2012
DOI: 10.1155/2012/358953
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Vibration Attenuation by a Combination of a Piezoelectric Stack and a Permanent Magnet

Abstract: The present work proposes a non-contact vibration attenuator made up of a permanent magnet mounted on a piezoelectric stack. Two such actuators are made to work simultaneously in a 'twin-actuator' configuration. It is conceived that a controlled change in the gap between the actuator and the structure is capable of attenuation of vibration of the structure. This appropriate change in gap is achieved by controlled motion of the piezoelectric stacks. It is shown that the actuator works as an active damper when t… Show more

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Cited by 5 publications
(4 citation statements)
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“…The use of PZ materials is very wide, from well-known high voltage generators in lighters to infertility treatment [33]. Piezoelectrics are mainly used as sound sensors [34], as cantilevers in atomic force microscopes [35], noise and vibrations attenuators [36], motors [37], and, recently, as energy harvesters [19,[38][39][40]. The piezoelectric effect is reversible.…”
Section: This Paper Focuses On One Of the Most Common Eh Technique Th...mentioning
confidence: 99%
“…The use of PZ materials is very wide, from well-known high voltage generators in lighters to infertility treatment [33]. Piezoelectrics are mainly used as sound sensors [34], as cantilevers in atomic force microscopes [35], noise and vibrations attenuators [36], motors [37], and, recently, as energy harvesters [19,[38][39][40]. The piezoelectric effect is reversible.…”
Section: This Paper Focuses On One Of the Most Common Eh Technique Th...mentioning
confidence: 99%
“…A 350 mm long × 40 mm wide × 2 mm thick aluminum beam was fabricated for the algorithm verification tests. The length of the beam, with comparatively low elastic modulus, is much larger than the width and thickness, which means that the beam tends to vibrate with larger amplitude in the thickness direction [18,19].…”
Section: Control Algorithm Verificationmentioning
confidence: 99%
“…The use of PZ materials is very wide ranging, from well-known high voltage generators in lighters to infertility treatment [ 33 ]. Piezoelectrics are mainly used as sound sensors [ 34 ], as cantilevers in atomic force microscopes [ 35 ], noise and vibrations attenuators [ 36 ], motors [ 37 ], and, recently, as energy harvesters [ 19 , 38 , 39 , 40 ]. The piezoelectric effect is reversible.…”
Section: Introductionmentioning
confidence: 99%