Experimental validation of digital Wiener-Hopf control design for vibration suppression in structures

William H. Bennett; Chris LaVigna

doi:10.1117/12.152741

8 September 1993 Experimental validation of digital Wiener-Hopf control design for vibration suppression in structures

William H. Bennett; Chris LaVigna

Author Affiliations +

Proceedings Volume 1917, Smart Structures and Materials 1993: Smart Structures and Intelligent Systems; (1993) https://doi.org/10.1117/12.152741
Event: 1993 North American Conference on Smart Structures and Materials, 1993, Albuquerque, NM, United States

Abstract

Results of a project to validate and test implementation of Wiener-Hopf optimal controllers for active suppression of vibrations in structures using digital signal processing methods are reported. The Wiener-Hopf design approach employs frequency response models and computational approach for resolving tradeoffs in multichannel vibration control systems based on steady state performance measures. Explicit frequency domain constructions for modeling distributed parameter elastic vibration response in structures can be exploited. Controller design optimization and implementation is achieved using computational algorithms based on data sampling of either model generated or empirically measured frequency response. The experiments described employ nonrecursive, Finite Impulse Response (FIR) algorithms implemented in state-of-the-art Digital Signal Processors (DSP) for realtime vibration control. The results reported provide analytical and experimental validation of the design approach. The experimental results reported were recently obtained in a series of experiments performed on a 12 meter truss experiment at the Wright Laboratories.

Citation Download Citation

William H. Bennett, William H. Bennett, Chris LaVigna, Chris LaVigna, } "Experimental validation of digital Wiener-Hopf control design for vibration suppression in structures", Proc. SPIE 1917, Smart Structures and Materials 1993: Smart Structures and Intelligent Systems, (8 September 1993); doi: 10.1117/12.152741; https://doi.org/10.1117/12.152741

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