Interpolation Error Prediction of a Three-Degree Parallel Kinematic Machine-Reference-Cited by-同舟云学术

Interpolation Error Prediction of a Three-Degree Parallel Kinematic Machine

Published:2004-09-01 Issue:5 Volume:126 Page:932-937
ISSN:1050-0472
Container-title:Journal of Mechanical Design
language:en
Short-container-title:

Author:

Wang Yang¹,Huang Tian²,Gosselin Clement M.¹

Affiliation:

1. Dept. of Mechanical Engineering, Laval University, Quebec, Quebec, Canada, G1K 7P4

2. School of Mechanical Engineering, Tianjin University, Tianjin 300072, P.R. China

Abstract

In this paper, an NC interpolation algorithm for a tripod-based parallel kinematic machine is investigated. The algorithm can be implemented in two steps, the rough interpolation in the Cartesian space and the precise interpolation in the actuator space. The upper bound of the theoretical interpolation error due to the interpolation algorithm in the precise interpolation and nonlinear mapping is analyzed. The representation of the interpolation error distribution within the Cartesian space is depicted in terms of the variations of the interpolation period and the programming velocity. It was concluded that this error is sufficiently small and may be neglected.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Link

http://asmedigitalcollection.asme.org/mechanicaldesign/article-pdf/126/5/932/5921868/932_1.pdf

Reference10 articles.

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