毕业论文-自动水位控制系统设计

目录绪论········································································1第1章水泵·······························································21.1水泵的分类及泵的性能参数················································21.2离心泵的选用····························································5第2章三相异步电动机····················································72.1三相异步电动机的基本结构················································72.2三相异步电动机的变频调速的控制··········································72.3三相异步电动机的选用····················································7第3章变频器·····························································93.1变频器应用概述·························································93.2变频器的额定值·························································93.3变频器的频率指标·······················································103.4变频器的构成···························································113.5变频器的选择···························································15第4章传感器····························································174.1传感器的概念及组成·····················································17第5章可编程序控制器···················································185.1可编程序控制系统的组成及作用···········································185.2PLC的工作原理·························································195.3PLC的功能·····························································215.4FX系列可编程控制器的基本构成··········································21第6章程序设计··························································256.1程序设计及相关图表·····················································25附录表····································································30结论······································································31致谢················...

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