Design of a Roller-Based Dexterous Hand for Object Grasping and Within-Hand Manipulation

Shenli Yuan1, Austin Epps2, Jerome Nowak1, Kenneth Salisbury1

  • 1Stanford University
  • 2Dexterity Systems

Details

11:15 - 11:30 | Mon 1 June | Room T1 | MoB01.1

Session: Awards II – Robot Mechanisms and Design, Automation

Category: Awards Papers

08:45 - 09:00 | Tue 2 June | Room T1 | TuA01.3

Session: Awards V – Robot Manipulation, Cognitive Robotics

Category: Awards Papers

11:15 - 11:30 | Tue 2 June | Room T1 | TuB01.1

Session: Awards VI – Best Student Paper Award, Best Conference Paper Award

Category: Awards Papers

09:00 - 09:15 | Wed 3 June | Room T13 | WeA13.4

Session: Dexterous Manipulation I

Category: Regular Papers

Full Text

Abstract

This paper describes the development of a novel non-anthropomorphic robot hand with the ability to manipulate objects by means of articulated, actively driven rollers located at the fingertips. An analysis is conducted and systems of equations for two-finger and three-finger manipulation of a sphere are formulated to demonstrate full six degree of freedom nonholonomic spatial motion capability. A prototype version of the hand was constructed and used to grasp and manipulate a variety of objects. Tests conducted with the prototype confirmed the validity of the mathematical analysis. Unlike conventional approaches to within-hand manipulation using legacy robotic hands, the continuous rotation capability of our rolling fingertips allows for unbounded rotation of a grasped object without the need for finger gaiting.