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Artificial annelid robot driven by soft actuators.

Kwangmok Jung¹, Ja Choon Koo, Jae-do Nam

¹School of Mechanical Engineering, Sungkyunkwan University, Chunchun-dong, Jangan-gu, Suwon, Korea.

Bioinspiration & Biomimetics

|August 3, 2007

Summary

Researchers developed an annelid-like robot using soft dielectric elastomer actuators. This biomimetic robot effectively mimics the undulatory locomotion of annelids for adaptable movement in complex environments.

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Area of Science:

Biomimetics and Soft Robotics
Materials Science and Engineering

Background:

Annelids exhibit effective locomotion in unstructured environments through segmented body undulation.
This biological locomotion is a key inspiration for biomimetic robotics research.

Purpose of the Study:

To develop an annelid-like robot utilizing novel soft actuators.
To mimic the undulatory locomotion of annelids for robotic applications.

Main Methods:

A novel actuation method based on dielectric elastomer actuators was developed.
A three-degree-of-freedom actuator module was designed for translational and rotational motion.
Multiple actuator modules were serially connected to create a micro-robot.

Main Results:

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The dielectric elastomer actuators demonstrated advantageous features including small size, fast response, and operational ruggedness.
The developed micro-robot successfully mimicked the undulatory locomotion of annelids.
Experimental validation confirmed the effectiveness of the biomimetic robot.

Conclusions:

The proposed dielectric elastomer actuation method offers a viable approach for creating biomimetic robots.
This technology enables the development of robots capable of adaptable locomotion in challenging terrains.
The annelid-inspired robot showcases potential for applications requiring versatile movement.