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Area of Science:

  • Robotics and Soft Materials Science
  • Bio-inspired Engineering
  • Advanced Materials Development

Background:

  • Natural systems exhibit complex fractal morphologies and deformations.
  • Existing soft structures often lack sophisticated control over shape and movement.
  • The need for adaptable, programmable soft materials is growing across various fields.

Purpose of the Study:

  • To develop an N-dimensional soft structure using stretchable electronic bits.
  • To enable independent and cooperative motion through machine language programming.
  • To explore the theoretical and practical aspects of controlling complex deformations.

Main Methods:

  • Design of a soft structure composed of programmable stretchable electronic bits.
  • Development of a machine language for instruction encoding and bit programming.
  • Theoretical analysis of fractal dimensions and deformation stability.
  • Experimental validation using strip-shaped and hand-shaped soft structures.

Main Results:

  • Soft structure stability and extremity achieved with over eighteen programming bits.
  • Complex deformation morphologies comparable to natural structures (dandelion tufts, tree crowns) demonstrated.
  • Agile deformation capabilities, similar to an octopus, were observed.
  • Experimental results confirmed the effectiveness of online reprogramming for complex gestures like the 'OK' sign.

Conclusions:

  • The developed soft structure offers a novel approach to programmable matter.
  • The design strategy provides theoretical insights and practical demonstrations of complex soft structure manipulation.
  • Potential applications in areas such as minimally invasive surgery and advanced robotics are highlighted.