A jellyfish-like soft gripper simulates the mechanics of curly hair. You are aware of how difficult it is to grasp and hold onto items with robotic grippers if you have ever played the claw game at an arcade. Imagine how much more nerve-wracking that game would be if you were attempting to grab a d
Close-up of the gripper’s filaments wrapping around an object. Credit: Harvard Microrobotics Lab/Harvard SEASYou are aware of how difficult it is to grasp and hold onto items with robotic grippers if you have ever played the claw game at an arcade. Imagine how much more nerve-wracking that game would be if you were attempting to grab a delicate piece of endangered coral or precious treasure from a sunken ship instead of soft stuffed animals.
“With this research, we wanted to reimagine how we interact with objects,” said Kaitlyn Becker, former graduate student and postdoctoral fellow at SEAS and first author of the paper. “By taking advantage of the natural compliance of soft robotics and enhancing it with a compliant structure, we designed a gripper that is greater than the sum of its parts and a grasping strategy that can adapt to a range of complex objects with minimal planning and perception.
The researchers used simulations and experiments to test the efficacy of the gripper, picking up a range of objects, including various houseplants and toys. The gripper could be used in real-world applications to grasp soft fruits and vegetables for agricultural production and distribution, delicate tissue in medical settings, and even irregularly shaped objects in warehouses, such as glassware.
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