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Related Experiment Video

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Folding and Characterization of a Bio-responsive Robot from DNA Origami
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Field-programmable robotic folding sheet.

Hyunkyu Park1, Yongrok Jeong2, Woojong Kim1

  • 1Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea.

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Summary
This summary is machine-generated.

This study introduces field-programmable robotic sheets capable of adaptable shape transformations. A novel electro-thermo-responsive system enables programmable folding for versatile applications in robotics.

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Area of Science:

  • Robotics and Autonomous Systems
  • Materials Science
  • Soft Robotics

Background:

  • Shape transformation via folding is crucial for autonomous systems adapting to diverse environments.
  • Current folding mechanisms have limitations due to fixed hinge structures, restricting configuration modes.
  • Plant rectification demonstrates natural programmable shape change, inspiring robotic solutions.

Purpose of the Study:

  • To introduce a field-programmable strategy for robotic sheets enabling unbounded hinge configurations post-deployment.
  • To develop an electro-thermo-responsive system for precise, in-situ fold programming.
  • To enable autonomous system engineering with versatile applications in grasping and locomotion.

Main Methods:

  • Integration of metallic resistors within a thermo-responsive polymer film for heating and sensing.
  • Electronic modulation of electrical power distribution to selectively configure folds.
  • Development of electronic layouts, computational algorithms, and closed-loop control schemes for intuitive fold programming.

Main Results:

  • Demonstration of a robotic sheet capable of programmable folding into an unbounded set of configurations.
  • Achieved servoed, swift, and robust fold-programming through electronic control.
  • Validated dual functionality of metallic resistors as heaters and thermoreceptors.

Conclusions:

  • The developed system offers a novel approach to field-programmable shape transformation in robotic sheets.
  • Embeddable electronics facilitate autonomous system engineering with enhanced adaptability.
  • The technology shows potential for multi-purpose applications, including robotic grasping and locomotion.