目录摘要.........................................................................1Abstract:.....................................................................21概述..............................................................31.1过程控制介绍..........................................................31.2液位串级控制系统介绍..................................................41.3MATLAB软件介绍........................................................41.4MCGS组态软件介绍......................................................52被控对象建模......................................................72.1水箱模型分析..........................................................72.2阶跃响应曲线法建立模型................................................73系统控制方案设计与仿真...........................................133.1PID控制原理..........................................................133.2系统控制方案设计.....................................................153.2控制系统仿真.........................................................164建立仪表过程控制系统.............................................204.1过程仪表介绍.........................................................204.2仪表过程控制系统的组建...............................................214.3仪表过程控制系统调试运行.............................................245建立计算机过程控制系统...........................................265.1计算机过程控制系统硬件设计...........................................265.2MCGS软件工程组态.....................................................285.3计算机过程控制系统调试运行...........................................386结论.............................................................40谢词.........................................................................41参考文献.....................................................................42双容水箱液位串级控制系统的设计摘要：本论文的目的是设计双容水箱液位串级控制系统。在设计中充分利用自动化仪表技术，计算机技术，通讯技术和自动控制技术，以实现对水箱液位的串级控制。首先对被控对象的模型进行分析，并采用实验建模法求取模型的传递函数。其次，根据被控对象模型和被控过程特性设计串级控制系统，采用动态仿真技术对控制系统的性能进行分析。然后，设计并组建仪表过程控制系统，通过智能调节仪表实现对液位的串级PID控制。最后，借助数据采集模块﹑MCGS组态软件和数字控制器，设计并组建远程计算机过程控制系统，完成控制系统实验和结果分析。关键词：液位模型PID控制仪表过程控制系统计算机过程控制系统Abstract:Thepurposeofthisthesisistodesigntheliquidlevel'sconcatenationcontrolsystemofthedoublecapacitywatertank.Thisdesignmakesfulluseoftheautomaticindicatortechnique﹑thecomputertechnique﹑thecommunicationtechniqueandtheautomaticcontroltechniqueinordertorealizeconcatenationcontrolofwatertank'sliquid.First,Icarryouttheanalysisofthecontrolledobjects'model,andusetheexperimentalmethodtocalculatethetransferfunctionofthemodel.Next,IDesigntheconcatenationcontrolsystemandusethedynamicsimulationtechniquetoanalyzethecapabilityofcontrolsystem.Afterwards,Idesignandsetuptheindicatorprocesscontrolsystem,realizePIDcontroloftheliquidlevelwithintelligenceindicator.Finally,Idesignandsetupthelongdistancecomputercontrolsysteminvirtueofthedatacollectionmodule﹑MCGSsoftanddigitalPIDcontroller，accomplishcontrolsystemexperimentandanalyzetheoutcome.Keywords:liquidlevelmodelPIDcontrolindicatorprocesscontrolsystemcomputerp...
