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TECHNICAL PAPERS
Apr 1, 2008

Large-Scale Experimental Verification of Semiactive Control through Real-Time Hybrid Simulation1

Publication: Journal of Structural Engineering
Volume 134, Issue 4

Abstract

Magneto-rheological (MR) fluid dampers have been identified as a particularly promising type of semiactive control device for hazard mitigation in civil engineering structures. Large-scale experimental testing is important to verify the performance of MR fluid dampers for seismic protection of civil structures. Real-time hybrid testing, where only the critical components of the system are physically tested while the rest of the structure is simulated, can provide a cost-effective means for large-scale testing of semiactive controlled structures. This paper describes the real-time hybrid simulation experimental setup for multiple large-scale MR fluid dampers and demonstrates the capability at the University of Colorado at Boulder shared-use Fast Hybrid Test facility to conduct real-time hybrid testing within the Network for Earthquake Engineering Simulation.

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Acknowledgments

The writers gratefully acknowledge the support of this research by the National Science Foundation under Grant No. NSFCMS-0612661 (pre-NEES Research) and Grant No. NSFCMS-0402490 (NEES Operations). They would also like to thank the Lord Corporation for their generous support of this research. Finally, the writers would like to acknowledge the diligent efforts of the staff at the NEES FHT system at CU in helping to set up and conduct these experiments.

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Published In

Go to Journal of Structural Engineering
Journal of Structural Engineering
Volume 134Issue 4April 2008
Pages: 522 - 534

History

Received: Jul 19, 2006
Accepted: Nov 2, 2007
Published online: Apr 1, 2008
Published in print: Apr 2008

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Notes

Presented at the 2006 Structures Congress & 17th Analysis and Computation Speciality Conference, May 18–20, 2006, St. Louis.
Note. Associate Editor: Finley A. Charney

Authors

Affiliations

Richard Christenson, A.M.ASCE [email protected]
Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Connecticut, 261 Glenbrook Rd., Unit 2037, Storrs, CT 06269-2037 (corresponding author). E-mail: [email protected]
Yi Zhong Lin, S.M.ASCE [email protected]
Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Connecticut, 261 Glenbrook Rd., Unit 2037, Storrs, CT 06269-2037. E-mail: [email protected]
Andrew Emmons, M.ASCE [email protected]
Engineer, Martin/Martin Consulting Engineers, 12499 West Colfax Ave., P.O. Box 151500, Lakewood, CO 80215-3720. E-mail: [email protected]
Brent Bass, M.ASCE [email protected]
Engineer, Simpson Gumpertz & Heger Inc. Consulting Engineers, 41 Seyon St., Building #1, Suite 500, Waltham, MA 02453. E-mail: [email protected]

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