martisolatedCANbuscommunicationboards.acAN(ControlAreaNetwork)communicationsprotocolsandPCISAbusconnectedtothestandardnon—smartcardC^N.anon-smartcardcANCANTongxinluofullymeetthehighdemandsofreal—time.thecardcanbeadoptedforindustrialsceneCANcommunicationsinterfacewiththeinstrumentationandcontrolequipmentforsurveillance.4.2Systemsoftware thebottompar Systemsoftwareconsistsoffourparts: tofdrive,frontinterface,backgroundBUGmanagementmechanism,partofthedat曲ase.AccordingtothefunctionofcommunicationisdividedintopartsandBUGprocessing.IntelligentsimulationsystemandthemeasuredcommunicationbetweenmodulesisJcLD—CAN20cardto S 铁道科学研究院硕士学位论文connecttothesystemtotalCANrayrealized.ThemaininterfacesystemusingC++BUILD职production.throughthemainprogramcalledCANcarddriverforthecommunicationfunction.Thecontentofcommunieationstestthemselvesbydefinition,thesystemcanautomaticallycompletetheCRC,dataframesautomaticallyaddserialnumber.Testersalsobetestingimportedtargetthenthesystemautomaticallygeneratetestcycleframeandsend,receivebackthevalueforerror.BackgroundBUGrecordsmanagementfunctionalityispartofarelativelyindependentoperationandtheservermodule.ThemoduleistousePHPlanguageandMYSQLDatabasedesigniscompleted.LANuserscanBrowserlandingBUGmanagementsystem.withouthavingtoinstallanyclient,tofacilitateuse.5.ConclusionsandOutlook Themonitoringsystemisfullyelectroniccomputer-b asedinterlockingimplementationofamodularsystemofsubsystems.istoprotectthesafety,Monitoringrailwayequipmentimportantequipment.Thecomputermonitoringsystemrelyingontheimplementationofelectronicmodules,thelatestapplicationofmoderntechnology,sensors。
industrialcontrolbus,softwareengineering