虚拟企业中的信息集成技术1

:100021220(2000)0920979203:1999209209:,,WWW.(200092):Internet.:InternetWWWSTEPCORBA.Internet,.:;;Internet;STEP;CORBA:TP391:AInternet.,Internet,,.,1.,2.,,,,.,,Internet,3,4.1,,.,:(1)STEP;(2);(3)Internet;(4)(CORBA).,,Internet.1Hardwick5,6.,CORBA,.,Internet,Internet;STEP,,Web;1ö,STEP,CORBA.2,,STEP,EXPRESS.,EXPRESS,.,Internet,HTMLVRMLXML.STEP.,STEP,.Internet,Java.,CORBA.EXPRESSIDLIDL(Java).2.121920009MINI-MICROSYSTEMVol121No19Sep.2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.STEP,,.2.STEP,,,.:(API).(1).,.(2)APISTEP,.2,,(CORBA).(3),.,STEP(ODBCJDBC),,ö,3.EXPRESS,,EXPRESS.3,,EXPRESS,EXPRESS.STEPSDAI(StandardDataAccessInterface,).2.2Internet.(STEPIGESDXF),,Internet.(Plug_inöAdd_in),,,.,,.,,.HTMLöVRML,.,HTMLöVRMLInternet,,,.,EXPRESSVRMLJavaXML(ExtensibleMarkupLanguage,),.XML(VMML:VirtualManufacturingModelingLanguage).EXPRESS,XML,,,.EXPRESS,Internet.,VMML,,:(1)VMMLSTEP,VMMLEXPRESS,STEP.(2)HTMLöVRML,,.VRML,;;,.(3)XML,.STEP.VMML:A.EXPRESSXML-VMML.,,,-VMML(JavaInternet).B.XML,EXPRESS,VMML(XML).XML(EXPRESS).(4)JavaInternetVMMLJavaInternet,Java.JavaApplet,,,.Applet,,,Applet,.0892000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.3,:4EXPRESSJava(1)CORBA,,(Internet).,,ORB(ObjectRequestBroker,),,.,,,,CADCAMFEM.(2)Java,,.:JavaCORBA,CORBA;Java,,CORBA.,.,CADViewer,CAM.,,STEP.,:,CORBAIDL(Java);EXPRESSIDL,EXPRESSIDL.STEPEXPRESSIDL,CORBA2.2IDLJava.3Internet,:.STEPWWWCORBA,,.EXPRESSJavaSQL,4,.1NextGenerationManufacturingOffice.NextGenerationManufacturing.http:ööwww.agilityforum.orgöngmöindex.html,Jan.19992KazuakiIwata.Virtualmanufacturingsystemasadvancedinformationinfrastructureforintegratedmanufacturingresourcesandactivities.CAnnalsoftheCIRP:ManufacturingTechnology,1997,46(1):3353383NIIIPConsortium.NIIIPreferencearchitecture,http:ööwww.niiip.orgöpublic2forumöindex2ref2arch.html,Dec.19984J.W.Erkes.ImplementingsharedmanufacturingservicesontheWorldWideWeb.JCommunicationoftheACM,1996,39(2):34455MartinHardwick.AnInformationinfrastructureforavirtualmanufacturingenterprise.CConcurrentEngineering:AGlobalPerspectiveCE95Conference.4174296M.Hardwick.Sharingmanufacturinginformationinvirtualenterprises.JCommunicationoftheACM,1996,39(2):462547ObjectManagementGroup.CORBASpecification,http:ööwww.omg.orgölibraryöspecindex.htm,May1998TECHNIQUEOFINFORMATIONINTEGRATIONINVIRTUALENTERPRISESZHAOJi2zhengZHUChuan2minZHANGShu(InstituteofAdvancedManufacturingTechnologyTongjiUniversityShanghai200092)AbstractForsharingknowledgeandresourcesinglobalmanufacturingenterprises,thetechniqueofinformationintegrationmustbeextendedtofacenetworkenvironment.Fortherequirementofnetworkmanufacturing,theauthorfocusedontheimplementationandapplicationtechnologyofmanufacturinginformationintegrationwiththeutilizationofInternetanddistributedobjecttechnology.Withthestandardsofnetworkcommunication,productdatamodelingandsoftwareinteroperation,theintegrationmodelwasdesigned.WWW(VRMLöXML)isusedfortherepresentingandexchangeofmanufacturinginformation,STEPisusedforproductdatamodelingandCORBAisusedforsoftwaresysteminteroperation.Usingabovethreetechnologies,theinformationintegrationinVirtualEnterprisesovertheInternetwillbeachievedinsoftwarecodeandsemanticlevel.KeywordsVirtualenterprises;Informationintegration;Internet;STEP;CORBA1899:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.