毕业设计（论文）-基于单片机的水温控制系统设计.doc

摘要
本例是一个典型的检测、控制型应用系统,它要求系统完成从水温检测、信号处理、输入、运算到输出、控制电炉加热以实现水温控制的全过程。因此,应以单片微型计算机为核心组成一个专用计算机应用系统,以满足检测、控制应用类型的功能要求。本设计采用80C51单片机通过对前向通道的分析,控制电路的加热过程,该过程用到AD590温度传感器,通过8279可编程的键盘显示接口芯片来设定温度范围,由LED显示控制温度,到达所设定的温度后由蜂鸣器和报警灯发出警报信号。本设计采用的是以单片机为核心的直接数字控制系统(DDC)。
关键字:水温;控制;单片机;8051;AD590 ;8279;ADC0809
Summary
A whole process for is a typical examination, control type applying system, it requesting pleting from the water temperature examining, signal handles, input, carries calculating exportation, control electric stove heating to realizing water temperature , at the request of regard single a puter as the core constitute an appropriation calculator application system, to satisfy examination, control application the function of the design adopts an analysis for the single a machine passes to ex-ly facing the passage, the heating process of the control electric circuit, that process uses to spreads to feel to the temperature of AD590 machine, pass 8279 programmable keyboard manifestations connect a temperature for setting up temperature scope, from LED manifestation control temperature, arriving setting up empress from the machine of 蜂鸣 with report to the police the light send out the alert design adoption of regard single a machine as the direct arithmetic figure control system of the core.( DDC)
Key word:Water temperature;Control;Single a machine;8051;AD590;8279;ADC0809
目录
摘要………………………………………………………… 3
1、绪论………………………………………………….. ... 3
2、设计任务与要求…………………………………… 3
、基本要求…………………………………………………… 3
、主要性能指标……………………………………………… 3
、创新部分…………………………………………………… 4
3、方案比较……………………………….……………. 4
、比例控制(P控制)…………………………………………… 4
、比例积分控制(PI控制)…………………………………… 4
、比例积分加微分控制(PID)控制………………………… 4
4、系统设计……………………….……..………….…. 5
、单片机系统………………………………………………… 5
、前向通道…………………………………………………… 5
、后向通道…………………………………………………… 5
、人机对话通道……………………………………………… 5
、远程通讯…………………………………………………… 6
5、硬件开发…………………………………………….. 6
、系统配置与接口扩展………………………………