论毕业设计论文模版

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1、论毕业设计论文模版论毕业设计论文模版导读：泸州职业技术学院毕业论文基于PLC控制交通灯设计学生姓名所在系班级专业指导教师2014年10月5日毛建奎机械工程系2012级机电三班机电一体化李庭贵讲师指导教师评阅书评阅教师评阅书教研室（或答辩小组）及教学系意见泸州职业技术学院毕业论文摘要摘要随时代的发展，城市交通问题越来越引起人们的关注。人、车、路三者关系的协调，已成为交通管理部门需要解决的重要问题之一。城市交通控制系统是用于城市交通数据监测，交通信号灯的控制与交通疏导的计算机综合管理系统，它是现代城市交通监控指挥中最重要的组成部分。随着城市机动车量的不断增加，许多大城市如北京、

2、上海、南京等出现了交通超负荷运行的情况，因此，自80年代后期这些城市纷纷修建城市高速公路，在高速公路建设完成的初期，它们也曾有效的改变交通状况。然而，随着交通量的快速增长和缺乏对高速道路的系统研究和控制，高速道路没有充分发挥出预期的作用。而城市高速道路在构造上的特点，也解决了城市高速道路的交通状况，必然受高速道路和普通道路耦合出交通状况的制约。所以，如何采用合适的控制方法，最大限度的利用好耗费巨资城市高速道路，缓解主干道与匝道，城市与周边地区的交通拥堵状况，越来越成为交通运输管理和城市规划部门亟待解决的主要问题。关键词：PLC可编程控制器、交通信号灯、可靠性高I泸州职业技术

3、学院毕业论文目录目录摘要1····································································································································11.1课题背景··········································································································11.2课题意义·······················

4、···················································································11.3本章小节··········································································································22系统功能及操作····················································································

5、····················32.1系统功能的确定······························································································32.1.1基本功能································································································32.1.2扩展功能·················································

6、···············································32.2系统操作说明··································································································42.3本章小节··········································································································43系统硬件设计—实验板介绍·······

7、·············································································53.1芯片的选择······································································································53.2实验板电路原理图····························································