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A Bio-Functional Mimetic Robot for Versatile Tasks From Cross-Scale Manipulation to Limb-Tool Integration
Xin Tong1, Tianle Zhang1,2, Fei Mo1
1Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|August 13, 2026
Summary
BioflexBot, a novel robotic manipulator, uses simple mechanics for complex tasks. This functionally biomimetic robot achieves versatile grasping and adaptive growth, overcoming traditional design trade-offs.
Area of Science:
- Robotics
- Biomimetics
- Mechanical Engineering
Background:
- Robotic manipulators require dexterity for diverse environmental interactions.
- Traditional biomimetic approaches increase complexity and control challenges.
Purpose of the Study:
- To present BioflexBot, a robot utilizing functional biomimicry beyond structural replication.
- To demonstrate a novel design overcoming the versatility-complexity trade-off in robotics.
Main Methods:
- Developed BioflexBot with dual air chambers and flexible coiled springs for three core motions (extension, expansion, contraction) controlled by two inputs.
- Optimized structural design for bio-functional mimicry.
Main Results:
- Achieved human-like grasping, adaptive growth (7:1 extension-to-contraction ratio), and tool-hand integration.
- Demonstrated manipulation of objects 12.9 times larger than comparable systems.
- Validated applications in humanoid robots and aeroengine inspection.
Conclusions:
- Bio-functional mimetic design in simple structures enables robust multifunctionality.
- BioflexBot offers a novel solution to enhance robotic versatility without increasing complexity.
