Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
Papers
Optimization of Grasping of 3-D Parts by Universal Robotic Hand with Parallel Stick Fingers for Assembly Tasks
Hiroki DobashiWataru KamiokaTakanori FukaoYasuyoshi YokokohjiAkio NodaHikaru NaganoTatsuya Nagatani
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2015 Volume 28 Issue 6 Pages 258-266

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Abstract

In a robotic cell, assembly robots have to grasp parts in various shapes of a target product accurately and robustly against some external wrenches (i.e., forces and moments) exerted on the parts in order to ensure assembly tasks. Assuming the use of a universal robotic hand with multiple fingers for this purpose, it is desirable that necessary finger forces are as small as possible. From this point of view, in this paper, we consider grasping of three-dimensional parts by a universal robotic hand with parallel stick fingers, and propose a method to optimize the grasping under a given required external wrench set. The utility of the proposed method is shown with numerical examples.

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© 2015 The Institute of Systems, Control and Information Engineers
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