一种基于Internet的工业控制远程诊断系统

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1、上海交通大学硕士学位论文一种基于Internet的工业控制远程诊断系统姓名：葛言清申请学位级别：硕士专业：控制理论与控制工程指导教师：田作华2001.1.1上海交通大学硕士学位论文不同的编程工具，提高了开发效率，并以数据库作为远程诊断系统的核心模块，将它们组合成一个完整的诊断系统。4．利用Petri网来建立故障模型，利用链表技术来维护知识规则，并将模糊逻辑的思想引入诊断算法，与传统的故障诊断算法相比，具有更强的智能推理能力，而且便于编程实现，最后给出了仿真结果并对结果进行了评价。／f本文所提出的系统设计思想在实际系统的试运行中获得了成、j7功，并

2、取得了良好的效果，达到了预期的要求。／L／一一0一一关键字：故障诊断，实时监控，计算机网络，模糊Petri网，模板AnIndustrialControlRemoteDiagnosticSystemBasedonInternetAbstractThispaperisbasedOUthe211Project一‘ConfectionofFeedstuffMonitorSystem，．Withthewidelyusingofcomputersinthecontrolfield，Theperformanceofthesystemthatthecustome

3、rsexpectedbecomesmoreandmoreimportantalthoughthesystembecomesmorecomplex·Tooneindustrialcontrolsystemofcomputers，howtoworkmuchsteadily,howtopreventthefetalfaultsandeliminatethemquicklyafterthefaultsbringisthemostimportantkeytoreducethecostofmaintainingandimprovetheworkefficie

4、ncy．Itisanimportantfieldwhichpeopleresearchfromthestart．NowthetechnologistsemphasizeOilsomefieldssuchasthediagnosticofelevator,thediagnosticofboilerandSOon．ThispaperhasdiscussedakindofindustrialcontrolremotemonitoranddiagnosticsystembasedontheIntemet．Thecontentsofthispaperare

5、mainlyasfollowing．I．Thecontrolreal—timedynamicpictureresultscanbedisplayedinthebrowseroftheremotecomputer．WedesignthemusingGWebServerTb01sofLabViews．Thiscanfinishthereal-timesynchronousmonitorandon-linediagnosticsuccessfully．上海交通太学硕士学位论文2．Theadministrationofparametersofthesys

6、temcanberealizedbyusingthedynamicDataWindow．AndtheparameterscallbecalledbyDCOM(DistributedCOM)．Allmaketheparametersnloresecureandtheremotecallingmoreconvenient．3．Themodularizedstructureisadoptedinthesoftwaredesign．Inordertoimprovetheefficiencyofdeveloping，weusepropertoolstode

7、velopthedifferentmodules．Thesystemcontrolalgorithmisrepresentedasthecombinationofthemodules．Andthemoduleofdataadministrationisthecenterofthesystem．4．ThefaultmodeltorealizethefaultdiagnosticisPetriNet．AndweintroducetheFuzzyLogictoit．Inordertomaketherule—basedsystemeasilyprogra

8、m，weHSethelinkedlisttoexpresstherules．Atlastthepapergivestheresultof