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March 23, 2026Advanced Functional Materials2 citationsOpen Access

Digital Actuation Control of Soft Robotic Origami With Self‐Folding Liquid Crystal Elastomer Hinges

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DBDavid Claude BershadskyTZTuo ZhaoGPGlaucio H. Paulino

Key Points

  • The research aims to develop soft robotic origami with integrated and functional actuation using liquid crystal elastomers.
  • Developed hybrid self-folding origami robots using reversible shape memory materials.
  • Utilized integrated Joule heating for precise digital actuation control.
  • Employed 3D printing to create multi-material composite structures with embedded heating traces.
  • Achieved more than 1500 actuation cycles with minimal performance degradation.
  • Demonstrated effective shape morphing capabilities in soft robotic origami structures.
  • Established a feasible method for streamlined fabrication of durable soft robots.

Abstract

ABSTRACT Soft robotics has sought to integrate seamless, programmable shape morphing into dynamic, complex structures. We present a design‐for‐manufacturing focused approach leveraging reversible shape memory materials to create soft‐rigid hybrid self‐folding origami robots with fully reconfigurable, reversible actuation. Highly repeatable, closed loop, digital actuation control is achieved through integrated Joule heating of liquid crystal elastomer hinges. Embedded heating traces preserve the planar geometry of origami structures while maximizing the accessible range of motion. We introduce a hybrid direct ink write additive manufacturing system that embeds prefabricated sheet materials, such as flexible printed circuit boards, into 3D printed liquid crystal elastomers to create multi‐material composite structures. This approach enables streamlined fabrication of durable soft robotic origami structures with integrated and reconfigurable actuation, which demonstrate more than 1500 cycles with minimal performance degradation.

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Cite This Study

Bershadsky et al. (2026) studied this question.

synapsesocial.com/papers/69c08b6ba48f6b84677f895bhttps://doi.org/10.1002/adfm.202525150
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