motorspeedsurveysystem.rar_论文_单片机毕业设计_其他嵌入式/单片机内容

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/622b95c315da9b288b5fe6b1/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b95c315da9b288b5fe6b1/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0"> 电机课程设计</div><div class="t m0 x2 h4 y3 ff2 fs1 fc0 sc1 ls0 ws0">题 目： 电机转速测量系统</div><div class="t m0 x2 h4 y4 ff2 fs1 fc0 sc1 ls0 ws0">院 （系）： 机电工程学院 </div><div class="t m0 x2 h4 y5 ff2 fs1 fc0 sc1 ls0 ws0">专 业： 电气工程及其自动化 </div><div class="t m0 x2 h4 y6 ff2 fs1 fc0 sc1 ls0 ws0">学生姓名： 蒋明波 </div><div class="t m0 x2 h4 y7 ff2 fs1 fc0 sc1 ls0 ws0">学 号： 0500120308 </div><div class="t m0 x2 h4 y8 ff2 fs1 fc0 sc1 ls0 ws0">指导教师： 高鹏 </div><div class="t m0 x3 h4 y9 ff1 fs1 fc0 sc0 ls0 ws0"> 职 称： 副教授 </div><div class="t m0 x4 h4 ya ff3 fs1 fc0 sc0 ls0 ws0">2008 年 7 月 4 日</div></div><div class="t m0 x5 h5 yb ff4 fs2 fc0 sc0 ls0 ws0">1</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b95c315da9b288b5fe6b1/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x3 h6 yc ff2 fs3 fc0 sc1 ls0 ws0">目录：</div><div class="t m0 x3 h4 yd ff3 fs1 fc0 sc0 ls0 ws0">1、摘要------------------------------------------------------------------------------------------------------</div><div class="t m0 x3 h7 ye ff3 fs1 fc0 sc0 ls0 ws0">3</div><div class="t m0 x3 h8 yf ff3 fs5 fc0 sc0 ls0 ws0">2、系统结构----------------------------------------------------------------------------------------------3</div><div class="t m0 x3 h8 y10 ff3 fs5 fc0 sc0 ls0 ws0">3、获取脉冲信号的方法----------------------------------------------------------------------------</div><div class="t m0 x3 h7 y11 ff4 fs1 fc0 sc0 ls0 ws0">4</div><div class="t m0 x3 h9 y12 ff3 fs5 fc0 sc0 ls0 ws0">3、1 霍尔传感器-------------------------------------------------------------4</div><div class="t m0 x3 h9 y3 ff1 fs5 fc0 sc0 ls0 ws0">3、2 光电传感器-------------------------------------------------------------5</div><div class="t m0 x3 ha y4 ff1 fs5 fc0 sc0 ls0 ws0">3．3 光电编码器-------------------------------------------------------------6</div><div class="t m0 x3 h8 y13 ff3 fs5 fc0 sc0 ls0 ws0">4、硬件连接图及原理------------------------------------------------------------------------------6</div><div class="t m0 x3 h8 y14 ff3 fs5 fc0 sc0 ls0 ws0">5、实验程序及分析-----------------------------------------------------------------------------------</div><div class="t m0 x3 h7 y15 ff4 fs1 fc0 sc0 ls0 ws0">8</div><div class="t m0 x3 h4 y8 ff3 fs1 fc0 sc0 ls0 ws0">6 ． 仿 真 -----------------------------------------------------------------</div><div class="t m0 x3 h7 y16 ff3 fs1 fc0 sc0 ls0 ws0">15</div><div class="t m0 x3 h8 y17 ff3 fs5 fc0 sc0 ls0 ws0">7、PROTEL DXP 原理图-------------------------------------------------------------------16</div><div class="t m0 x3 h8 y18 ff3 fs5 fc0 sc0 ls0 ws0">8 、 PCB 图 -------------------------------------------------------------------------------------------------</div><div class="t m0 x3 h7 y19 ff3 fs1 fc0 sc0 ls0 ws0">16</div><div class="t m0 x3 h8 y1a ff3 fs5 fc0 sc0 ls0 ws0">9、硬件调试结果与分析-------------------------------------------------------------------------</div><div class="t m0 x3 h7 y1b ff3 fs1 fc0 sc0 ls0 ws0">17</div></div><div class="t m0 x5 h5 yb ff4 fs2 fc0 sc0 ls0 ws0">2</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>

<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b95c315da9b288b5fe6b1/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x3 h8 y1c ff3 fs5 fc0 sc0 ls0 ws0">10 、 谢 词 ---------------------------------------------------------------------------------------------------</div><div class="t m0 x3 h7 y1d ff3 fs1 fc0 sc0 ls0 ws0">17</div><div class="t m0 x3 h8 y1e ff3 fs5 fc0 sc0 ls0 ws0">11 、参考文献 --------------------------------------------------------------------------------------------</div><div class="t m0 x3 h7 y1f ff4 fs1 fc0 sc0 ls0 ws0">18</div><div class="t m0 x3 h4 y12 ff1 fs1 fc0 sc0 ls0 ws0">1.摘要</div><div class="t m0 x6 h8 y20 ff2 fs5 fc0 sc0 ls0 ws0">测速是工农业生产中经常遇到的问题，学会使用单片机技术设计</div><div class="t m0 x3 h8 y21 ff2 fs5 fc0 sc0 ls0 ws0">测速仪表具有很重要的意义。</div><div class="t m0 x3 h8 y22 ff5 fs5 fc0 sc0 ls0 ws0"> 要测速，首先要解决是采样的问题。在使用模拟技术制作测速表</div><div class="t m0 x3 h8 y14 ff2 fs5 fc0 sc0 ls0 ws0">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，</div><div class="t m0 x3 h8 y23 ff2 fs5 fc0 sc0 ls0 ws0">测速发电机的电压高低反映了转速的高低。使用单片机进行测速，</div><div class="t m0 x3 h8 y24 ff2 fs5 fc0 sc0 ls0 ws0">可以使用简单的脉冲计数法。只要转轴每旋转一周，产生一个或固</div><div class="t m0 x3 h8 y25 ff2 fs5 fc0 sc0 ls0 ws0">定的多个脉冲，并将脉冲送入单片机中进行计数，即可获得转速的</div><div class="t m0 x3 h8 y26 ff2 fs5 fc0 sc0 ls0 ws0">信息。</div><div class="t m0 x7 h4 y27 ff1 fs1 fc0 sc0 ls0 ws0">2.系统结构</div><div class="t m0 x8 h8 y28 ff2 fs5 fc0 sc0 ls0 ws0">本文主要针对电机的转速进行测量，然后用数码管把电机的转</div></div><div class="t m0 x5 h5 yb ff4 fs2 fc0 sc0 ls0 ws0">3</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/622b95c315da9b288b5fe6b1/bg4.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x3 h8 y29 ff2 fs5 fc0 sc0 ls0 ws0">速显示出来！</div><div class="t m0 x3 h8 y2a ff2 fs5 fc0 sc0 ls0 ws0">本装置主要有两部分构成。1 光电测速部分。2 测得的脉冲处理处</div><div class="t m0 x3 h8 y1e ff2 fs5 fc0 sc0 ls0 ws0">理和显示部分！</div><div class="t m0 x3 h8 y2b ff2 fs5 fc0 sc0 ls0 ws0">光电测速部分主要由光电传感器构成！脉冲处理部分主要经施密特</div><div class="t m0 x3 h8 y2c ff2 fs5 fc0 sc0 ls0 ws0">触发器对接收到的脉冲进行波形校正，由单片机的 T1 口输入，经</div><div class="t m0 x3 h8 y2d ff5 fs5 fc0 sc0 ls0 ws0">80C51 处理后显示输出电机的转速</div><div class="t m0 x3 h8 y10 ff2 fs5 fc0 sc0 ls0 ws0">下面我们来了解一下光电测速部分！</div><div class="t m0 x3 h8 y2e ff2 fs5 fc0 sc0 ls0 ws0">。</div><div class="t m0 x3 h6 y2f ff1 fs3 fc0 sc0 ls0 ws0">3、脉冲信号的获得</div><div class="t m0 x3 h8 y20 ff5 fs5 fc0 sc0 ls0 ws0"> 可以有多种方式来获得脉冲信号，这些方法有各自的应用场合。</div><div class="t m0 x3 h8 y21 ff2 fs5 fc0 sc0 ls0 ws0">下面逐一进行分析。</div><div class="t m0 x3 h6 y30 ff1 fs3 fc0 sc0 ls0 ws0">3．1 霍尔传感器</div><div class="t m0 x3 h8 y23 ff5 fs5 fc0 sc0 ls0 ws0"> 霍尔传感器是对磁敏感的传感元件，常用于开关信号采集的有</div><div class="t m0 x3 h8 y24 ff5 fs5 fc0 sc0 ls0 ws0">CS3020、CS3040 等，这种传感器是一个 3 端器件，外形与三极</div><div class="t m0 x3 h8 y25 ff2 fs5 fc0 sc0 ls0 ws0">管相似，只要接上电源、地，即可工作，输出通常是集电极开路</div><div class="t m0 x3 h8 y26 ff2 fs5 fc0 sc0 ls0 ws0">（OC）门输出，工作电压范围宽，使用非常方便。如图 1 所示是</div><div class="t m0 x3 h8 y18 ff5 fs5 fc0 sc0 ls0 ws0">CS3020 的外形图，将有字面对准自己，三根引脚从左向右分别是</div><div class="t m0 x3 h8 y31 ff5 fs5 fc0 sc0 ls0 ws0">Vcc，地，输出。</div><div class="t m0 x9 h8 y32 ff2 fs5 fc0 sc0 ls0 ws0">此主题相关图片如下：1.jpg</div></div><div class="t m0 x5 h5 yb ff4 fs2 fc0 sc0 ls0 ws0">4</div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>