Modal energy transfer by controlled structural connections
 
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Institute of Fundamental Technological Research of the Polish Academy of Sciences
CORRESPONDING AUTHOR
Mariusz Ostrowski   

Institute of Fundamental Technological Research of the Polish Academy of Sciences
Online publication date: 2020-01-21
Publication date: 2020-01-21
Submission date: 2019-10-29
Final revision date: 2020-01-15
Acceptance date: 2020-01-20
 
Diagnostyka 2020;21(1):61–70
KEYWORDS
TOPICS
ABSTRACT
This paper describes a semi-active control strategy that allows to transfer the vibration energy from an arbitrarily induced to a selected structural mode. The intended aim of the proposed control strategy is en-ergy harvesting from structural vibrations. Another potential application is related to structural safety. In the paper, a mathematical model is first introduced to describe the phenomenon of vibrational energy transfer, and then, based on this model, an efficient semi-active control strategy is proposed. Finally, some problems related to measurement techniques are discussed. The effectiveness of the proposed methodology is demonstrated in an example of energy transfer between vibrational modes of a three-bar planar frame structure.
 
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