[1]黄金晶,杨 凯,王嘉卿.基于改进 PID 的数控机床电气控制系统优化设计[J].机械与电子,2021,(08):45-50.
　HUANG Jinjing,YANG Kai,WANG Jiaqing.Optimal Design of Electrical Control System of NC Machine Tool Based on Improved PID[J].Machinery & Electronics,2021,(08):45-50.
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基于改进 PID 的数控机床电气控制系统优化设计()
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机械与电子[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2021年08期
页码:
45-50
栏目:
自动控制与检测
出版日期:
2021-08-24

文章信息/Info

Title:
Optimal Design of Electrical Control System of NC Machine Tool Based on Improved PID
文章编号:
１００１-２２５７ ( ２０２１ ) ０８-００４５-０６
作者:
黄金晶; 杨 凯; 王嘉卿
上海海事大学工程训练中心,上海 ２０１３０５
Author(s):
HUANG Jinjing ;  YANG Kai ;  WANG Jiaqing
( Engineering Training Center ,Shanghai Maritime University , Shanghai ２０１３０５ , China )
关键词:
PID 闭环反馈系统; 奈奎斯特图; 数控机床; 电气控制系统; 驱动电机
Keywords:
PID closed loop feedback system ;  Nyquist diagram ;  NC machine tool ;  electrical control system ;  drive motor
分类号:
TG６５９ ; TP２７３
文献标志码:
A
摘要:
针对传统数控机床控制系统存在计算方法较为复杂、稳定性较差和响应速度慢的问题,提出基于改进 PID 优化的数控机床电气控制系统.利用 PID 闭环反馈系统下奈奎斯特图得出稳定的裕量信息,通过奈奎斯特曲线与系统距离量化系统稳定性,把采集到的初始数据作为零点,下一时间采集的信息和零点偏差当成误差量并不断输出信号,降低误差振荡值;直流电源供配电子系统以线码模式标记为 IO 信号提供电源电压;电气负荷子系统通过电机床的有功、无功以及视在功率推测系统的负荷,使系统能够并行处理多种事件,最后由自动换刀、断刀检测、深度检测降低损耗,以辅助功能模块、状态显示、运行模式选取、 G 代码编辑、控制器的程序编辑以及参数设置模块实现整个系统的搭建.实验证明,所设计系统响应速度快、对数控机床的恒温冷却及刀具位移变化的控制性能较好,稳定性强.
Abstract:
The traditional numerical control machine tool control system has the problems of complicated calculation method , poor stability , and slow corresponding speed．For this reason , an electrical control system of numerical control machine tool based on improved PID optimization is proposed．PID closed-loop feedback system is used to obtain stable margin information , the system stability is quantified through the Nyquist curve and the distance of the system , the collected initial data is taken as the zero point , and the information and zero point collected at the next time Deviations are treated as errors and signals are continuously output to reduce the error oscillation value ; DC power supply and distribution subsystems provide power supply voltage as IO signals marked in line code mode ; electrical load subsystems estimate the system through the active , reactive and apparent power of the motor bed． In order to realize that the system can handle multiple events in parallel , and finally reduce the loss by automatic tool change ,broken tool detection , depth detection , auxiliary function modules , status display , operation mode selection , G code editing , controller program editing , and The parameter setting module realizes the construction of the whole system．Experiments have proved that the designed system has fast response speed , good control performance on constant temperature cooling and tool displacement changes of NC machine tools ,and strong stability．

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备注/Memo

备注/Memo:
收稿日期: ２０２１-０４-１６
作者简介:黄金晶 ( １９８７－ ),男,上海人,学士,助理工程师,研究方向为机械制造;杨 凯 ( １９８６－ ),男,上海人,学士,助理工程师,研究方向为机械加工;王嘉卿 ( １９８７－ ),男,上海人,硕士,助理工程师,研究方向为机电自动化.
更新日期/Last Update: 2021-09-01