基于MATLAB的锅炉水温与流量串级控制系统的设计目录摘要............................................................................................................1Abstract.......................................................................................................21概述..........................................................................................................31.1过程控制.....................................................31.2串级控制系统.................................................51.3MATLAB软件..................................................61.4MCGS组态软件................................................72PID控制器原理..........................................................................................92.1PID控制器简介...............................................92.2PID控制系统................................................102.3PID控制参数的整定及方法....................................112.3.1PID控制参数的整定简介................................112.3.2PID控制参数整定方法..................................113建立被控对象模型....................................................................................143.1被控对象建模...............................................143.2测量被控对象阶跃响应曲线...................................153.3求取被控对象传递函数........................................164控制方案的设计及仿真.............................................................................214.1设计控制系统框图...........................................214.2Simulink控制系统仿真.......................................224.3仿真结果分析................................................234.4串级控制与单回路控制系统抗干扰性能仿真.....................255结论........................................................................................................28致谢............................................................................................................29参考文献.....................................................................................................30附录：英语资料及译文...............................................错误！未定义书签。1摘要本设计针对锅炉温度控制问题，综合应用过程控制理论以及近年来兴起的仿真技术、计算机远程控制、组态软件，设计了锅炉温度流量串级控制系统。首先，通过实验法建立锅炉的数学模型，得到锅炉温度与进水流量之间的传递函数，通过对理论设计的控制方案进行仿真，得到较好的响应曲线，为实际控制系统的实现提供先决条件。其次，使用智能仪表作为控制器，组建现场仪表过程控制系统，通过参数整定，得到较好现场控制效果。再次，实现积分分离的PID控制算法。关键词：水温流量串级控制系统PID控制仪表过程控制系统计算机过程控制系统2AbstractThepurposeofthisthesisistodesigntheliquidlevel'sconcatenationcontrolsystemofthedoublecapacitywatertank.Thisdesignmakesfulluseoftheautomaticindicatortechnique﹑thecomputertechnique﹑thecommunicationtechniqueandtheautomaticcontroltechniqueinordertorealizeconcatenationcontrolofwatertank'sliquid.First,Icarryouttheanalysisofthecontrolledobjects'model,andusetheexperimentalmethodtocalculatethetransferfunctionofthemodel.Next,IDesigntheconcatenationcontrolsystemandusethedynamicsimulationtechniquetoanalyzethecapabilityofcontrolsystem.Afterwards,Idesignandsetuptheindicatorprocesscontrolsystem,realizePIDcontroloftheliquidlevelwithintelligenceindicator.Finally,Idesignandsetupthelongdistancecomputer...
