预览加载中，请您耐心等待几秒...

CAN总线通讯在某发动机试车台PLC控制系统中的应用.docx

预览
1/3
2/3
3/3

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

CAN总线通讯在某发动机试车台PLC控制系统中的应用 Title:ApplicationofCANBusCommunicationinPLCControlSystemforEngineTestBench Introduction: Withtheadvancementsintechnology,theuseofProgrammableLogicControllers(PLCs)hasbecomeincreasinglyprevalentinvariousindustrialapplications.OnesuchapplicationisthecontrolsystemusedinanEngineTestBench.TheEngineTestBenchisasophisticatedsystemthatallowsfortestingandanalysisofenginesunderdifferentoperatingconditions.Toefficientlyandeffectivelycontrolthiscomplexsystem,theapplicationofCANbuscommunicationhasgainedsignificantimportance.ThispaperaimstoexploretheapplicationofCANbuscommunicationinPLCcontrolsystemsforenginetestbenches. 1.OverviewofCANBusCommunication: ControllerAreaNetwork(CAN)buscommunicationisawidelyusedprotocolintheautomotiveandindustrialsectors.Itisamessage-basedprotocolthatenablesreal-timecommunicationbetweenvariouselectronicdevicesconnectedwithinanetwork.TheCANbusoffershighreliability,faulttolerance,andexcellentperformance,makingitanidealchoiceforcomplexcontrolsystemsliketheenginetestbench. 2.StructureandBenefitsofCANBusCommunicationinEngineTestBenchControlSystem: Theenginetestbenchinvolvesnumerouscomponents,sensors,actuators,andsubsystemsthatrequireseamlesscommunicationandcoordinationtoachieveaccurateandreal-timecontrol.TheCANbusprovidesastructuredcommunicationsystemwiththefollowingkeybenefits: a)Scalability:Theenginetestbenchmayhavemultiplesubsystemssuchasfuelinjection,exhaustsystem,anddataacquisitionunits.TheCANbusallowstheadditionofnewsubsystemswithoutsignificantchangesintheexistingcontrolsystem,makingithighlyscalable. b)Reliability:TheCANbusensuresreliabletransmissionofdatabyimplementingarobusterrorhandlingmechanism.Itusesbit-wisearbitrationandacknowledgmenttechniquestoidentifyandresolveconflictingmessages,ensuringdataintegrityinthecontrolsystem. c)Real-timeCommunication:Theenginetestbenchrequiresreal-timecommunicationbetweenthePLCandvarioussubsystemstomonitorandcontrolengineparametersaccurately.TheCANbussupportsdeterministiccommunicationwi