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1、focusinitiatingsoftwareproductlinesModelingandUsingProductLineVariabilityinAutomotiveSystemsSteffenThielandAndreasHein,RobertBoschCorporationutomotivesystemsprovideabroadspectrumofservicesthatfun-damentallyimprovepassengercomfort,safety,economy,andse-Acurity.Parkingassistanceoradaptivecruisecont
2、rolsystemsmakeiteasiertooperateacarinvariousdrivingsituations,thusreduc-ingdrivers’workloadandincreasingtheircomfort.Safety-relatedsystems,suchasautomaticstabilityorairbagcontrol,helpdriversavoidorreducetheimpactofaccidents.Fueleconomysystemsloweremissionsandincreasefuelefficiency,whilesecuritys
3、ystemsprotecttheabilityamongrelatedproducts.Aswedis-carfromunauthorizedmanipulation.cusshere,systematicplanningandcontinu-Anautomotivesystemtypicallyconsistsofousvariabilitymanagementisaprerequisitededicatedprocessors,software,andinter-foreffectiveproductlines.We’vedevelopedProductlinesofferafac
4、esthatletthesystemmeasure,manipu-anapproachtomodelingandutilizingvari-promisingapproachlate,andotherwiseinteractwithitsexternalabilitytosupporttheefficientcreationoftoautomotivesystemenvironment.Designersoptimizesuchsys-productvariants.Ourapproachisbasedondevelopmenttemstoreflectspecificapplicat
5、ioncharacter-experienceswithseveralindustrialcasebecausetheypermitistics.Apartfromasystem’sdesiredfunc-studiesatBosch.Beforedescribingthem,westrategicreusetionality,automotivesystemdesignersmustexplainhowproductlinedevelopmentofcoreassets.considermanypossiblyconflictingqualitiesmeetsthemajordesi
6、gnchallengesintheau-However,togainandconstraints.Developinganautomotivetomotivesystemdomain.significantsystemcanthusinvolvehundredsorthou-sandsofvariants,addingtotheexistingengi-Productlinedevelopmenteconomiesofscope,neeringcomplexity.WhereasvariabilityhasAutomotivesystemstypicallyhavethou-varia
7、bilitymusttypicallybeenaddressedonacase-by-casesandsofrequirements,butsomeareespe-besystematicallybasisinlatedevelopmentphases,designersciallyimportant.Manyautomotivesystemsconsiderednowneedamanaged,systematicapproachtoarere
