Dynamic Modeling and Effect of Dehydration on Segmented IPMC Actuators Following Variable Parameter Pseudo-Rigid Body Modeling Technique

An ionic polymer-metal composite actuator has been analyzed following the variable parameters pseudo-rigid body modeling (VPPRBM) technique in order to assess the effect of dehydration on bending resistance and bending response. An experiment is conducted with a single patch IPMC actuator and the de...

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Bibliographic Details
Published in:Mechanics of advanced materials and structures 2014-02, Vol.21 (2), p.129-138
Main Authors: Biswal, Dillip Kumar, Bandopadhya, Dibakar, Dwivedy, Santosha Kumar
Format: Article
Language:English
Subjects:
Actuators
Bend tests
Bending
Cobb-Douglas method
Dehydration
dehydration factor
electro-active polymers
ionic polymer-metal composites
Mathematical models
Modelling
Parameters
pseudo-rigid body model
Voltage
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Summary:An ionic polymer-metal composite actuator has been analyzed following the variable parameters pseudo-rigid body modeling (VPPRBM) technique in order to assess the effect of dehydration on bending resistance and bending response. An experiment is conducted with a single patch IPMC actuator and the dehydration factor is obtained following the Cobb-Douglas production method. An energy-based dynamic model of the patches has been derived after developing the forward kinematics incorporating loss due to dehydration. Simulation has been performed for two segmented IPMC patches to demonstrate the change in bending resistance, bending response, and end-tip positioning for various input voltages.
ISSN:1537-6494
1537-6532
DOI:10.1080/15376494.2012.680665