ACTUATOR 2016 Manuscript A1.6


Author: Hubert Borgmann
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Pages: 4
Language: English
Publication date: 01/06/2016
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Manuscript A1.6 published in Conference Proceedings ACTUATOR 2016
Dynamic Characterization of an Amplified Piezoelectric Actuator

R. Lucinskis, C. Mangeot
Noliac A/S, Kvistgaard, Denmark

Abstract:
The characterisation of piezoelectric actuators in dynamic operation is critical to ensure both the functionality in the application and the survival of the actuator. Unfortunately little data is available. This paper presents a simple approach for characterisation and for the evaluation of the two main limitations of an actuator: voltage and stress. The approach is applied to an amplified piezoelectric actuator without load. The amplified actuator is based upon low voltage piezoelectric ceramic multilayer stacks for systems requiring lighter actuators with temperature stability and high resonance frequency. Experiments demonstrate that a simple first-order model approach can be used, although the parameters, in particular stiffness, are affected by non-linearity.
Nevertheless, such a model can be used to evaluate the operating envelope of an actuator in a given dynamic configuration. If it should be performed in a systematic way, this approach requires additional parameters and characterisation from the suppliers.
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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