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Updated: Dec 11, 2025
10:32
Fabrication Process of Silicone-based Dielectric Elastomer Actuators
Published on: February 1, 2016
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Dynamic modeling of dielectric elastomer actuator with conical shape
Peng Huang1,2, Wenjun Ye3, Yawu Wang1,2,3
1School of Automation, China University of Geosciences, Wuhan, Hubei, China.
Plos One
|August 16, 2020
Summary
This study introduces a novel dynamic model for conical dielectric elastomer actuators (DEAs), overcoming challenges in modeling their complex behavior. The model accurately describes DEA motion, validated by experimental data.
Area of Science:
- Robotics
- Materials Science
- Thermodynamics
Background:
- Dielectric elastomer actuators (DEAs) offer excellent performance for soft robotics.
- Modeling DEAs is challenging due to nonlinearity, electromechanical coupling, and viscoelasticity.
- Existing research primarily focuses on planar DEAs, neglecting other functional shapes.
Purpose of the Study:
- To develop a dynamic model for conical DEAs.
- To account for inertia and complex motion characteristics.
- To address the lack of dynamic models for non-planar DEAs.
Main Methods:
- Investigated a conical DEA made of polydimethylsiloxane.
- Applied principles of nonequilibrium thermodynamics to formulate the dynamic model.
- Utilized a differential evolution algorithm for parameter identification using experimental data.
Main Results:
- Developed a dynamic model capable of describing complex motion in conical DEAs.
- Successfully identified model parameters using experimental data and the differential evolution algorithm.
- Validated the model's effectiveness in capturing the behavior of conical DEAs.
Conclusions:
- The proposed dynamic model effectively captures the complex motion of conical DEAs.
- This work extends dynamic modeling capabilities for non-planar DEAs.
- The validated model provides a foundation for designing and controlling conical DEA-driven soft robots.
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