Error compensation on precision machine tool servo control system based on digital concave filter

王立松; 苏宝库; 张晶; 董申

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Error compensation on precision machine tool servo control system based on digital concave filter

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It is concluded from the results of testing the frequency characteristics of the sub micron precision machine tool servo control system, that the existence of several oscillating modalities is the main factor that affects the performance of the control system. To compensate for this effect,several concave filters are utilized in the system to improve the control accuracy. The feasibility of compensating for several oscillating modalities with a single concave filter is also studied. By applying a modified Butterworth concave filter to the practical system, the maximum stable state output error remains under ±10 nm in the closed loop positioning system.

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来源
《哈尔滨工业大学学报：英文版》 |2001年第4期|389-393|共5页
作者
王立松; 苏宝库; 张晶; 董申;
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作者单位

Dept. of Control Theory and Engineering;

Harbin Institute of Technology;

Dept. of Computer Science and Engineering;

Harbin Institute of Technology;

Dept. of Mechanical Engineering and Automation;

Harbin Institute of Technology;

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原文格式 PDF
正文语种 chi
中图分类 TP271.4;
关键词
precision machine tool; concave filter; oscillating modality;

Error compensation on precision machine tool servo control system based on digital concave filter

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