《运营管理cla》ppt课件
61页1、OperationsManagementThedqesignandmanagementofsystemstomakeproducts,provideservicesanddeliverthemtotheendJsef,Class3:VariabilityandOMITriangleLearningObjectivesVariabilityandProcessAnalysis一Whatisvariabiity?Whatimpactdoesvariabilityhaveonprocesses?一Howwedealwithvariabilityfromaqualitativeperspective?*OMtriangleDeterministicSystemStochasticSystemCharacteristics“Novariability*DemandandsupplyareperfectlymatchedCharacteristics“Variability“DemandandsupplydonotmatchApplication“Process/capacity/bottlene
2、ckanalysis*Lineflowchart/Ganttchalt“Calculatetheoreticalcapacityrate/flowtimeApplication*Inventory-buildup/LittlesLaw/PKformula,Calculatelongrunaverageflowtime/inventory/throughputrate“OMtriangle“Strategiestodealwithvariabilityinoperations*Queueingsystem*InventorysystemWhatisVariability?Variabilitycomesfrom.VariableVariableinputETypesofVariabilityPredictableVariabilityUnpredictableVariability.refersto“knowable“refersto“unknowable“changesininputand/orchangesininputand/orcapacityratescapacityrates
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