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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 43
ADVANCES IN COMPUTATIONAL TECHNIQUES FOR STRUCTURAL ENGINEERING Edited by: B.H.V. Topping
Paper X.2
Reliability as a Measure of Active Control Effectiveness P. Venini and C. Mariani
Department of Structural Mechanics, University of Pavia, Pavia, Italy P. Venini, C. Mariani, "Reliability as a Measure of Active Control Effectiveness", in B.H.V. Topping, (Editor), "Advances in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 205-210, 1996. doi:10.4203/ccp.43.10.2
Abstract
This contribution presents a state-space framework for
performing the reliability analysis of uncertain structural
systems in the presence of active control and stochastic
excitation. The control framework is general enough to
allow use of modern robust techniques, e.g. H2
and HOmega, as well as more classical
regulations such as LQG. To deal with system uncertainties,
the perturbative version of the finite-element method is
adopted with the aim of computing the statistics of the
extreme response of the structure. Eventually, reliabilities
are computed via asymptotic techniques for both the controlled
and uncontrolled cases within a few numerical examples.
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