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New synchronized switch damping methods using dual transformations
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DOI：10.1016/j.sna.2007.12.001.png)
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Vibration damping using voltage control of piezoelectric elements has been extensively studied. Particularly, the Synchronized Switch Damping (SSD) technique has proved to be an efficient semi-passive method for structural vibration damping. This technique consists in switching intermittently a piezoelectric element on an inductor. Starting from this technique, it is shown in this article that new damping methods can be developed. The principles of such a development are to use the dual actuator (i.e. electromagnetic transducer) and/or the dual electrical controlled parameter (i.e. current). Theoretical results are exposed, based on the SSD classical development, as well as simulation and experimental results. These results show that the damping effect is equivalent whatever the technique used for similar electromechanical characteristics. As well, the drawbacks and advantages of each method are investigated. (c) 2007 Elsevier B.V. All rights reserved.
Keyword:
damping
vibration control
non-linear
piezoelectric
magnetic
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4.9
论文数:
1.6W
被引数:
3.3W
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