Integrated Five-Axis Trajectory Shaping and Contour Error Compensation for High-Speed CNC Machine Tools

被引：57
|
作者：
Khoshdarregi, Mohammad R. [1 ]
Tappe, Svenja [2 ]
Altintas, Yusuf [1 ]
机构：
[1] Univ British Columbia, Mfg Automat Lab, Vancouver, BC V6T 1Z4, Canada
[2] Leibniz Univ Hannover, Inst Mechatron Syst, D-30167 Hannover, Germany
来源：
IEEE-ASME TRANSACTIONS ON MECHATRONICS | 2014年 / 19卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
Error compensation; filter distortion; trajectory shaping; vibration avoidance; PART II; SYSTEM; DESIGN;
D O I：
10.1109/TMECH.2014.2307473
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A feedforward trajectory command shaping algorithm is proposed to simultaneously reduce the contouring errors and avoid structural vibrations in five-axis CNC machine tools. Trajectory shaping is used to avoid the excitation of the transient, inertial vibrations but at the expense of distorting the reference path due to added delay. The contouring error caused by both trajectory shaping and limited bandwidth of servo drives is predicted based on the trajectory parameters and machine dynamics. The shaped axis commands are then corrected to precompensate the predicted contour errors. The effectiveness of the proposed technique is verified experimentally on a five-axis CNC machining center.
引用
收藏
页码：1859 / 1871
页数：13
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