课程设计--电风扇自动程序控制器设计学生姓名:陈小芳学院:信息工程学院班级:12应用电子技术学号:2012011832指导教师:邓鸿甫日期:2014年12月摘要本文从温控模型和特点出发,介绍了一种适合模糊温度控制的方法,并给出了单片机模糊温度控制的实例,并对温度进行良好的精度控制.本系统具有设置水温、实时显示温度,控制温度和报警保温等功能,它具有结构简单、实现容易,成本低,具有实用价值等特点。AbstractFromtemperaturecontrolmodelandcharacter,thetextintroducesamethodwhichitfitsforfuzzycontroloftemperature,andgivesanexampleofmicrocomputerfuzzycontroloftemperature.Thesystempossessesofsettingwatertemperature,displayingandalarmingit.Besides,ithasfeaturesofsimplestructure,lowcost,easytoimplement,andsoon.Keywords:microcomputer,digitaltemperaturetransducer,fuzzytemperaturecontrol目录摘要...................................................................................................................11总体设计思想..................................................................................................22硬件设计..........................................................................................................32.1硬件设计基本概要....................................................................................32.28255A的设计............................................................................................42.38253的设计..............................................................................................42.4步进电机的设计........................................................................................52.5硬件系统原理图........................................................................................53软件设计..........................................................................................................63.1风扇运行控制模块....................................................................................73.2按键判断控制模块.....................................................................................73.3风速控制模块............................................................................................93.4类型控制模块............................................................................................103.5定时控制模块............................................................................................103.6停止控制模块............................................................................................114系统调试及仿真..............................................................................................125心得与体会......................................................................................................14参考文献..............................................................................................................15附录源程序及其说明........................................................................................161设计任务及要求1.1基本要求具备测量与控制两种工作方式;测量误差<0.5℃度;温控范围20℃~100℃度;1.2扩展部分测量误差<0.1℃度;控制误差<0.5℃度;2.方案的比较与选择2.1方案一采用以单片机PIC16F877为核心,数字温度传感器AD7416测量温度,基于模糊温度控制方式实现温度控制。单片机资源丰富,使用方便灵活,易于进行功能扩展。系统的多个部件如,定时器,加热开关,按键设定温度,显示温度等都可利用单片机来实现,可靠性好,抗干扰能力强。2.2方案二数字温度传感器测量温度,用数字系统来实现温度...