TECHNICAL PAPERS
Oct 1, 1996
Robust Control Considering Actuator Saturation. II: Applications
Authors: J. Geoffrey Chase, H. Allison Smith, Associate Member, ASCE, and Tetsuo SuzukiAuthor Affiliations
Publication: Journal of Engineering Mechanics
Volume 122, Issue 10
Abstract
This research applies the robust state feedback control theory developed in Part 1 to the 33-story Riverside Sumida Central Tower, designed and constructed by Obayashi Corporation and located in Tokyo, Japan. Two active mass dampers (AMDs), located on the roof of this structure, are capable of controlling the vibrations due to mild disturbances. This investigation develops robust controllers for these AMDs that account for structural uncertainty and actuator saturation. Several controllers are created and the tradeoffs between robust, worst-case closed-loop system performance and predicted peak actuator effort are illustrated. For the structure/control model used in this investigation, the robust controllers are more effective than traditionally designed LQR controllers at attenuating transient vibrations of the structure when subjected to small magnitude loadings. However, this effectiveness comes at the expense of larger required control efforts. For large magnitude inputs, and nonlinear time-varying systems the controllers outperform the LQR design, and are limited only by the actuator capacity in their effectiveness.
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Copyright © 1996 American Society of Civil Engineers.
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Published online: Oct 1, 1996
Published in print: Oct 1996
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J. Geoffrey Chase
Member, Res. Staff, Xerox Palo Alto Res. Ctr., Sys. and Pract. Lab., 3333 Coyote Hill Rd., Palo Alto, CA 94304.
H. Allison Smith, Associate Member, ASCE
Asst. Prof., Dept. of Civ. Engrg., Stanford Univ., Stanford, CA 94305-4020.
Tetsuo Suzuki
Chief Res. Engr., Tech. Res. Inst., Obayashi Corp.
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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.