Fuzzy PID Control To Feed Servo System of CNC Machine Tool

被引:28
|
作者
Xie Dong [1 ]
Zhu Jian-qu [1 ]
Wang Feng [1 ]
机构
[1] Chong Qing Univ Sci & Technol, Sch Elect & Informat Engn, Chongqing 401331, Peoples R China
关键词
Fuzzy Control; PID Control; Adaptive; Feed Servo System;
D O I
10.1016/j.proeng.2012.01.403
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The feed servo system of CNC machine tool is a complex electromechanical coupling system. Due to the characteristics of time-varying parameters, load disturbances and motor nonlinear, it is difficult to model for the control system accurately. An approach is presented that a fuzzy adaptive PID controller is designed by the PID controller combined with the fuzzy controller based on the mathematical model of the CNC machine tool feed servo system. The controller is applied to control the feed servo system and gained better control performance. The simulation results show that this method not only has no static distortion, but also has a fast response with little overshoot. This fuzzy adaptive PID controller has high stability and accuracy. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Harbin University of Science and Technology
引用
收藏
页码:2853 / 2858
页数:6
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