Actuator Saturation and Control Design for Buildings under Seismic Excitation
Publication: Journal of Engineering Mechanics
Volume 128, Issue 4
Abstract
Efficient design techniques are presented for improving the response of seismic-excited buildings under actuators with limited capacity. Information regarding the actuator capacity and estimated peak ground acceleration is used to fine tune the controller and reduce conservatism. Both state feedback and observer-based controllers are discussed. The observer-based controller uses the measurement of the ground acceleration, though this requirement can be removed easily. Sufficient conditions for feasibility of a feedback controller are expressed in terms of linear matrix inequalities. Performance of the proposed techniques is illustrated through simulations of a six-story building subject to earthquake ground motion.
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References
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Information
Published In
Journal of Engineering Mechanics
Volume 128 • Issue 4 • April 2002
Pages: 403 - 412
Copyright
Copyright © 2002 American Society of Civil Engineers.
History
Received: May 23, 2000
Accepted: Aug 8, 2001
Published online: Apr 1, 2002
Published in print: Apr 2002
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