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Related Concept Videos

Three-Dimensional Force System01:30

Three-Dimensional Force System

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In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
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A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
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4D Multiscale Origami Soft Robots: A Review.

Hyegyo Son1, Yunha Park1, Youngjin Na1

  • 1Department of Mechanical Systems Engineering, Sookmyung Women's University, Seoul 04310, Korea.

Polymers
|October 14, 2022
PubMed
Summary
This summary is machine-generated.

This review explores 4D origami-driven soft robots, detailing their material selection, fabrication, and operational mechanisms. These shape-transforming robots offer advanced functionalities for intelligent applications in flexible electronics and bionics.

Keywords:
intelligent systemsself-foldingsoft actuatorssoft roboticsstimuli-responsive

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Area of Science:

  • Robotics
  • Materials Science
  • Mechanical Engineering

Background:

  • Soft robots capable of time-dependent shape transformation are crucial for advanced applications in flexible electronics and bionics.
  • Four-dimensional (4D) shape changes enable enhanced functionality by allowing robots to respond to various environmental stimuli like heat, pH, light, or electric/pneumatic triggers.

Purpose of the Study:

  • This review provides a comprehensive overview of recent advancements in multiscale soft robots exhibiting 4D shape transformations.
  • It specifically examines the role of material selection and fabrication strategies in achieving 4D origami-driven shape changes.

Main Methods:

  • The review synthesizes information on material selection for 4D origami-driven shape transformations.
  • It investigates diverse fabrication techniques for creating 4D mechanical structures in soft robots.
  • Mechanisms of folding, rolling, bending, and wrinkling during soft robot operation are surveyed.

Main Results:

  • The study highlights the diverse applications of 4D origami-driven soft robots, including their use as actuators and sensors.
  • It showcases their potential in bionic applications, leveraging their adaptive shape-changing capabilities.
  • Material properties and fabrication methods are shown to be key determinants of robot performance.

Conclusions:

  • 4D origami-driven soft robots represent a significant advancement in intelligent robotics, offering versatile functionalities.
  • Future research should focus on overcoming challenges for real-world operational deployment and further enhancing intelligent control.
  • Continued development in materials and fabrication will drive innovation in soft robotics for electronics and bionics.