ICRA'09 Paper Abstract

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Paper FrB5.1

Zheng, Yu (National University of Singapore), Chew, Chee Meng (National University of Singapore)

A Numerical Solution to the Ray-Shooting Problem and Its Applications in Robotic Grasping

Scheduled for presentation during the Regular Sessions "Grasping - II" (FrB5), Friday, May 15, 2009, 10:30−10:50, Room: 403

2009 IEEE International Conference on Robotics and Automation, May 12 - 17, 2009, Kobe, Japan

This information is tentative and subject to change. Compiled on January 24, 2022

Keywords Grasping, Multifingered Hands, Dexterous Manipulation

Abstract

Based on the distance algorithm by Gilbert et al., this paper presents a numerical algorithm for computing the intersection of the boundary of a compact convex set with a ray emanating from an interior point of the set, which is known as the ray-shooting problem. Affinely independent points on the boundary of the convex set are also determined such that the intersection point can be written as their convex combination. Because of its high efficiency and other good qualities, this algorithm provides superior solutions to three fundamental problems in robotic grasping, i.e., force-closure test, contact force optimization, and grasp quality evaluation, which can be formulated as the ray-shooting problem.

 

 

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