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Proceedings Paper

Semi-active TMD with piezoelectric friction dampers in floor vibration control
Author(s): Guoliang Jiang; Linda M. Hanagan
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Paper Abstract

This paper analyzes the application of semi-active variable damping TMD (SAVDTMD) with piezoelectric friction dampers as an alternative to existing methods to control floor vibrations, especially walking-induced vibrations. The use of a MDOF floor model in the analysis provides some insight on the effect of modes not targeted in the design of the controller. An optimal semi-active control law originally developed for vehicle suspension control was incorporated into the analytical models. Two floor system examples, typical of those that would have a floor vibration problem, are evaluated and shown to be controlled successfully by the SAVDTMD at both the targeted and untargeted modes. Problems of spillover of the control force to untargeted modes was analyzed and determined to be stabilizing.

Paper Details

Date Published: 15 March 2006
PDF: 11 pages
Proc. SPIE 6169, Smart Structures and Materials 2006: Damping and Isolation, 616915 (15 March 2006); doi: 10.1117/12.657754
Show Author Affiliations
Guoliang Jiang, North Carolina State Univ. (United States)
Linda M. Hanagan, The Pennsylvania State Univ. (United States)


Published in SPIE Proceedings Vol. 6169:
Smart Structures and Materials 2006: Damping and Isolation
William W. Clark; Mehdi Ahmadian; Arnold Lumsdaine, Editor(s)

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