板压滚动塑性精成形机控制系统的分析-analysis of control system of plate pressing rolling plastic finishing machine.docx

浙江：[业大学硕二【=学位论文板压滚动塑性精成形机控制系统的研究 摘要本论文是我的导师宋玉泉教授关于连续局部塑性精成形总体研究 的一个组成部分。浙江工业大学汽车零部件加工中心根据“板压滚动 塑性精成形机”发明专利的思想，设计制造了生产模拟样机。该样机 在控制和数据检测方面的问题较严重，为了解决控制方面的问题，提 高板压机的自动化程度、生产效率，提高板压机加工零件的质量和精 度，有必要对板压机应用计算机控制技术。 -本文首先研究了模拟样机的控制系统，通过深入的研究与分析，发 现模拟样机控制系统存在结构不合理、系统成本高、继电器控制硬件 接线复杂、可靠性不高等问题。为r克服这些问题，本文使用集微电 子技术、计算机技术于一‘体的PLC作为控制系统的控制器，采用下位 机PLc控制与上位机PC机信息管理相结合的两级控制方式，实现板 压机生产过程的自动化控制和计算机信息管理。本文完成了板压机 PLc控制系统的硬件设计，研究了板压机控制系统的控制策略，对板 压机模板速度的实时控制问题提出了模糊控制方法，初步完成了控制 系统的软件设计，探讨了板压机监控软件实现的关键技术问题。 关键词：板压机，控制系统，可编程控制器，模糊控制，变频调速， 计算机信息管理浙江工业大学硕士学位论文THE RESEARCH oF PLATE—ROLLING PLASTIC PRECISE FORMING MACHINE CONTROL SYSTEMABSTRACTThis paper is one part of the oVerall research of about successiVe panial platic forming which is researched by tutor Professor Song 1YuQuan．According to the patent ldeal of“plate—r01nng plastic precise fomling machine”，machining centre for motor components in zhej iang University of Technology has designed and manufhctured one prototype fbr manufacture simulation，but this prototype had some grieVous problem incontrol and data measure aspect．it is necessary to appliance computer contr01 technique，f．or solving problem of control aspect，proVing automatic degree and productive efhciency of plate—rolling machine，proVing the quaIity and pl’ecision ofplate-rolling machine machining partFirstly，in this p印e1study the prototype’s contr01 system，f．ound some problem in the prototype’s control system，such as the structure of control system is not reasonable，the cost of control system is high，hardware connection is complex and reliability is low in relay control by thorough research and analysis．For overcoming these problem，this p印er applips PLC which is congregating with micro—electronics technology and computer techn0109y as the contr01ler of plate—rolling machine’s control浙江工业大学硕士学位论文system，adopt the mode of PLC contr01 combines with PC computer information manager．realize automatic contr01 and computer information manager in plate—rolIing machine’s manufacture pro