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Zoborg: On-Demand Climbing Control for Cyborg Beetles.

Lachlan Fitzgerald1, H Nhan Le1, Robbie S Wilson2

  • 1School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|June 5, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed ZoBorg, a cyborg beetle robot, capable of climbing vertical walls. This bio-inspired robot navigates complex terrains, overcoming obstacles and transitioning to walls with electrical stimulation.

Keywords:
biohybrid robotsclimbingcyborg insectselectrical stimulationinsect‐scale robotszophobas morio

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Area of Science:

  • Robotics
  • Bio-inspired Engineering
  • Insect Locomotion

Background:

  • Terrestrial robots require surface transition capabilities for complex environment navigation.
  • Artificial insect-scale robots face significant challenges in replicating vertical surface transitions.

Purpose of the Study:

  • To introduce innovative control schemes for enabling insect-scale robots to climb walls.
  • To demonstrate the capability of a cyborg beetle (ZoBorg) to transition from horizontal surfaces to vertical walls.

Main Methods:

  • Utilizing the natural attributes of a cyborg beetle (Zophobas morio) including its flex-rigid structure, flexible footpads, sharp claws, and embedded sensors.
  • Implementing electrical stimulation of the elytron to initiate vertical wall climbing.
  • Testing obstacle traversal capabilities, including 5 mm and 8 mm steps.

Main Results:

  • ZoBorg successfully crossed low-profile obstacles (5 and 8 mm steps) with over 92% success rate in under one second.
  • Electrical stimulation enabled ZoBorg to transition onto vertical walls with a 71.2% success rate within 5 seconds.
  • The robot demonstrated agile locomotion, adaptability, low power consumption, and low cost.

Conclusions:

  • The developed control schemes and bio-inspired design enable insect-scale robots to perform challenging surface transitions.
  • ZoBorg's capabilities in traversing complex environments, including vertical walls, present potential applications in search and rescue missions.