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Agile and Resilient Insect-Scale Robot.

Tiefeng Li1,2,3,4,5, Zhanan Zou1,2, Guoyong Mao1,2,3

  • 11 Department of Engineering Mechanics, Zhejiang University, Hangzhou, China.

Soft Robotics
|November 9, 2018
PubMed
Summary
This summary is machine-generated.

This study presents a resilient, agile soft robot inspired by inchworms, capable of high-speed locomotion and significant payload capacity. The dielectric elastomer actuator allows for robust performance across diverse environments and future electronic integration.

Keywords:
bioinspireddielectric elastomerratcheting locomotionsoft robot

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Area of Science:

  • Robotics
  • Bioinspired Engineering
  • Materials Science

Background:

  • Developing agile and resilient insect-scale robots is a significant engineering challenge.
  • Existing robots often lack the robustness and versatility required for complex environments.

Purpose of the Study:

  • To create a bioinspired, inchworm-like soft robot with enhanced agility and resilience.
  • To demonstrate a novel design utilizing dielectric elastomer actuation for insect-scale locomotion.

Main Methods:

  • Fabrication of a monolithic soft robot using elastomer and stretchable dielectric materials.
  • Implementation of multizone actuation for ratcheting locomotion.
  • Testing of locomotion speed, turning ability, and environmental resilience.

Main Results:

  • The robot achieves locomotion speeds of four body lengths per second and rapid turning.
  • Demonstrated extreme resilience to compression (30,000x body weight) and high-speed collisions.
  • Successful operation on land, underwater, and in vacuum, with a payload capacity of four times its own weight and ability to climb 30° slopes.

Conclusions:

  • The developed soft robot offers a unique combination of agility, resilience, and environmental versatility.
  • The design serves as a model for insect-scale actuation and locomotion studies.
  • Provides a platform for integrating advanced electronics for future robotic applications.