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Errata: Adaptive vibration suppression system: An iterative control law for a piezoelectric actuator shunted by a negative capacitor [Dec 12 2785-2796]

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5 Author(s)
Kodejska, M. ; Faculty of Mechatronics, Informatics and Interdisciplinary Studies, Technical University of Liberec, Liberec, Czech Republic ; Mokry, P. ; Linhart, V. ; Vaclavik, J.
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The objective of this article is to make a correction to our previously published results [1] on the adaptive vibration suppression system. The vibration suppression system consists of a piezoelectric actuator of electric impedance ZS, which is connected to an active shunt circuit of electric impedance Z. In this situation, the effective spring constant of the piezoelectric actuator Keff is controlled by the value of the connected shunt impedance Z. It is shown in the article [1] that when the effective spring constant of the piezoelectric actuator Keff reaches small values (ideally zero value), the transmissibility of vibrations through the piezoelectric element greatly decreases.

Published in:

Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:61 ,  Issue: 7 )

Date of Publication:

July 2014

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