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Paper FrD7.1

Kanamiya (Nenchev), Yoshikazu (Dragomir) (Tokyo City University)

Natural Self Motion of a Robotic Limb with Single Degree-Of-Redundancy

Scheduled for presentation during the Regular Sessions "Kinematics of Redundant Systems" (FrD7), Friday, May 15, 2009, 15:30−15:50, Room: 405

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 21, 2022

Keywords Redundant Robots, Kinematics, Dynamics

Abstract

The self motion of a kinematically redundant robotic limb with single degree of redundancy is analyzed, focusing thereby on the nonlinear self-motion component. The role of this component has been completely ignored in past studies on self motion. It is shown that Jacobian pseudoinverse-based resolution --- the usual resolution method for nonlinear self-motion --- yields poor dynamic performance. A special type of self motion is identified based on the natural metric on the self-motion manifold and the energy conservation principle. This type of self motion is shown to have superior dynamics in terms of torque requirement and to avoid abrupt fluctuations in acceleration in the vicinity of singular points.

 

 

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