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Related Experiment Video

Updated: Apr 30, 2026

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
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Bioinspired Hierarchical Soft Gripper with Hexagonal and Suction Interfaces for Strain-Guided Object Handling.

Junho Lee1, Junwon Jang1, Taeyoung Chang1

  • 1Department of Electronic Engineering, Korea National University of Transportation, Chungju-si 27469, Chungbuk, Republic of Korea.

Biomimetics (Basel, Switzerland)
|August 27, 2025
PubMed
Summary
This summary is machine-generated.

This study presents a bioinspired soft gripper using octopus suction and frog-inspired patterns for stable object manipulation. The innovative design enhances adhesion in various conditions, advancing robotic capabilities.

Keywords:
bioinspired adhesionhexagonal microstructureobject handlingsoft roboticsstrain sensing

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Area of Science:

  • Robotics and Biomimetics
  • Materials Science and Engineering

Background:

  • Advanced soft adhesive systems are crucial for next-generation robotics, enabling stable and intelligent object manipulation.
  • Current systems face challenges with diverse surface conditions and orientations.

Purpose of the Study:

  • To develop a bioinspired soft gripper that enhances adhesion performance under varied conditions.
  • To integrate real-time monitoring for intelligent manipulation and load distribution detection.

Main Methods:

  • Developed a soft gripper combining octopus-inspired suction with a frog-inspired hexagonal friction pattern.
  • Integrated a strain gauge for real-time monitoring of gripping states, contact location, and load distribution.
  • Tested adhesion performance under dry and wet conditions, and with various object geometries and inclinations.

Main Results:

  • The hexagonal friction pattern improved stability against tilting and shear forces.
  • The gripper demonstrated robust adhesion in both dry and wet environments.
  • The system showed adaptability to diverse object geometries and inclinations, facilitating intelligent manipulation.

Conclusions:

  • The bioinspired soft gripper offers enhanced adhesion and stability for robotic manipulation.
  • The integrated strain gauge provides valuable real-time feedback for intelligent control.
  • This technology has broad potential applications in collaborative robotics, medical tools, and underwater systems.