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Summary

This study introduces an untethered soft crawling robot integrating motion, communication, and location sensing using flexible materials. It demonstrates a novel approach for multifunctional soft robots with potential in bionic devices and advanced sensors.

Keywords:
crawlingidentifiabilitysensing platformsoft robotwireless communication

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Area of Science:

  • Robotics
  • Materials Science
  • Bionics

Background:

  • Soft robots inspired by nature are gaining attention.
  • Existing soft robots often lack integrated communication and perception capabilities.
  • There is a need for multifunctional, untethered soft robotic systems.

Purpose of the Study:

  • To develop an untethered soft crawling robot with integrated motion, communication, and location sensing.
  • To utilize flexible materials for a self-contained sensing platform.
  • To demonstrate a novel approach for multifunctional soft robots.

Main Methods:

  • A hydrophilic graphene oxide film was used for near-infrared light-stimulated photothermal conversion and deformation.
  • Conductive fabric replaced traditional circuits for robot communication.
  • An inductive coupling module enabled wireless signal transmission without batteries or tethers.
  • Sensitive materials were integrated for perception, and an external coil array was used for positioning.

Main Results:

  • The soft robot demonstrated large deformations and crawling motion stimulated by near-infrared light.
  • Untethered communication and perception capabilities were successfully integrated.
  • Accurate positioning and identification of the robot were achieved using an external coil array.
  • The robot functioned as a versatile sensing platform.

Conclusions:

  • An innovative untethered soft crawling robot integrating motion, communication, and location sensing was successfully developed.
  • The use of flexible materials and novel communication modules offers a new strategy for multifunctional soft robots.
  • The proposed robot shows significant potential for applications in bionic devices, intelligent robotics, and advanced sensors.