两个工厂之间的装配线系统的数据备份的设计和实现

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工程硕士学位论文制造企业的工厂之间的装配线系统的数据备份的设计和实现华南理工大学硕士学位论文IIDesignandImplementationofDataBackupofAssemblyLineControlSystemADissertationSubmittedfortheDegreeofMaster制造企业的工厂之间的装配线系统的数据备份的设计和实现摘要III摘要装配线管理系统是制造企业ERP系统中的重要管理系统,这个系统管理着生产汽车的各个车间的生产活动,包括了生产实绩,生产进度,同期物流等。开发本系统的目的是,解决两个工厂的装配线系统这样的课题:在正常情况下,两个工厂的装配线系统各自独立运行,在异常情况下,两个工厂的装配线系统可以相互备份。本文在对比分析了汽车同行业的两个工厂的装配线系统架构,备份方案,结合ABC的实际情况,给出了两个工厂装配线系统的方案,其中主要的困难是:如何进行两个工厂之间的数据近似实时的相互传输,如何使数据传输和装配线系统耦合性最小,如何监控装配线系统的运行,如何使两个工厂的装配线系统相互备份,为了解决这些问题,本文分析了本项目的数据传输的需求,系统备份的需求,提出了两个数据传输的方案,一个是FTP的数据传输方案,另一个是DMM的数据传输方案,通过实验,结合实际的运用,在给定的条件下,对比分析了FTP和DDM数据传输对主机资源的占用和网络带宽的影响,总结了这两种数据传输技术的优缺点,选定了两个工厂之间的DDM的数据传输的方案,在实践中发现传输方案不能完全满足用户业务需要,进一步对传输方案做了调整和优化,最后并给出了灾难恢复的方案。优化后的数据传输方案面对不同的用户需求,提供灵活的数据传输服务,保障了第二工厂生产的顺利投产和稳定运行。本系统已开发完成并交付使用,系统目前运行稳定,性能良好,为ABC的多个生产工厂的生产装配线系统的稳定运行,提供了有力的保障。关键词ERP,系统备份,恢复,数据和对象同步系统(OMS/ODS),文件传输协议(FTP),分布式数据管理(DDM)华南理工大学硕士学位论文IV华南理工大学硕士学位论文VAbstractAssemblyLineControl(ALC)systemisanimportantmanagementsysteminERPsystemoftheautomobilemanufacturingcompany,itismanagingproductionactivityofeachplantthatproducttheautomobile,includingproductionresult,scheduleandsynchronousdeliveryetc.Theobjectiveofdevelopedthissystemistosolvetheproblemabouttheassemblelinesystemsinthetwofactories.Thetwoassemblelinesystemsofthetwofactoriesrunindependentlyundernormalcondition.Onthecontrary,whenintrouble,onewouldbethebackupoftheother.Thispaperhadmadeacomparativeanalysisofthesysteminfrastructure,backupschemeaspectsoftheautomationcompaniesintheindustrywhichhavetwofactoriesandtwoassemblelinesystems,andbasedontherealitiesofGHAC,wehaveproposedaassemblelinesystemschemeoftwofactories.Themaindifficultiesarehowtomakedatatransmissionbetweenthetwofactoriesnearlyreal-time,howtomakethecouplingbetweenthedatatransmissionandassemblelinesystembeminimum,howtomonitortherunningoftheassemblelinesystem,andhowtomakethetwoassemblelinesystemsofthetwofactoriesbackupforeachother.Inordertosolvetheseproblems,thispaperhasmadeananalysisaboutdatatransmissionandsystembackuprequirementofourscheme,andhasproposedtwoschemesaboutdatatransmission,oneisFTPscheme,andtheotherisDMMscheme,throughexperiment,andcombiningactualapplication,underthegivenconditionwehavecontrastanalyzedtheinfluenceofFTPandDDMtohostresourceoccupiedandnetworkband,andsummarizedtheadvantagesanddisadvantagesofthesetwodatatransmissiontechnologies.WehadchosenDDMasdatatransmissionschemebetweenthetwofactories,however,inpracticewefoundthatthisschemecan’tmeetthebusinessrequirementoftheusers,sowefurthermadeanadjustmentandanoptimizationtothedatatransmissionscheme,andalsoproposedadisasterrecoveryscheme.Finally,theoptimizeddatatransmissionschemecanprovideflexiblydatatransmissionservicetodifferentuserrequirementsandtheseschemeshasensuredsuccessfullygotoproductionofthesecondfactoryanditsstablerunning.ThedevelopmentoftheALCsystemhadaccomplishedandhadbegantorun,nowitrunsstablyandperformanceswell,andhasprovidedapowerfulguaranteeforstablerunningoftheproductionassemblelinesystemofGHAC’smulti-plants.Keywords:ERP,systembackup,recovery,OMS/ODS,FTP,DDM华南理工大学硕士学位论文VI目录摘要..................................................................................................................IIIAbstract.................................................................................................................V目录......................................................................................................................VI第1章绪论...........................................................................................................11.1课题背景............................................................................................................11.2汽车行业的信息化............................................................................................11.3多个工厂的制造企业ERP系统.......................................................................21.4课题的目标........................................................................................................4第2章相关理论和应用的发展...........................................................................62.1ERP理论和应用................................................................................................62.2ERP系统的灾难备份和恢复技术.....................................................................92.3AS/400系统和开发技术..................................................................................122.4TCP/IP和FTP技术.........................................................................................15第3章两个工厂数据传输的业务需求分析.....................................................173.1ABCERP系统...................................................................................................173.2两个工厂数据传输的业务需求分析.............................................................213.2.1第一二工厂的系统相对独立的运行.......................................................223.2.2第一二工厂的系统相互备份...................................................................23第4章两个工厂数据传输方案和试验分析.....................................................244.1FTP数据传输的方案..........................................................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