Active Control of a Cable -Stayed Bridge Against Earthquake Excitations
Turan, Gursoy
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https://hdl.handle.net/2142/83159
Description
Title
Active Control of a Cable -Stayed Bridge Against Earthquake Excitations
Author(s)
Turan, Gursoy
Issue Date
2001
Doctoral Committee Chair(s)
Bergman, Lawrence A.
Petros Voulgaris
Department of Study
Civil Engineering
Discipline
Civil Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
The performance of the LQG- and H2-based controllers was less than satisfactory, in the sense that the performance was not as good for the evaluation model as it was for the design model. The controller designed with mu-tools, on the other hand, was robust, and the resulting evaluation criteria were better than those of the LQG and H2 designs. A stiffness perturbation analysis was also completed. The time and frequency responses showed no signs of instability for perturbations of +/-7%. Therefore, it was concluded that the mu-tools-based controller would perform well.
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