基于-PLC-的复卷张力控制系统电气设计

毕业设计(论文)报告题目名称：基于PLC的复卷张力控制系统电气设计学生姓名：学号：二级学院（系）/专业：能源与电气工程学院/电气自动化技术专业班级：电气xxx指导教师：201x年5月23日毕业设计（论文）报告纸1┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊摘要本文通过分析张力控制系统的发展历史和市场现状，确立了项目研究的基本方向。通过分析恒线速度的张力控制系统的工作过程和原理，结合理论知识建立起张力控制系统的数学模型，选择PID控制算法作为主控制策略，采用闭环速度控制模式，从而提高被控量的稳定性、可靠性、精确性。该系统采用三菱Q系列模块式PLC作为系统的控制器，施耐德超声波传感器、张力传感器和旋转编码器作为检测元件，三菱FR-A700变频器搭配普通的交流异步电机作为执行机构，三菱GOT触摸屏作为监控和显示部分，建立起卷绕辊恒线速度、卷材恒张力的复卷张力控制系统。该系统控制精度高，稳定性好，同时具有生产过程实时监控和数据可视化等优点。关键词：恒线速度；张力检测；PLC；变频器；PID。毕业设计（论文）报告纸2┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊ABSTRACTInthispaper,thedevelopmenthistoryandcurrentsituationofmarketoftensioncontrolsystem,establishedthebasicdirectionofproject.Theworkingprocessandprincipleofthecontrolsystemthroughtheanalysisofconstantspeedandtension,combinedwiththeoreticalknowledgetoestablishthemathematicalmodeloftensioncontrolsystem,selectthePIDcontrolalgorithmasthemaincontrolstrategy,usingtheclosed-loopspeedcontrolmode,soastoimprovethestabilityofthecontrolledquantity,reliability,accuracy.ThissystemusesMitsubishiQseriesmoduletypePLCasthesystemcontroller,Schneiderultrasonicsensor,tensionsensorandrotaryencoderasthedetectingelement,MitsubishiFR-A700inverterwithACasynchronousmotorcommonastheexecutingagency,MitsubishiseriesGOT1000touchscreenasthemonitoringanddisplaypart,establishtherewindingtensioncontrolsystemofconstanttension,coilwindingrollerconstantlinearvelocity.Thesystemhashighcontrolaccuracy,goodstability,atthesametimewiththeproductionprocessreal-timemonitoringanddatavisualizationetc..Keywords:constantlinearvelocityandtensiontest;PLC;frequencyconverter;PID.毕业设计（论文）报告纸3┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊目录摘要................................................................................................................................1ABSTRACT.....................................................................................................................2目录................................................................................................................................3第1章绪论...................................................................................................................51.1张力控制系统简介.........................................................................................51.2张力控制系统的市场现状.............................................................................51.3张力控制系统发展历史.................................................................................6第2章张力控制系统概述...........................................................................................72.1张力数学模型.................................................................................................72.2张力控制原理.................................................................................................82.3张力控制方式.................................................................................................92.4张力控制动态过程分析................................................................................9第3章张力控制系统方案设计.................................................................................103.1总体设计....................................................................................................103.2系统控制策略..............................................................................................103.3硬件设计......................................................................................................113.3.1硬件介绍及设备选型.......................................................................113.3.2电气设计...........................................................................................183.4软件设计.......................................................................................................203.4.1PLC程序设计.....................................................................................203.4.2触摸屏画面设计...............................................................................23第4章系统调试.........................................................................................................264.1系统装配效果图..........................................................................................264.2系统抗干扰措施..........................................................................................274.2.1控制系统中的干扰及其来源............................................................274.2.2常用抗干扰措施...............................................................................274.2.3本系统采用的抗干扰措施...............................................................284.3PID参数整定................................................................................................284.4系统运行情况..............................................................................................29总结.............................................................................................................................30致谢.............................................................................................................................31毕业设计（论文）报告纸4┊┊┊┊┊┊┊┊┊┊┊┊装┊┊┊┊┊订┊┊┊┊┊线┊┊┊┊┊┊┊┊┊┊┊┊┊参考文献...............................................................