多媒体教学设备网络监控系统的设计与实现

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1、西南交通大学硕士学位论文多媒体教学设备网络监控系统的设计与实现姓名：李庆申请学位级别：硕士专业：电气系统控制与信息技术指导教师：胡鹏飞20090501西南交通大学硕士研究生学位论文第lI页AbstractNowadays，multimediaclassroomhasbecomemajorteachingspaceofuniversitiesandvarioustypesofvocationaltraininginstitutions．Multimediaclassroomplaysaveryimportantroleinteac

2、hing．Themanagementofmultimediateachingequipmentisdirectlyrelatedtoteachingqualityoncampus．Forthesakeofsolvingproblemsintheuseandmanagementofmultimediateachingequipment，amonitoringandcontrolsystemofmultimediateachingequipmentbasedoncampusnetworkisingreatdemand．Thecore

3、ofthissystemiSC8051F020MCU。Itsperipheralcircuitsaredividedintofourmodules：equipmentcontrolmodule，RFreadermodule，videocapturemoduleandnetworkcommunicationmodule．TheequipmentcontrolmoduleiSabletoswitchtheoutputchannelfromseveralaudioandvideosources．Meanwhile，theswitcho

4、fthemainpower,theprojectorandtheprojectorscreencanbeoperatedbythecontrolpanelofthecentralcontrolunit．aswellastheoperationsofothermultimediateachingequipment．TheRFreadermoduleismadeupofMFRC522chipanditsperipheralcircuits．ItcanachievethefunctionofreadingMifare1$50Cardt

5、oidentifytheuser．Thevideocapturemodulecancapturethereal—timeimagesoftheequipmentwhenitisworkingandcompressthem．Theseimagesarethebasisoftheremotecontrol。ThenetworkcommunicationmoduleenablesthecommunicationbetweenthecentralcontrolsystemandremotemonitoringcomputerbyCP22

6、00EthernetControllorandembeddedTCP／IPprotocolstack．Comparingwiththepresentdesignandproduct，thefunctionofthissystemismoreconsummatebyaddingthecapabilitiesofRFreaderandvideomonitoring．Furthermore，thissystemhasmoderatecostandpracticalfunction．Itisabletosolvepresentprobl

7、emsintheuseandmanagementofmultimediateachingequipment，whichpossessesagoodmarketprospects．西南交通大学硕士研究生学位论文第1II页Keywordembeddedsystem；TCP／IP；multimediacentralizedcontrol；RFID西南交通大学．学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权西南交通大

8、学可以将本论文的全部或部分内容编入有关数据库进行检索，可以采用影印、缩印或扫描等复印手段保存和汇编本学位论文。本学位论文属于1．保密口，在年解密后适用本授权书；2．不保密彤使用本授权书。(请在以上方框内打“√")⋯一畿巍日期：一n舯挪签一∽西南交通大学学位论文创