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1、南京林业大学毕业论文摘要红外技术发展到现在，已经为大家所熟知，这种技术已经在现代科技、国防和工农业等领域获得了广泛的应用。在测量方面，传统的测速方法比较复杂，那么随着传感器的发展和单片机的广泛应用，新型的测速方法正越来越多的被使用在物理实验和工业生产中，光电转速测量仪是利用红外技术的一个典型的应用。本文采用红外光电传感器发射和接收脉冲信号，利用单片机对接收到的信号进行处理并且控制数码管的显示输出，来检测电机的速度，同时随着电机的速度的改变，能够随时检测电机的速度。在本次设计中，我做了下列的工作：一是如何选
2、择使用红外光电传感器；二是如何设计传感器的检测电路，三是如何设计单片机的接口电路以及数码管的显示电路；四是如何编写实现显示电机速度的程序。关键词：AT89S51单片机，红外光电传感器，定时计数器，电机转速1南京林业大学毕业论文ABSTRACTInfraredtechnologydevelopmentuptonow,aswehaveknownthatthistechnologyhasinmodernscienceandtechnology,nationaldefense,andindustrialandag
3、riculturalareassuchasaccesstoawiderangeofapplications.Inmeasurements,thetraditionalmethodismorecomplicatedgun,thenwiththedevelopmentofsensorandtheextensiveapplicationofSCM,thenewgunmethodsareincreasinglybeingusedinphysicsexperimentsandindustrialproduction
4、,photoelectricSpeedMeasurementFortheuseofinfraredtechnologyinatypicalapplication.Inthispaper,infraredphotoelectricsensortransmitandreceivesignalspulse,usingSCMButtreceivedthesignalprocessingandcontrolofthedigitaldisplay,todetectthespeedofmotor,thespeedatt
5、hesametimeasthemotorofchange,canbedetectedatanytimeMotorspeed.Inthisdesign,Idothefollowingwork:First,howtochoosetheuseofinfraredphotoelectricsensorandtheotherishowtodesignsensordetectioncircuit,andthethirdishowtodesignamicrocontrollerinterfacecircuitandth
6、edisplayofdigitalcircuitsFourthishowtoachievethepreparationoftheprocedureshowedthatmotorspeed.KeyWord:MonolithicIntegratedCircuitAT89S51,Infraredphotoelectricsensors,TimingCounters,Motorspeed2南京林业大学毕业设计论文目录摘要···············································
7、·························································································1ABSTRACT···································································································································21前言······················
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