Integrated Design of Controlled Linear Structural Systems
Publication: Journal of Structural Engineering
Volume 135, Issue 7
Abstract
This paper addresses the integrated design of civil engineering structures with control systems. Simultaneous optimization of such controlled structures is considered, showing that new alternative solutions can be achieved through integrated design. A procedure for design of controlled structural systems is developed using a two-stage approach: (1) a design of an optimal control system using a linear quadratic regulator algorithm; and (2) a redesign using an optimization procedure to match the performance of the controlled system obtained in (1). A linear single degree of freedom steel portal frame and a linear nine degree of freedom shear-type structure are used as examples to illustrate the feasibility of the proposed approach that reduces the structural weight of buildings by incorporating active or passive control elements while preserving the performance objectives.
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Acknowledgments
This research was conducted at University at Buffalo and supported by the Multidisciplinary Center for Earthquake Engineering Research (MCEER), which in turn is supported by the Earthquake Engineering Research Centers Program of the National Science Foundation under Award No. NSFEEC 970147.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 135 • Issue 7 • July 2009
Pages: 853 - 862
Copyright
© 2009 ASCE.
History
Received: Mar 31, 2008
Accepted: Feb 9, 2009
Published online: Feb 25, 2009
Published in print: Jul 2009
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