In-hand manipulation with a novel reconfigurable robotic hand

Carl A. Nelson

Research output: Contribution to journalArticlepeer-review

Abstract

One of the hallmarks of a dexterous robotic hand is the ability to perform in-hand manipulation (i.e., without re-grasping). In the field of robotic hand design, however, there are competing interests between dexterity, simplicity, and reconfigurability. It can be difficult to achieve all of these objectives simultaneously. This paper presents the design of a simple underactuated grasper which uses a gimbal and parallelogram mechanism to achieve in-hand manipulation while maintaining grasp. The new grasper also integrates elements which make it reconfigurable or metamorphic, and is readily adapted for different types of robotic fingers. The design is validated with a physical prototype, and its performance related to in-hand manipulation is evaluated using multibody simulations, showing improved range of reorientation of grasped objects compared to a more standard fixed-palm underactuated finger design.

Original languageEnglish (US)
Pages (from-to)9919-9928
Number of pages10
JournalProceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Volume236
Issue number18
DOIs
StatePublished - Sep 2022

Keywords

  • in-hand manipulation
  • robotic grasping
  • underactuated grasper

ASJC Scopus subject areas

  • Mechanical Engineering

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