可再生材料&虚拟现实技术

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1、VirtualRealityinCarProductionUsinghigh-performaneecomputers,theautomobilemanufacturerisnowinapositiontosimulatemanystepsinthedevelopmentprocessrealisticallyonthescreenbeforebuildingelaboratemodelsandusingexpensiveteststands.Andthisoptiontoworkwithcomputergeneratedsimulationsisnotlimitedtoconvention

2、alscreendisplaysalone.VirtualrealityusedbytheBMWGroupfromtheinitialdevelopmentofdesignconceptsallthewaytoplanningproductionprocessesisamostefficientandinnovativesimulationtechnology.VirtualrealityknownasVRforshortisalsoreferredtoas"realitysimulatedbythecompute广orasan"artificialworld：Tocreatethiswor

3、ld,high-performaneecomputersconverthugeamountsofdataintospatial,three-dimensionalimages,givingtheobserverthesamesensoryperceptionasinreality一thevirtualworldlooksurealw.Indeed,suchavirtualworldisabletoreplace“reallife”inmanyareasandapplications,particularlyifitservestosimulateonlyapreciselydefinedex

4、cerptofreality.ThevirtualfutureoftheautomobilehasalreadybegunThecyberspaceworldhasalreadydevelopedfromsimplegamestoaveryseriousandmeaningfulindustrialtool.Theuserisabletomovearoundinavirtualenvironment,interactingwithandultimatelyevenshapingthe"world"aroundhim.ModernVRstudioshavewhatiscommonlycalle

5、daCaveAutomatedVirtualEnvironmentorCAVEforshort一an''electroniccaveninwhichtheobserverissurroundedbyuptosixwallspresentingpicturesprojectedinrealtime・Wearingspecialglasses,theuserthenreceivesaspatial,threedimensionalimpressionofhisvirtualenvironment.Fromtheinitialideatotheseriesproduct一fasterandmore

6、efficientthaneverbeforeVirtualsimulationisindispensabletodayalsointheautomotiveindustry.Whileseveralprototypeshadtobebuiltinthepasttotestcomponentsinadvanee,planners,designersandengineersnowworkononeandthesamedigitalmodel,optimizingthismodelonthescreenand,ifnecessary,transmittingmodeldataviadatalin

7、essimultaneouslytolocationsallovertheworld・Thisreducesthecostofdevelopmentand,inparticular,speedsupthedevelopmentprocess,providingfastertimetomarket.AfurtheradvantageofVRisthattheuserisabletoassessdifferent