Volume 135, Number 4, August 2021
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||27 October 2021|
Dynamic stability evolution of viscoelastic dielectric elastomers with continuously varying electromechanical parameters
1 School of Aeronautics, Northwestern Polytechnical University - Xi'an 710072, China
2 School of Marine Science and Technology, Northwestern Polytechnical University - Xi'an 710072, China
3 School of Automation, Xi'an University of Posts and Telecommunications - Xi'an 710121, China
4 School of Mechanical and Precision Instrument Engineering, Xi'an University of Technology - Xi'an 710048, China
Received: 1 July 2021
Accepted: 3 September 2021
Under an actuation of alternating voltage, dielectric elastomer (DE) based actuators are widely utilized as dynamic devices and robots, accompanying with the possible dynamic instabilities. In this article, based on a deduced dynamics model, we develop an analysis on the dynamic performance and stability evolution of a viscoelastic DE, using the continuous method. Effects of mechanical force and applied voltage are considered, respectively. The spectrum of dynamic deformation with the relevant parameters is presented. The evolution of phase paths is simultaneously provided to detect the dynamic stability of the viscoelastic DE.
© 2021 EPLA
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