Contour error control of CNC machine tools with vibration avoidance

被引：88
|
作者：
Altintas, Y. [1 ]
Khoshdarregi, M. R. [1 ]
机构：
[1] Univ British Columbia, Dept Mech Engn, Mfg Automat Lab, Vancouver, BC V6T 1Z4, Canada
来源：
CIRP ANNALS-MANUFACTURING TECHNOLOGY | 2012年 / 61卷 / 01期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Drive; Error; Compensation; SYSTEM;
D O I：
10.1016/j.cirp.2012.03.132
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A vibration avoidance and contouring error compensation algorithm for feed drives is presented. The residual vibrations are avoided by applying input shaping filters on the reference axis commands. The input shaping filter avoids the excitation of the structural modes but at the expense of increasing tracking and contouring errors. The tracking errors are estimated from the closed loop transfer function of drives, and used to predict the contouring errors which are mapped to the each axis for pre-compensation. The integrated vibration avoidance and contouring error compensation is experimentally demonstrated to improve the damping and contouring accuracy on a two-axis table. (c) 2012 CIRP.
引用
收藏
页码：335 / 338
页数：4
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