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Aspects of Passive Control of Structural Vibrations

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Abstract

A preliminary attempt to organize innovative strategies such as Base Isolation, Supplemental Energy Dissipation, Tuned Mass Damping and other combined approaches recently proposed by the authors, in a more general theory of Structural Control, is presented. To visualize the relationships between dynamic variables and subsystems, the block-diagram representations are used in order to obtain the regulation properties of the systems. It has been proven that the Base Isolation technique applies an open-loop control law and that Tuned Mass Damping and Supplemental Energy Dissipation realize closed-loop control laws. The block-diagram of the new combined strategy Base Isolation and Tuned Mass Damping is presented. The objectives of the regulating criteria are also discussed in order to shape the dynamic response in the frequency domain. The H 2 and H methods are considered as optimal control algorithms.

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Palazzo, B., Petti, L. Aspects of Passive Control of Structural Vibrations. Meccanica 32, 529–544 (1997). https://doi.org/10.1023/A:1004244221103

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  • DOI: https://doi.org/10.1023/A:1004244221103

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