Research Article
Dec 1979
General Approach to Active Structural Control
Authors: Mohamed Abdel-Rohman and Horst H. LeipholzAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 105, Issue 6
Abstract
A general approach is proposed to be used in the active control of civil engineering structures. The approach aims at satisfying, simultaneously, the safety of the structure, the desired human comfort, and the feasibility of control. The problem is formulated as an optimal control problem subjected to equality and inequality constraints. These constraints represent, respectively, the structure's model and the requirements on the controlled response. Since a solution of an optimal control problem becomes cumbersome for a high-order system, a method is offered to make the order of the system as small as desired. Also, an algorithm is offered that enables one to obtain a closed-loop control in the presence of the inequality constraints. It is shown that by using quadratic objective functions as performance indices and step penalty functions for the inequality constraints, an optimal feedback control law can be found. The approach is applied to the active tendon control of a two-story building frame.
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Published In
Journal of the Engineering Mechanics Division
Volume 105 • Issue 6 • December 1979
Pages: 1007 - 1023
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: Dec 1979
Published online: Feb 3, 2021
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Authors
Affiliations
Mohamed Abdel-Rohman
Research Asst., Dept. of Civ. Engrg., Univ. of Waterloo, Waterloo, Ontario, Canada
Horst H. Leipholz
Prof., Dept. of Civ. Engrg., Univ. of Waterloo, Waterloo, Ontario, Canada
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.