Vine-inspired robotic gripper gently lifts heavy and fragile objects

2025-12-10 · Source: MIT News - Robotics · Field: Technology & Digital — Robotics & Autonomous Systems, Emerging Technologies & Innovation · Depth: Intermediate, medium

Summary

Engineers at MIT and Stanford University have developed a novel vine-inspired robotic gripper capable of gently lifting both heavy and fragile objects, including a watermelon and a glass vase. This new design, detailed in *Science Advances*, utilizes pressurized, inflatable tubes that extend, twist, and coil around an object, mimicking natural vines. The system operates by inflating these tubes, which then wrap around the target, clamp back to their source, and mechanically retract to create a soft, sling-like grasp. A larger version of this robot has been demonstrated to safely lift a human, addressing challenges in eldercare by providing a gentler alternative to traditional patient lifts. The robot can also navigate cluttered environments to reach and secure objects, with potential applications ranging from agricultural harvesting to heavy cargo handling in warehouses.

Key takeaway

For AI scientists and robotics engineers developing assistive technologies or industrial automation, this vine-inspired gripper offers a compelling alternative to conventional rigid grippers. You should consider integrating "loop closure grasping" principles into designs requiring both strength and gentleness, especially for handling delicate or irregularly shaped objects. This approach could significantly improve safety and efficiency in applications like patient care and logistics.

Key insights

Vine-inspired robots can achieve strong, gentle grasps by transforming between open and closed loop configurations.

Principles

• Mimic natural vine growth for grasping.
• Combine open and closed loop actions for versatility.

Method

Pressurized tubes inflate and extend, coiling around an object. They then clamp back to their source, forming a closed loop, and retract to gently lift the object in a sling-like grasp.

In practice

• Use for patient transfer in eldercare.
• Apply to agricultural harvesting.
• Automate crane operations in warehouses.

Topics

• Robotic Grippers
• Soft Robotics
• Bio-inspired Robotics
• Eldercare Robotics
• Warehouse Automation

Best for: AI Scientist, Robotics Engineer, Research Scientist, Automation Engineer

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Editorial summary, takeaway, and curation by AIssential. Original article published by MIT News - Robotics.