables into a ball around the origin (arbitrarily chosen) in finite time as long as the radius of the ball is not lower than a limiting value. In addition estimates of this limiting ball radius and the time limit for arbitrary ball radius are provided. The semi-active control thus provides the control designer with interesting design parameters. It is also an attempt to explicitly use pseudoacceleration floor response spectrum as a performance criterion. Though not limited to twodegree- of-freedom structures, this semi-active control is applied to these plant models for simplicity and illustrated through simulations.
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Dates and versions

hal-00828883 , version 1 (31-05-2013)

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Catalin-Stefan Teodorescu, Sette Diop, Ioannis Politopoulos, Messaoud Benidir. A semi-active controller tuning and application to base seismically-isolated structures. 12th European Control Conference (ECC 2013), Jul 2013, Zurich, Switzerland. Paper 910, ⟨10.23919/ecc.2013.6669607⟩. ⟨hal-00828883⟩
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