流量比值控制系统课题设计

过程控制综合课程设计学生姓名聂成洪学号0707030123教学院系电气信息工程学院专业年级自动化07级指导教师任堰牛完成日期2011年1月7日力控和MATLAB软件在硝酸生产中的应用聂成洪，张宝鹏，李健（西南石油大学电气工程学院，成都610500）摘要:在工业控制中常用的组态软件力控编写控制算法具有局限性,特别是随着智能技术的发展,复杂实时控制算法是很难解决的,而MATLAB具有强大的数值分析和计算处理功能,可以完成对复杂的智能控制器设计,及对数据分析处理。将二者优势互补,实现力控与MATLAB结合的实时控制,可促使智能控制技术在工业控制界广泛应用。本文阐述了监控组态软件力控和矩阵实验室(MATLAB)同时用来监控和分析氨气氧化成一氧化氮的实时数据以及单闭环与双闭环比值控制系统的方案。关键词:力控;MATLAB；流量比值控制系统；单闭环；双闭环ApplicationofForceControlandMATLABinNitricacidmanufactureNIECheng-hong,ZHANGBao-peng,Leejian(SchoolofElectricInformationEngineering,SouthwestPetroleumUniversity,Chengdu610500,China)Abstract:Intheindustrialcontrolareaprogrammingthecontrolalgorithmshaslimitations,usingtheForceControlespeciallywiththesmarttechnology,itisverydifficulttosolvecomplexreal-timecontrolalgorithms,andMATLABhaspowerfulnumericalanalysisandcomputing,processingfunction,whichcancompletethecomplexsmartcontrollerdesign,dataanalysisandprocessing.Topromotesmartcontroltechnologyintheindustrialsector,andtocombinedthetwosoftwareforreal-timecontrol.TheConfigurationmonitoringsoftwareForceControlandmatrixlaboratory(MATLAB)usedtomonitorandanalyzereal-timedataonammoniaoxidationofnitricoxidesingle-closed-loopanddouble-closed-loopratiocontrolsystem.KeyWords：ForceControl;MATLAB;flowratiocontrolsystem;single-closed-loop;double-closed-loop目录第1章结论.......................................................................................................................................11.1设计研究背景....................................................................................................................11.2设计的目的及意义............................................................................................................21.3小组成员及分工说明........................................................................................................21.4设计内容及要求................................................................................................................21.4.1设计要求...................................................................................................................21.4.2设计任务分析...........................................................................................................21.4.3设计内容...................................................................................................................2第2章控制方案...............................................................................................................................42.1总体方案比较....................................................................................................................42.2方案论证............................................................................................................................42.3方案选择............................................................................................................................5第3章双闭环比值控制系统的设计...............................................................................................63.1双闭环比值控制系统........................................................................................................63.2比值器参数K′的计算........................................................................................................63.3广义传递函数....................................................................................................................73.4Matlab软件Simulink的设计图........................................................................................73.5监控组态软件力控对双闭环流量比值控制进行设计..................................................103.5.1建立仿真驱动.........................................................................................................103.5.2I/O点收集及表单...................................................................................................103.5.3创建实时数据库.....................................................................................................113.5.4制作双闭环流量比值控制系统主画面.................................................................123.5.4.1控制策略建立................................................................................................123.5.4.2创建组态界面PID手操器及其设置...........................................................133.5.4.3实时趋势曲线的设置....................................................................................153.5.4.4总体画面组态................................................................................................16第4章控制组态的正常运行结果.................................................................................................17第5章实验小结.............................................................................................................................18参考文献.........................................................................................................................................19过程控制综合课程设计聂成洪07070301231第１章结论1.1设计研究背景工业生产过程中，要求两种或多种物料成一定比例关系，一旦比例失调，会影响生产的正常进行，影响产品质量，浪费原料，消耗动力，造成环境污染，甚至产生生产事故，所以严格控制其比例，对于安全生产来说是十分重要的。尤其在化工生产中，经常需要两种或两种以上的物料按一定比例混合或进行化学反应，如果比例失调，轻则造成产品质量不合格，重则会造成生产事故或发生人身伤害，给企业带来较大的损失。例如氨分解工艺中的氨分解炉，入炉煤气和空气应保持一定的比例，否则将使燃烧反应不能正常进行，而煤气和空气比例超过一定的极限将会引起爆炸。比值控制的目的就是为了