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Related Concept Videos

Mechanical Systems01:22

Mechanical Systems

364
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
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Application of Pascal's Law01:03

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Pascal's experimentally proven observations—that a change in pressure applied to an enclosed fluid is transmitted undiminished throughout the fluid and to the walls of its container—provide the foundations for hydraulics, one of the most important developments in modern mechanical technology.
Hydraulic systems are used to operate automotive brakes, hydraulic jacks, and numerous other mechanical systems. We can derive a relationship between the forces in a simple hydraulic system...
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Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
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Paper-Based Robotics with Stackable Pneumatic Actuators.

Xiyue Zou1, Tongfen Liang1, Michael Yang1

  • 1Department of Mechanical and Aerospace Engineering, Rutgers University, Piscataway, New Jersey, USA.

Soft Robotics
|August 13, 2021
PubMed
Summary
This summary is machine-generated.

Researchers developed stackable paper-based pneumatic actuators (PBAs) for origami robots. These lightweight, powerful actuators enable manipulation, gripping, and locomotion, offering a novel approach to soft robotics.

Keywords:
inflatable structuresmanipulatorsorigami robotspaper-based actuatorssoft robotics

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Area of Science:

  • Robotics and Soft Actuation
  • Materials Science and Engineering
  • Origami Engineering

Background:

  • Conventional robots often rely on heavy, complex actuation systems.
  • There is a need for lightweight, adaptable, and cost-effective robotic components.
  • Paper-based materials offer unique properties for novel mechanical designs.

Purpose of the Study:

  • To design, fabricate, and characterize novel paper-based pneumatic actuators (PBAs).
  • To investigate the potential of stackable PBAs for robotic applications.
  • To develop a numerical model for predicting PBA mechanical performance.

Main Methods:

  • Fabrication of PBAs using materials with high elastic modulus-to-mass ratios and accordion-like structures.
  • Characterization of PBA performance under pneumatic pressure for extension and bending.
  • Development of a numerical model to predict mechanical behavior based on design parameters.

Main Results:

  • PBAs demonstrated a power-to-mass ratio exceeding 80 W/kg, significantly higher than human muscle.
  • Prototypes showcased functionality in manipulation (parallel manipulator) and locomotion (legged locomotor).
  • The numerical model accurately predicted actuator performance based on dimensional specifications and folding patterns.

Conclusions:

  • Stackable origami actuators can achieve complex robotic functions like manipulation, gripping, and locomotion.
  • PBAs offer a promising platform for developing lightweight, high-performance soft robotic systems.
  • Future applications include single-use robots for hazardous environments and educational tools.