基于PID+前馈的3 MN径向锻造机控制系统的研究  

Research and development of the control system based on PID closed-loop control plus feedforward for 3 MN radial-direction hydraulic forging machine

作　　者：苏振华[1] 张营杰[1] 冯东晓[1] 高尚晖[1] 张爱华 SU Zhen-hua;ZHANG Ying-jie;FENG Dong-xiao;GAO Shang-hui;ZHANG Ai-hua(China National Heavy Machinery Research Institute Co.,Ltd.,Xi’an 710032,China;Sapa Chaleo Aluminium Products(Chongqing)Co.,Ltd.,Chongqing 401326,China)

机构地区：[1]中国重型机械研究院股份公司,陕西西安710032 [2]中铝萨帕特种铝材(重庆)有限公司,重庆401326

出　　处：《重型机械》2020年第3期44-47,共4页Heavy Machinery

摘　　要：本文介绍了3 MN径向液压锻造机的系统组成及其控制技术点,针对3 MN径向液压锻造机的控制研究方向,提出了由工业控制计算机和PLC以及运动逻辑控制器之间组成的TCP/IP网络结构;针对其控制上的快速性、平稳性和高精度的要求,设计了一种PID+前馈的控制系统,实现了四锤头同步锻造时平稳、无冲击和准确的位置控制。The components and the control logics of the 3 MN radial-direction hydraulic forging machine were introduced in this paper.According to the research on how to automatically control the 3 MN hydraulic forging machine,the TCP/IP network structure consisting of an industrial control computer,PLC and it’s motion logic controller were developed.To achieve the requirements including rapidity,smoothness and high precision,the control system composed of PID and feedforward were designed to ensure four hammers forging stably,smoothly and positioning precisely at the same time.

关 键 词：径向液压锻造机 PLC 运动逻辑控制器 同步 前馈 

分 类 号：TH39[机械工程—机械制造及自动化]