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Related Concept Videos

Mechanical Systems01:22

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211
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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Open and closed-loop control systems01:17

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Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
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In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
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Variable stiffness soft robotic gripper: design, development, and prospects.

Yu Shan1, Yanzhi Zhao1, Haobo Wang1

  • 1Key Laboratory of Parallel Robot and Mechatronic System, Yanshan University, Qinhuangdao, Hebei Province, People's Republic of China.

Bioinspiration & Biomimetics
|November 10, 2023
PubMed
Summary
This summary is machine-generated.

This review explores variable stiffness soft robotic grippers for adaptable manipulation in unstructured environments. It details design, actuation, and variable stiffness technologies for enhanced grasping capabilities.

Keywords:
actuationgripperjammingsoft roboticsstiffness

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Area of Science:

  • Robotics
  • Materials Science

Background:

  • Soft robotic grippers offer potential for exploration and manipulation in unstructured environments.
  • Designing grippers with variable stiffness is crucial for adapting to diverse tasks and objects.

Purpose of the Study:

  • To provide a comprehensive review of technologies for designing variable stiffness soft robotic grippers.
  • To serve as a reference for innovative gripper designs and applications.

Main Methods:

  • Categorization of gripper-object interactions (point, line, surface, full-body contact).
  • Review of soft actuation methods and their suitability for different environments.
  • Retrospective analysis of variable stiffness theory and its application in soft robotics.

Main Results:

  • Analysis of different contact types and their implications for grasping.
  • Evaluation of various soft actuation techniques, highlighting strengths and limitations.
  • Demonstration of variable stiffness grasping technology through case studies.

Conclusions:

  • Variable stiffness technology effectively addresses challenges like load capacity and stability in soft grippers.
  • Future prospects for variable stiffness grasping robots span diverse applications and technological advancements.