智能阀门控制器的嵌入式设计与开发

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1、上海交通大学硕士学位论文智能阀门控制器的嵌入式设计与开发姓名：梁海峰申请学位级别：硕士专业：控制理论与控制工程指导教师：谢剑英20070101智能阀门控制器的嵌入式设计与开发摘要块，供用户选择。此外，为了增强系统的抗干扰能力，本文在软硬件设计时采取了一系列的抗干扰措施，提高了系统运行时的可靠性。现场运行试验表明，本课题研发的新型电动执行机构操作相当简便，菜单信息极其丰富，包含阀门的运行信息、故障报警、误操作提示信息等，控制单元具有故障诊断和自修复故障功能，运行相当平稳可靠。关键词：人机交互单元，轮辐式压力传感器，绝对式光电旋转编码器，Mod

2、bus和Profibus总线智能阀门控制器的嵌入式设计与开发ABSTRACTEMBEDDEDDESIGNANDDEVELOPMENTOFINTELLIGENTELECTRICVALVEACTUATORABSTRACTElectricvalveactuatorhasreplacedthemechanialvalveactuatorandbecomesindispensableexecutionunitoftheindustrialcontrolsystem.Itisaclosed-loopcontrolsystem,whichisdrived

3、bymotorandpositionthevalvebythecontrolsignal.Firstly,thispaperanalyzesthedevelopmentcircumstanceandtendacyofoverseasanddomesticelectricvalveactuator.Inaddtiontothefunctionalrequirementofintelligentelectricvalveactuator,wedesignanddevelopeachunitoftheactuatorrespectively.Th

4、eprojectdevelopsthemechanicalstructurebymechanical&electricalintegrationanddevisessafe,reliable,convenient,advancedelectricmotorcontrolsystem.Motorcontrolsystemiskernelunitofelectricvalveactuator.Thispaperintroducestheembeddeddevelopmenttechniquetodesignthesofewareofthepro

5、jectandutilizeimprovedwaterfallmodeltoexplorefriendlyhuman-machineinteractiveunitbasedonMicrocontrollerATMega64Landreliablemotorcontrolunitbasedonmini-PLC.Thesetwounitsexchangemessagebyserialcommunication.Thehuman-machineunitisconvenientandefficiently智能阀门控制器的嵌入式设计与开发ABSTRA

6、CTcommunicatedbetweenhumanandmachine,itisnotonlybecausethattheunitusemagneticswitchandinfraredremotecontroller,butalsouse128×64LiquidCrystalDisplayer.Signaldetectionpartisanimportantpartinmotorcontrolsystem.Thisprojectusesspoke-typeforcetransducerwithhighprecisiontomeasure

7、thetorqueofactuator,utilizetheabsoluteopticalrotaryencodertomeasuerthepositionofvalve.Fieldbusisrepresentativeofintelligenceofactuator.TheprojectdevisedModbusandProfibusmoduleaccordingtothestandardModbusandProfibuscommunicationprotocol.Besides,thispaperpresentsaseriesofant

8、i-interferenceactioninordertostrengthentheanti-interferencecapacityofthewholesystemandimp