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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 43
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

Full Bibliographic Reference for this paper
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
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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