A group of researchers from EPFL ( Ecole Polytechnique Fédérale de Lausanne ), one of Europe’s leading technology centres, have presented a detachable robotic hand . This invention has the ability to separate from the arm, move and pick up objects autonomously, and then reassemble itself in its original position.
The detachable robotic hand and its application
It was designed to mimic some human movements , and has a structure that allows it to move around using its free fingers. According to the demonstration video, the hand can move across surfaces and perform tasks beyond the reach of a fixed arm.
The demonstration of the robot and its detachable hand. Source: EPFL
For example, it can pick up an object and return to the robot arm to re-attach and complete an action together. This capability overcomes two major robotic challenges: manipulating objects that are outside its immediate reach and handling items both in front of and behind its palms.
During its development, EPFL scientists conducted various simulations and tests to determine the optimal configuration. They concluded that the best design includes two fingers dedicated to grasping objects, while three others are used for mobility.
This configuration allows the hand to perform complex maneuvers that are useful in a variety of environments, such as home automation , hospital robotic assistance , or integration of improvements in factories.
The project’s lead author, Xiao Gao , explained that the prototype shown at the conference was manually operated, although the team has developed a version that can operate completely autonomously. This advance opens the door to robots being able to perform tasks independently in the not-too-distant future, beyond human physical capabilities.
The design of a robotic hand with multiple fingers for grasping and walking. Source: Xiao Gao
Today, we know that a person cannot easily take off his or her hand and put it back on again, so the robotics sector does not and should not be limited to human capabilities. This type of technology takes us one step further, and that is the vision of EPFL scientists , seeking to bring robotics into the home, helping people with basic tasks and improving quality of life.
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Source : IEEE Spectrum
Photo: Xiao Gao
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