Bi-stable thin soft robot for in-plane locomotion in narrow space
Xi Wang, Jung-che Chang, Feiran Wang, Dragos Axinte, Xin Dong · arXiv · 2024
A novel bi-stable dielectric elastomer actuator enables a thin soft robot to crawl and climb through narrow spaces.
Plain English summary
Why this matters
Key findings
- The Bi-DEA has amplified displacement and output force compared to traditional in-plane DEAs.
- The robot can crawl through a 4mm narrow gap at speeds of up to 3.3mm/s.
- Electrostatic adhesive pads allow the robot to adhere to different surfaces.
- The theoretical model of the bi-stable mechanism and DEA performance was validated experimentally.
- The design is lightweight (1.8g) and low profile (1.1mm), suitable for narrow space inspection.
What's new
The introduction of a bi-stable mechanism to enhance the performance of dielectric elastomer actuators in soft robotics.
Limitations
The abstract does not specify the range of surfaces tested beyond paper and acrylic, nor does it discuss potential limitations in other environments.
Commercial context
The technology is still in the experimental phase and has not been commercialized.
Publication
- Publisher
- arXiv
- Publication date
- September 30, 2024
- Research type
- Preprint
- arXiv
- 2409.20261
- Access
- open
Tags
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