基于P2P的制造資源搜索引擎的研究與實現(xiàn).pdf

1、上海大學(xué)碩士學(xué)位論文基于P2P的制造資源搜索引擎的研究與實現(xiàn)姓名：周傳飛申請學(xué)位級別：碩士專業(yè)：計算機應(yīng)用指導(dǎo)教師：張博鋒20050101上海大學(xué)碩士學(xué)位論文AbstractTheresourcesharingiSthefoundationstoneofadvancedmanufacturetechniqueThevariousmodelsofadvancedmarlufacturetechr】iquestresstheresource

2、sharingilronrdifferentpointofviewResourcesharingiSregardedasoneofthemostimportantsubjectsofmanyresearchandengineeringprojectsAtpresent，someshortcomingsabouttheresearchofresourcesharingstillexistAlthoughbuildingsystembase

3、doneenterserverpossessesmerits，suchaseasycontrolandconvenientmaintenance、itbringssomequestionsasfollows：thecenterserverbeingthebottleneckofwholesystem、lOWcommunicationemciencyandtheresourcessearchingservicerestrictedtoth

4、oseenterpriseswhohavesubmittedtheirresourcesP2PiStheabbreviationofPeertoPeeranditiScalledpointtopointtechnologyhiSonekindofcross—domainconununicationmodel，formedbyalmgenumberofhighdynamicnodesThenodespossessidenticalduty

5、andabilityandworkinCOOrdinationwitllaccomplishingtheassignmentTheresourcesareshareddynamicallyinthewayofdireelinterconnectionamongdifierentnodesP2PdoesnottieedtheserVerasthenucleus，andpossessesmuchhigherdatasharing!evelT

6、hemajorresearcheffortofthismlicleisbuildingresourcesharingplatformformanufacturingindustryManufacturingResourceSearchEngine(MRSE)basedOilP2Pwhichchieflyresolvesthequickly—findingproblemofmanufacturingresourcesunderadvanc

7、edmanufacturingmodelsFirstly，themeaningandresearchsituationofresourcesharingarepresentedinthisarticle、aswellasproblemsofresourcesharingThenaccordingtoP2P‘Scharacteristic，MRSEbasedonP2PisputforwardSoonafterwards，P2PandJXT

8、AarepointedoutNext，objectiveandfunotionofMRSEWhi、chwillberealizedaregiven；MRSEsystemflameispointedout，andmanufacturingresourcemodelingisdiscussed；manufacturingresourcesharingmodeliSputforward0ncemorethecriticaltechnology

9、ofMRSEiSstudiedinthisarticleInordertaisetheefficiencyofsearchingmanufacturingresources，resource—searchingtacticbasedonXMLiSpmforwardSynchronizationmechanismofXMLiSgivenoutwhichincludesactivelyupdatingalgorithm(AUA)andpas

10、sivelyreceivingalgorithm(PRA)Atthesametime，meritsandshortcomingsofthesetwoalgorithmsarestudiedrespectivelyInordertoidentifythreedifferentmessages：communicationmessage、requestmessageandresultmessage，tacticbasedonXMLisadop

11、ted，Howtoselectandappraiseresourcesisalsoimportant，AHPFuzzyisadoptedtosolvethisissueFinally，intermsofdatabasedesignandsystemframe，MRSEbasedonP2Pisimplemented，whichincludestwoimportantparts：resourceregisteringandresources