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TECHNICAL BRIEFS

The Theory of Kinematic Parameter Identification for Industrial Robots

[+] Author and Article Information
L. J. Everett, Tsing-Wong Hsu

Robotics and Productivity Laboratories, Mechanical Engineering Department, Texas A&M University, College Station, Texas 77843

J. Dyn. Sys., Meas., Control 110(1), 96-100 (Mar 01, 1988) (5 pages) doi:10.1115/1.3152658 History: Received September 01, 1986; Online July 21, 2009

Abstract

This paper presents the concept of completeness for kinematic identification of robot manipulators. Completeness is defined as the ability to map joint positions into tool positions for all arbitrary manipulators. It is suggested that complete models must contain a certain number of independent parameters. Furthermore it is suggested (and shown by practical examples) that the required number of independent kinematic parameters is easy to determine a-priori. This enables one to check a model for completeness. Although the basic idea behind kinematic identification may have been considered well known, several identification algorithms in the recent literature are incomplete. Two examples are included in this paper. For this reason, this paper presents the topic and includes the conditions for a complete and viable identification algorithm.

Copyright © 1988 by ASME
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