This wearable Robot will give 2 extra fingers to our Hand. https://youtube/watch?v=MEByKcnLgCo&list=PLK2ccNIJVPpB_XqWWq_oaZGIDzmKiSkYc Researchers at MIT have developed a robot that enhances the grasping motion of the human hand. This wrist-wearable robot gives two extra fingers to our hand. The robotic fingers are at either side of the the hand - one outside the thumb, and the other outside the little finger. A control algorithm enables it to move in sync with the wearers fingers to grasp objects of various shapes and sizes. With the assistance of these extra fingers, we can grasp objects that are usually too difficult to do with a single hand. They take input from a sensor glove,and have these bending sensors that can measure the position of the human fingers. And through an algorithm they can control the output, which is the positions of the fingers with the position of the human fingers so the motion can be very natural and implicit. With the assistance of the fingers, you can grasp objects that are usually too difficult to do with a single hand. The robot, which the researchers have dubbed supernumerary robotic fingers, consists of actuators linked together to exert forces as strong as those of human fingers during a grasping motion. To develop an algorithm to coordinate the robotic fingers with a human hand, the researchers first looked to the physiology of hand gestures, learning that a hands five fingers are highly coordinated. While a hand may reach out and grab an orange in a different way than, say, a mug, just two general patterns of motion are used to grasp objects: bringing the fingers together, and twisting them inwards. A grasp of any object can be explained through a combination of these two patterns. The researchers hypothesized that a similar biomechanical synergy may exist not only among the five human fingers, but also among seven. For now, the robot mimics the grasping of a hand, closing in and spreading apart in response to a humans fingers. But the researchers would like to take the robot one step further, controlling not just position, but also force. The researchers believe that further developments will reduce the size of these robotic fingers, and it will become foldable. We could make this into a wrist watch or a bracelet where the fingers pop up, and when the job is done, they come back into the watch. #robotics #technology #technews
Posted on: Tue, 02 Sep 2014 06:58:27 +0000
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