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1.1.1 目录
一. 设计任务 ......................................................................................................1
二. 前言 ..............................................................................................................1
三. 系统控制方案设计 ......................................................................................2
四. 系统硬件设计 ..............................................................................................4
4.1 设备的选型........................................................................................4
4.1.1 控制器的选型 .............................................................................4
4.1.2 变频器的选型 .............................................................................4
4.1.3 流量传感器变送器的选型 .........................................................5
4.1.4 执行器的选型 .............................................................................5
4.2 硬件电路............................................................................................6
五. 软件设计 ......................................................................................................7
5.1 控制规律的选择................................................................................7
5.2 MATLAB 仿真 ....................................................................................8
5.2.1 传递函数的确定 .........................................................................8
5.2.2 采用数字 PID 控制的系统框图.................................................8
5.2.3 参数整定 .....................................................................................9
5.3 程序编写..........................................................................................11
5.3.1 PLC 寄存器分配.......................................................................11
5.3.2 程序流程图 ...............................................................................11
5.3.3 源程序 .......................................................................................12
六. 结束语 ........................................................................................................14
七. 参考文献 ....................................................................................................15
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