ACTUATOR 2014 Manuscript B3.3


Author: Hubert Borgmann
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Pages: 5
Language: English
Publication date: 08/04/2015
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Manuscript B3.3 published in Conference Proceedings ACTUATOR 2014
Control of Piezoelectric Benders Using a Charge Drive

S.A. Rios, A.J. Fleming
The University of Newcastle, Newcastle, Australia

Abstract:
This article describes the use of a charge amplifier to improve the linearity of a piezoelectric bender. Existing charge drive circuits can not be directly applied to bimorph piezoelectric benders since they share a common electrode. In this article a new charge drive circuit and electrical configuration is described that allows piezoelectric bimorphs to be linearised with charge. Experimental results demonstrate that the use of a charge source reduces hysteresis from 16.56% to 0.26%.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (www.actuator.de)
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (www.ithec.de)

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