基于CAN总线的智能仪表远程传输系统的研究与实现

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1、江苏大学硕士学位论文基于CAN总线的智能仪表远程传输系统的研究与实现姓名：朱成云申请学位级别：硕士专业：电力电子与电力传动指导教师：刘星桥20090602江苏大学硕士学位论文ABSTRACTWiththeeconomicdevelopmentandcontinuousimprovementofautomationintheproductionmanagement．Thetraditionalinstruments，fieldbusandEthernettechnologyarecombinedtOdevelopthefieldintelligentdetectioninst

2、rumentwithbusinterfaceandremotemonitoringsystemhasbecomethehotspotintheindustry．Theresearchstatusofthesubjectathomeandabroadwasanalyzedindetail，andakindofremotetransmissionsystemofintelligentinstrumentbasedonCANBuswasproposedinthispaper．Firstly,thekeyissueswheretheproblemlieswereanalyzed，a

3、ndtheoveralldesignofthesystemwasexplainedinthispapeLThenthehardwareandsoftwaredesignofthesystemwerediscussedindetail．TheMCUC8051F040wasusedasthecoremicroprocessoroftheintelligentinstrumentinthedesign．Besides，signalprocessingcircuit，CANBusinterfacecircuitandman—machineinteractiveinterface，e

4、tc．weredesigned，andthewaterenvironmentroutineparameterssuchastemperature，pH，turbidity,conductivity,etc．weredetected．TheinstrumentwastakenasthenodeofCANbusandthedetecteddataweretransmittedtOthebusbytheCANbusinterface．TheARM7processorLPC2292chipofthePhilipswasusedastheprocessoroftheembeddedC

5、AN-Ethernetgateway,andthereal—timeoperatingsystemof／tC／OS—11wastransplantedonthehardwareplatform．TheTCP／IPprotocolstackwasrealizedwhichwascutandsuitablefortheapplicationofembeddedsystems，andtheWebServerwasbuiltbasedonTCP／IPprotocol，thegatewaywastakenasthehostnodeofCANbusandthereceiveddataw

6、erestoredinit．ThentheembeddedWebSeverofCAN-EthernetwasaccessedthroughIEbrowserbythestaffinthemonitoringcenter,andthereal-timedatadetectedbytheintelligentinstrumentcanbedisplayedonWebpagesdynamically．Thesystemperformssteadilyandefficientlyinpracticaltest．Byanalyzingtheoperationresultsandper

7、formance，theindustrialEthernet，CANBusandtheintelligentinstrumentscanbeunitedtotransmittheinformationoffieldintelligentequipmentstOthecontrolroomfaraway．Themonitoringofsomespecialordangerousunattendedplacesisrealized，reducingtheproductionaccidentratetothelowest