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1、662IEEETRANSACTIONSONSYSTEMS,MAN,ANDCYBERNETICS:SYSTEMS,VOL.45,NO.4,APRIL2015TransitioningSystemsThinkingtoModel-BasedSystemsEngineering:SystemigramstoSysMLModelsRobertCloutier,Member,IEEE,BrianSauser,SeniorMember,IEEE,MaryBone,andAndrewTaylorAbstractAfundamen
2、talchallengeforsystemengineersistocaptureaproblemwithaneffectivemodelorframeworkandthenfacilitatetransferringtheinformationofthatcapturedprob-lemtopracticalsystemsengineeringtoolsandmethods.Theearlyproblemdefinitionphaserequiresanapplicationofsys-temsthinkingwi
3、thadequatemodelingtoolsandmethods.Then,thelaterproblemdefinitionphaseandearlysystemarchitectingphaserequirestransferringthecapturedproblemtosystemsengi-neeringtoolsandmethodsthroughemergingtechniquessuchasmodel-basedsystemsengineering(MBSE)usingSysML(MBSEisthep
4、racticeofusingamodelingtoolstocapturesystemsengineeringdiagrams).Thispaperpresentsamethodforcap-turingaproblemthroughsystemigramsandtheBoardmansoftsystemsmethodologyandthendirectlytranslatingthesystemi-gramsintoSysMLdiagrams.WithMBSEincreasinginusage,thismetho
5、dcouldprovideatimesavingsopportunityduringmodeldevelopmentalongwiththepossibilityofloweringinfor-mationdistortionorlossthatcanoccurduringtransformationofsystemsthinkingtosystemsengineeringactivities.ThispaperFig.1.Capturingandmodelingstakeholderconcernstoenabl
6、eportfolioincludesacasestudywhichdemonstrateshowtheproposedmanagement.approachwasappliedonaproblembeingconsideredbytheU.S.ArmyContingencyBasingforSmallCombatUnits.Finally,thispaperwillprovidetheconclusiononthedevelopmentofsystemsengineeringtoolsandmethodseveni
7、fsystemsengi-themethodanddescribefutureresearchdirectionsthatcanneerscaneffectivelyaccomplishthisproblemdefinition?ToallowsystemsthinkingandMBSEtofunctioninacongruentaddressthesequestions,thispaperwilldescribetheapplica-methodology.tionofasystemsthinkingandprob
8、lemdefinitionmethodologyIndexTermsModel-basedsystemsengineering(MBSE),(i.e.,Boardman’ssoftsystemsmethodology(BSSM)[1])SysML,systemigram,systemsthinking.withemergingmodel-basedsystem
