目 录
1 设计目的.........................................................1
2 控制要求.........................................................1
3 系统结构设计.....................................................1
3.1 控制方案 .......................................................1
3.2 仪表选择图 .....................................................2
3.2.1 流量传感器...................................................2
3.2.2 过程模块.....................................................2
3.2.3 电动调节阀...................................................3
3.2.4 其他设备.....................................................4
3.3 系统流程图 .....................................................5
3.4 控制规律 .......................................................5
4 系统组态设计.....................................................5
4.1 组态王简介 .....................................................5
4.2 组态软件设计 ...................................................6
4.2.1 设备设置.....................................................6
4.2.2 组态画面.....................................................6
4.2.3 变量定义.....................................................8
4.2.4 PID 控制算法 .................................................9
4.2.5 趋势曲线....................................................10
总 结..............................................................12
参 考 文 献........................................................13
附录 脚本程序......................................................14
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