American Society of Civil Engineers

Validation of a Fast Hybrid Test System with Substructure Tests

by P. Benson Shing, (University of California at San Diego, La Jolla, CA, E-mail:, Andreas Stavridis, (University of California at San Diego E-mail:, Zhong Wei, (University of Colorado, Boulder, CO E-mail:, Eric Stauffer, (University of Colorado, Boulder, CO E-mail:, Robert Wallen, (University of Colorado, Boulder, CO E-mail:, and Rae-Young Jung, (University of Colorado, Boulder, CO E-mail:
Section: Hybrid Simulation: Testing and Verification of Real-Time Control Systems, pp. 1-16, (doi:

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Document type: Conference Proceeding Paper
Part of: Structures Congress 2006: 17th Analysis and Computation Specialty Conference
Abstract: This paper presents the substructure testing methodology developed for a state-of-the-art fast hybrid test system and the testing of a steel zipper frame. The testing technique is based on the pseudodynamic test concept that combines model-based simulation with physical testing. In the hybrid tests presented here, only the bottom-story braces of a three-story zipper frame were tested, while the rest of the frame was modeled in a computer during a test using a general structural analysis framework OpenSEES. The tests have demonstrated the capability and reliability of the system. The discussion also covers pertinent issues and considerations for carrying out a successful test.

ASCE Subject Headings:
Hybrid methods