Robotics: A dexterous robotic hand
A paper announcing a highly dexterous robot hand that incorporates all the components needed for responsive movement and sensor functionality will be published in Nature Communications this week.This robot hand can be attached to an existing commercially available robot arm and can perform a wide range of tasks, from gripping eggs to using scissors and tweezers.
Robot hands have the ability to perform a variety of tasks.However, in the development of this robot hand, it is a difficult task to maintain functions such as high dexterity and ability to grasp with appropriate force without adding actuator parts for moving the robot.In addition, the addition of actuator parts makes it difficult to incorporate such a robot hand into an existing robot arm, limiting its use.
This time, Uikyum Kim et al. Have developed a dexterous robot hand called the ILDA (integrated linkage-driven dexterous anthropomorphic) hand.The robot hand consists of 20 joints, has 15 degrees of freedom of movement, 34 newtons of fingertips, weighs less than 1.1 kilograms, is compact in size (218 millimeters), and has a tactile sensor function.Since all the parts are built into the robot hand, it can be attached to the existing robot arm without adding parts such as the forearm. In a series of experiments, Kim et al. Demonstrated that the robot hand can pick up objects of various shapes, grab a can hard enough to crush it, and gently grab an egg without breaking it.The robot hand could cut paper with scissors or pick up small objects with tweezers.
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* This article is reprinted from "Nature Japan Featured Highlights".
Reprinted from: "Robotics: A dexterous robot hand'
