基于综合智能计算的数控系统误差补偿

中国机械工程 ›› 2011, Vol. 22 ›› Issue (1): 1-4.

• 机械基础工程 • 下一篇

基于综合智能计算的数控系统误差补偿

曾黄麟;孙勇;陈顺玲

四川理工学院，自贡，643000

出版日期:2011-01-10 发布日期:2011-01-17
基金资助:
国家科技重大专项(2009ZX04002-013)；四川省教育厅基础应用研究课题(2008RZ003)
National Science and Technology Major Project ( No. 2009ZX04002-013)

Error Compensation for Machine Tools Based on Integrated Intelligent Computation

Zeng Huanglin;Sun Yong;Chen Shunling

Online:2011-01-10 Published:2011-01-17
Supported by:
National Science and Technology Major Project ( No. 2009ZX04002-013)

摘要/Abstract

摘要：

提出一种基于综合智能计算的数控系统位置控制方法，其基本思想是，在现有的数控系统内部嵌入一个神经网络的小型系统（采用插件形式嵌入），利用综合智能计算，得出系统补偿误差，实现对数控系统误差补偿的智能控制。综合智能计算通过应用粗集理论对决策表进行属性约简，利用主元分析进行数据压缩及特征提取，以降低BP网络的输入维数，缩短网络的训练时间，并利用蚁群算法对BP网络参数进行全局搜索，实现网络快速收敛到全局最优值。试验仿真表明，此方法可有效提高系统补偿精度和实时性。

关键词:

BP网络, 粗集理论, 主元分析, 蚁群算法

Abstract:

This paper is a study of error compensation for machine tools based on integrated intelligent computation. The primary focus was on integrated intelligent computation approach to develop a BP neural network embed in a digital control system of a machine tool. Data compression and feature extraction was realized by way of application of RST and principal component analysis, which reduced BP network input dimension and reduced network training time. Taking advantages of ant colony algorithm, a global optimum of error compensation for machine tools was obtained by a BP network convergence. Positioning error compensation capabilities were tested using industrial standard equipment and procedures. The results obtained show that this approach can improve compensation precision and real time of error compensation for machine tools effectively.

Key words:

BP network, rough set theory(RST), principal component analysis, ant colony algorithm

中图分类号:

TG502.15

曾黄麟, 孙勇, 陈顺玲.

基于综合智能计算的数控系统误差补偿

[J]. 中国机械工程, 2011, 22(1): 1-4.

CENG Huang-Lin, SUN Yong, CHEN Shun-Ling.

Error Compensation for Machine Tools Based on Integrated Intelligent Computation

[J]. China Mechanical Engineering, 2011, 22(1): 1-4.

参考文献

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基于综合智能计算的数控系统误差补偿

Error Compensation for Machine Tools Based on Integrated Intelligent Computation

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