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Updated: Jul 18, 2025

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
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Self-Locking Pneumatic Actuators Formed from Origami Shape-Morphing Sheets.

Juri Kim1, Joonbum Bae1

  • 1Bio-Robotics and Control Laboratory, Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Korea.

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|August 24, 2023
PubMed
Summary
This summary is machine-generated.

Origami-inspired robots now feature enhanced rigidity and self-locking capabilities for high-capacity environments. Novel self-locking pneumatic modular actuators (SPMAs) with embedded magnets and valves enable efficient, controlled robotic motion.

Keywords:
high stiffnessorigami robotic armshape morphing actuators

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Area of Science:

  • Robotics
  • Materials Science
  • Mechanical Engineering

Background:

  • Origami's versatility in shape transformation is valuable for robotics, but a lack of rigidity limits applications.
  • Existing origami robots struggle in high-capacity environments due to insufficient stiffness.

Purpose of the Study:

  • To introduce novel origami-inspired, self-locking pneumatic modular actuators (SPMAs) that overcome rigidity limitations.
  • To enhance the stiffness and control of origami-based robotic systems for practical applications.

Main Methods:

  • Developed SPMAs utilizing origami patterns for linear and rotational motion.
  • Embedded magnets in composite sheets to significantly enhance actuator stiffness.
  • Integrated self-adjustable valves for simplified pneumatic control of sequential actuations.

Main Results:

  • Achieved enhanced stiffness in origami actuators through magnetic reinforcement.
  • Demonstrated efficient control of multi-module SPMAs using a single actuation source and solenoid valve.
  • Successfully applied SPMAs to control robotic arms in confined spaces.

Conclusions:

  • Origami-inspired designs with SPMAs offer a pathway to more rigid and reliable robotic systems.
  • The developed SPMAs show significant potential for diverse robotic applications, including those in confined spaces.
  • Innovations in origami robotics can lead to more efficient and versatile robotic solutions.