Self-powered circuit for broadband, multimodal piezoelectric vibration control

Vibration control using piezoelectric actuators has experienced a strong development these last years. Particularly, non-linear techniques have been proven to be low-cost and efficient ways of damping, with self-powering capabilities. This paper deals with one of these methods, the so-called self-po...

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Bibliographic Details
Published in:Sensors and actuators. A. Physical. 2008-05, Vol.143 (2), p.377-382
Main Authors: Lallart, Mickaël, Lefeuvre, Élie, Richard, Claude, Guyomar, Daniel
Format: Article
Language:English
Subjects:
Damping
Piezoelectric
Vibration control
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Summary:Vibration control using piezoelectric actuators has experienced a strong development these last years. Particularly, non-linear techniques have been proven to be low-cost and efficient ways of damping, with self-powering capabilities. This paper deals with one of these methods, the so-called self-powered synchronized switch damping on inductor (SSDI). Its principles rely on switching intermittently the piezoelement on a resonant circuit. Particularly, it is proposed here a new self-powered device that enhances the broadband nature of the self-powered SSDI. The principles of the circuit are to disable the switching event unless a particular condition is fulfilled. Experimental results show that such a circuit significantly improves the multimodal control abilities of the self-powered SSDI techniques without any external power supply requirements.
ISSN:0924-4247
1873-3069
DOI:10.1016/j.sna.2007.11.017