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Bioinspired Soft Robot with Incorporated Microelectrodes
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A soft matter computer for soft robots.

M Garrad1,2,3, G Soter1,2, A T Conn2,4

  • 1Department of Engineering Mathematics, University of Bristol, UK.

Science Robotics
|November 2, 2020
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Summary
This summary is machine-generated.

Soft matter computers (SMCs) integrate computation into soft materials using conductive fluid receptors. This innovation enables intelligent behaviors in soft robots, moving beyond simple responses.

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Area of Science:

  • Robotics
  • Materials Science
  • Computer Engineering

Background:

  • Growing interest in soft robotics necessitates advanced computational mechanisms.
  • Current smart materials often exhibit limited stimulus-response behaviors, lacking intelligent capabilities.
  • Embedding computation directly into soft materials is crucial for next-generation autonomous soft robots.

Purpose of the Study:

  • To introduce soft matter computers (SMCs) as low-cost, easily fabricated computational mechanisms for soft robots.
  • To demonstrate the capability of SMCs to perform both analog and digital computation.
  • To showcase the integration of SMCs into soft robots for enhanced functionality and intelligent behavior.

Main Methods:

  • Development of soft matter computers (SMCs) utilizing conductive fluid receptors (CFRs).
  • CFRs map fluidic input signals to electrical output signals using embedded electrodes in soft tubes.
  • Integration and testing of SMCs in three distinct soft robotic systems: a Softworm robot, a soft gripper, and a bending actuator.

Main Results:

  • SMCs successfully controlled a Softworm robot, generating signals for three distinct gaits.
  • A soft gripper was programmed with reflexes by adjusting CFR parameters.
  • A two-degree of freedom bending actuator demonstrated switching between three behaviors by altering a single input parameter.

Conclusions:

  • Soft matter computers (SMCs) offer a low-cost method for integrating computation directly into soft materials.
  • SMCs represent a significant advancement towards the development of entirely soft autonomous robots.
  • The demonstrated applications highlight the potential of SMCs for creating intelligent and adaptable soft robotic systems.