![]() ![]() This ability differs among species since animals require tactile feedback for manipulation, even with well-developed eyesight. Grasping an object is the foundation of manipulation, as an animal must establish a stable grip to manipulate it efficiently. 1 Nevertheless, the human hand gives the gold standard for manipulation to date. The handle data provided insights into the energy-efficient behavior of the animal, with no significant grasping force changes despite variations imposed on both weight (5-15 kg) and initial position of the object.Īn enormous number of animals without hands show versatile manipulation capabilities, and they rely on their dexterity to feed and survive. Using force and contact area data of the cylinder revealed the animal’s ability to finely modulate pressure. The animal curled the distal portion of the trunk to grasp the tools. A cylinder and a handle provided a distributed force (80 and 6 taxels) and inertial measurements in real-time, resisting dirt and shocks. We developed two sensorized objects to investigate the grasping of an adult African elephant with deliberately occluded vision. However, quantifying prehensile forces in such large animals in a safe, ethical, and reproducible manner is challenging. From a roboticist’s perspective, the elephant trunk is a fascinating manipulator, which strategies can empower robots’ interaction capabilities. Nature evolved many ways to grasp objects without using hands: elephants, octopuses, and monkeys use highly dexterous appendices. ![]()
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