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Active Control of Vibrations in Tall Structures Subjected to Earthquake and Wind Disturbances

[+] Author Affiliations
Kevin Kruck, A. G. Kelkar

Iowa State University, Ames, IA

Paper No. IMECE2002-33558, pp. 429-436; 8 pages
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Dynamic Systems and Control
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Dynamic Systems and Control Division
  • ISBN: 0-7918-3629-0 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME


This paper presents active control design methodologies for control of tall building structures subjected to earthquake and wind disturbances. In particular, a robust control methodology based on passivity-based design techniques is given and is compared with traditional optimal control design methods such as LQR and LQG. The controller designs are tested in simulation on a multi-storied building structure subjected to an earthquake disturbance using the actual seismic data from the famous 1940 El Centro earthquake of the Imperial Valley in southern California. The comparison of open- and closed-loop responses show the effectiveness of passivity-based control design over LQR and LQG designs.

Copyright © 2002 by ASME
Topics: Vibration , Earthquakes , Wind



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