云制造环境下制造云服务发现研究

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1、英文摘要ABSTRACTCloudManufacturing1Sanewservice—orientednetworkedmanufacturingmodewhichusesCloudComputingforreference．Ithasbecomethehotspotinthefieldofadvancedmanufacturing．ManufacturingCloudService(MfgCS)isthevirtualizationofphysicalmanufacturingresources．SincetheManufact

2、uringCloudServiceComposition(Mt)；CSC)carlallocateresourceseffectivelyandincreasetheutilizationratioofresources，itissignificanttofulfillmanufacturingtasks．MfgCSCcanbedividedintothreestages：taskplanninganddecomposition，candidateservicediscovery,servicecompositionandoptim

3、ization．Becausethecandidateservicesetwhichisobtainedviaservicediscoveryistheonlyoneinputforthefollowingsteps，theperformanceofthewholeMfgCSCobviouslydependsonservicediscovery．Sotheresearchofmanufacturingcloudservicediscovery(MfgCSD)isimportant．Recently,theresearchesofCl

4、oudManufacturingmainlyfocusonconceptdefinitionorarchitectureconstruction．Theexistingresearchesofservicediscoveryaremainlyspecifictocomputingresourcesandwebservices．Butmanufacturingtasksaremorecriticalthancomputingones，andmanufacturingresourcesaremorecomplicatedthantrad

5、itionalcomputingresources．ItmeansthattheexistingservicediscoveryresearchachievementscannotbeappliedtoCloudManufacmringdirectly．Sousingwebservicediscoveryframeworkforreference，thethesisstudiesthreecorepansofMfgCSDincludingmanufacturingcloudservicedescription，servicematc

6、handserviceselection．Intermsofservicedescription，weaimtosolvetheproblemthattheexistingservicedescriptionmethodscouldnotprovidecomprehensiveinformationofMfgCS．Firstly,amanufacturingresourceclassificationmodelisestablishedandmanufacturingcloudserviceontologyisconstructed

7、byextendingtheOWL—Sservicetopontology．Onthebasisoftheclassificationmodelandserviceontology,anewmanufacturingcloudservicedescriptionmethodisproposed．Itfocusesonbothstaticanddynamicattributes，bothfunctionalandnon—functionalQosattributes．Themethodprovidesintegratedinforma

8、tionforthefollowingmatchingsteps．SincethedescriptionparametersofMfgCSaremorediversiformthantraditionalwebservice，thee