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JRM Vol.10 No.6 pp. 475-481
doi: 10.20965/jrm.1998.p0475
(1998)

Paper:

Symbolic Analysis of Robot Base Parameter Set Using Grobner-Basis

Harushisa Kawasaki and Toshimi Shimizu

Department of Mechanical Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan

Received:
June 5, 1998
Accepted:
August 6, 1998
Published:
December 20, 1998
Keywords:
Robot, Grobner base, Computer algebra, Dynamics, Maple
Abstract

We analyzed base parameters for closed-loop robots using robot symbolic analysis based on the completion procedure in polynomial ideal theory. The robot dynamics regressor is represented as a matrix of multivariate polynomials and reduced to normal form based on Buchberger’s algorithm by constructing reduced Grobner basis from kinematic constrained equations. The linear independence of the reduced regressor’s column vectors is studied by Gauss-Jordan elimination. Original dynamic parameters are regrouped and some eliminated, depending on results. This omits the need to solve kinematic constrained equations explicitly, deriving all base parameters systematically in theory. An example is shown using robot symbolic analysis system: ROSAM 11.

Cite this article as:
H. Kawasaki and T. Shimizu, “Symbolic Analysis of Robot Base Parameter Set Using Grobner-Basis,” J. Robot. Mechatron., Vol.10, No.6, pp. 475-481, 1998.
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