　毕业设计(论文)-PLC全自动洗衣机控制系统.docVIP

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　毕业设计(论文)-PLC全自动洗衣机控制系统.doc

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　毕业设计(论文)-PLC全自动洗衣机控制系统

PAGE PAGE 23 目录摘要 ·································································2 第一章前言 ·····························································3 1.1、PLC控制全自动洗衣机的研究意义······································3 第二章可编程程序控制器（PLC）············································4 2.1、PLC的基本概念······················································4 2.2、PLC的定义··························································4 2.3、PLC的特点··························································4 2.4、PLC的基本结构······················································4 2.5、 PLC的工作原理·····················································5 第三章传感器分析及应用·················································6 3.1、传感器的定义·························································6 3.2、传感器原理结构·······················································6 3.3、传感器的分类·························································6 第四章三相异步电动机的工作原理及结构 4.1、概述·································································7 4.2、三相异步电动机的结构·················································7 4.3、三相异步电动机的工作原理·············································8 第五章变频器的基本原理与种类·············································10 5.1、变频器内部电路的基本功能·············································10 5.2、逆变电路基本工作原理·················································11 5.3、变频器的控制方式·····················································11 第六章全自动洗衣机PLC控制 6.1 自动洗衣机构造及原理··················································12 6.2 洗涤与脱水系统························································13 6.3 进水和排水系统·······················································13 6.4 传动系统、箱体与支承系统·············································14 6.5 梯形图································································15 第七章系统检测与调试 7.1、检测与调试···························································20 7.2、本章小结·····························································21 致谢参考文献摘要该毕业设计介绍了可编程序控制器（PLC）和PLC控制系统的基本知识，包括PLC的定义、特点、分类、技术指标、基本结构、工作原理、硬件知识及PLC控制系统等相关知识。采用三菱公司