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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 60
OPTIMIZATION AND CONTROL IN CIVIL AND STRUCTURAL ENGINEERING Edited by: B.H.V. Topping and B. Kumar
Paper VI.10
Parametric Control of Structures under Seismic Forces U. Aldemir and M. Bakioglu
Faculty of Civil Engineering, Technical University of Istanbul, Turkey U. Aldemir, M. Bakioglu, "Parametric Control of Structures under Seismic Forces", in B.H.V. Topping, B. Kumar, (Editors), "Optimization and Control in Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 223-228, 1999. doi:10.4203/ccp.60.6.10
Abstract
In this paper, parametric control approach is used for the
seismic response suppression of a single story damped
structure subjected to El Centro earthquake. It is assumed that
the stiffness and the damping parameters can be changed
independently from each other. Optimal active control is also
considered for comparison. The control policy for the
parametric control case is developed by minimizing the total
mechanical energy of the main structure. To demonstrate the
efficiency of the proposed method, behaviour of a single
story damped structure under both optimal active and
parametric control is investigated for El Centro earthquake. It
is shown that both parametric control and the optimal active
control systems can be used effectively to reduce the
earthquake induced structural vibrations.
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