毕业设计（论文）-plc全自动洗衣机控制系统

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1、目录摘要·································································2第一章前言·····························································31.1、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）············································42.1、PLC的基

2、本概念······················································42.2、PLC的定义··························································42.3、PLC的特点··························································42.4、PLC的基本结构······················································42.5

3、、PLC的工作原理·····················································5第三章传感器分析及应用·················································63.1、传感器的定义·························································63.2、传感器原理结构·······················································63.3、传感器

4、的分类·························································6第四章三相异步电动机的工作原理及结构4.124、概述·································································74.2、三相异步电动机的结构·················································74.3、三相异步电动机的工作原理·································

5、············8第五章变频器的基本原理与种类·············································105.1、变频器内部电路的基本功能·············································105.2、逆变电路基本工作原理·················································115.3、变频器的控制方式····················································

6、·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··················································126.2洗涤与脱水系统························································136.3进水和排水系统·······················································136.4传动系统、箱体与支承系统··································

7、···········146.5梯形图································································15第七章系统检测与调试7.1、检测与调试···························································207.2、24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）

8、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。采用三菱公司的FX2N系列的PLC，设计了一个简单的全自动洗衣机控制系统。全自动洗衣机通过了可编程序控制器来实现洗涤过程，省时省力。24第一章前言可编程