Abstract
A dielectric elastomer (DE) membrane can generate nonlinear out-of-plane vibrations under an alternating voltage. The generation mechanism and vibration characteristics were investigated in this paper. Multi-order superharmonic resonance occurred as the AC voltage increased. After the introduction of DC offset voltage, both superharmonic and subharmonic resonance occurred. The frequency characteristics of the superharmonic resonance with and without DC voltage were different. The nonlinear out-of-plane vibration characteristics can be potentially harnessed in a DE vibration-driven system.
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