毕业设计（论文）传感器相关论文1.doc

白城职业技术学院毕业设计（论文） 光电式转速仪设计 学生姓名： 宋树洋 专业班级： 机电一体化技术 指导教师： 侯雅波 职 称： 起止日期： 白 城 职 业 技 术 学 院 摘 要 在工程实践中,经常会遇到各种需要测量转速的场合，例如在发动机、电动机、卷扬机、机床主轴等旋转设备的试验、运转和控制中，常需要分时或连续测量和显示其转速及瞬时转速。要测速，首先要解决是采样问题。在使用模技术制作测速表时，常用测速发电机的方法，即将测速发电机的转轴与待测轴相连，测速发电机的电压高低反映了转速的高低。为了能精确地测量转速外,还要保证测量的实时性,要求能测得瞬时转速方法。因此转速的测试具有重要的意义。 关键词：电动机 单片机 传感器 目录 摘要·······························································I 1 概述·····························································1 本课题设计的目的和意义··········································1 数字式转速测量系统的发展背景····································1 2 系统组成及工作原理············································2 2.1 转速测量原理····················································2 2.2 转速测量系统组成框图············································2 3 系统方案提出和论证（传感器的选择）··························4 3.1 方案一 霍尔传感器测量方案······································4 3.2 方案二 光电传感器···············································5 4 单片机··························································6 4.1单片机的概念····················································6 4.1单片机AT98C51简介··············································6 5 系统硬件电路设计··············································12 5.1 时钟电路······················································12 5.2复位电路·······················································18 5.3显示电路·······················································21 5.4最小系统的仿真·················································22 6 系统软件设计··················································16 6.1 单片机转速程序设计思路及过程···································16 6.2子程序设计·····················································18 7 系统调试·······················································21 7.1硬件调试·······················································21 7.2 软件调试·······················································23 7.3 综合调试·······················································24 7.4故障分析与解决方案·············································25 总结······