ACTUATOR 2014 Manuskript Poster 65

Author: Hubert Borgmann
Pages: 4
Language: German
Publication date: 26/05/2015
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Manuscript Poster 65 published in Conference Proceedings ACTUATOR 2014
Modeling of Actuator System Based on a Dielectric Electro-Active Polymer Circular Membrane when Operating Against a Constant Loading Force

M. Hodgins1, G. Rizzello2, A. York1, D. Naso2, S. Seelecke1
1 Universität des Saarlandes, Saarbrücken, Germany
2 Politecnico di Bari, Bari, Italy

This paper presents experimentation of a small profile, scalable DEAP actuator system. The actuator system consists of a bi-stable mechanism (a negative-rate bias spring, or NBS), and a linear spring coupled with a circular membrane dielectric electro-active polymer (DEAP) actuator. The combined spring mechanism biases the DEAP allowing actuation when the voltage is cycled and is shown to have a major impact on the overall system performance. Particularly the NBS-biased actuator can exhibit up to a fourfold increase in displacement stroke in comparison with conventional linear springs [1]. In this work tests against a compressive constant load are performed. The load is applied via current control to a linear motor drive. The results show that the DEAP actuator must be tuned to operate optimally against such a load. A non-linear DEAP model based on a hyperelastic Odgen model [2] is used to make quasi-static simulations of the actuator working against a load. The model is validated qualitatively with experimental data and provides insight into the understanding and future optimization of circular membrane DEAPs actuators when performing work for various applications.
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 (
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (

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