Abstract
Dielectric electroactive polymers (DEAPs) undergo large deformations when subject to an electric field, which make them an attractive material for use in novel actuator systems. This article presents the possibility of using DEAPs to model an innovative pumping actuator structure. The model was used to map important object parameters at individual operating points of the modeled pump. The experimental work involved designing the membrane and testing its changes in elasticity under the influence of varying forces and voltage supplies. In the further part of the work, a finite element model (FEM) of a pumping device was implemented. In the new construction of the pump, pressure is generated by membrane deformation. This is due to electrostatic compressive force between two electrodes applied to the polymer surface and forces generated by permanent magnets. The results are presented graphically, confirming the compliance of the model with the measurements.
Highlights
Smart materials are ones that can change their properties in a controlled manner in response to environmental stimuli
A Dielectric electroactive polymers (DEAPs) membrane is made of a silicone membrane that is pre-stretched during the production membrane is made a silicone are membrane is pre-stretched during the production process
DEAPs are a subclass of electroactive polymers in which actuation is produced by an elastic
Summary
Smart materials are ones that can change their properties in a controlled manner in response to environmental stimuli. One of the works presents a technique for accurate modeling of electroactive polymer taking into account nonlinearities and large deformations [5]. All of these models provide sufficiently fast cyclic loading, which may be desirable for many applications All of these advantageous insights into the behavior of the elastomer material, they lack the ability to accurately models provide advantageous insights into the behavior of the elastomer material, they lack the predict the complete DEAP actuator structure. Using the work state mapping method, it was possible to model devices precision having the knowledge how the membrane will deform; it was not necessary to calculate the with sufficient precision having the knowledge how the membrane will deform; it was not necessary full complexity of the model each time.
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