寶馬：2021年寶馬EE架構從以車為中心到以人為中心（英文版）（15頁）.pdf

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1、FROM VEHICLE CENTRIC TO PEOPLE CENTRICHOW THIS TREND IS CHANGING VEHICLES E/E ARCHITECTURESG.Smethurst,BMW Research03.11.2021Seite 2Thema|Abteilung|DatumSINCE THE FIRST ETHERNET&IPAUTOMOTIVE TECHNOLOGY IN 2011 THE WORLD CHANGED WHAT ABOUT E/E ARCHITECTURES?E/E in 2011 Transition phase from applicati

2、on-specific bus to domain architecture Focus on:Processing power,Infotainment,connectivity to CE-devices and to the cloud 10 Mio lines of codes Increased number of SOPs per yearE/E in 2021 Maturity of domain architecture Powerful Integration platforms Ethernet and legacy coexist Focus on:diversity o

3、f powertrains,automated driving Deep integration of CE in the vehicle Data analytics Remote-SW-Update.100Mio lines of code Many SOPs per yearSeite 3Thema|Abteilung|DatumTHE TRANSITION FROM DOMAIN TO ZONAL ARCHITECTURES:A ROBUST AND POWERFUL NETWORK IS KEY FOR MODERN CARSDomain ECUs(Cockpit,Body,PT,A

4、DAS)Transition to a Zonal ArchitectureDifferent bus technologies connected through gateways.High maintenance before and after the SOP.Zonal enables increased wiring harness modularity and places new needs on communication.Scalability of Ethernet Switches reduce the effort for gateways development an

5、d maintenance.SOA-SOME/IP and PDU Tunneling as main communication concepts over Ethernet.Scaling of the Ethernet Network with 10BASET1S.Improved network performance with MACSec.EthernetLegacy SerDesCloud:SW Update,backend processingPOSIXASIL=BOSEKASIL-BOSEKASIL-DSafe POSIXASIL DPOSIXASIL=BOSEKASIL D

6、Safe POSIXASIL BZonal ECUZonal ECUTodayTomorrowSeite 4Thema|Abteilung|DatumCHANGING VEHICLE OWNERSHIP AND USAGE MODELS CREATE NEW CHALLENGESFOR THE AUTOMOTIVE INDUSTRY ALWAYS FRESH“In 2020 the average age of registered cars in Germany was 9,6 yrs old.In 2010 it was 8,and in 2000 it was less than 7.C

7、ustomers will expect that a vehicle is kept fresh&up to date throughout its extended lifetime.Residual value will depend on vehicle functionality at point of re-sale.In future the costs and revenues after SOP will become significantly more important.Seite 5Thema|Abteilung|DatumCHANGING VEHICLE OWNER

8、SHIP AND USAGE MODELS CREATE NEW CHALLENGES FOR THE AUTOMOTIVE INDUSTRY PEOPLE CENTRICas“yet another”connected device within a customers digital life,the vehicle needs to integrate seamlesslySeite 6Thema|Abteilung|DatumADDRESSING THE CHALLENGES OF ALWAYS FRESH“AND PEOPLE CENTRICITYOrganisationProces

9、sArchitectureOrganizations which design systems.are constrained to produce designs which are copies of the communication structures of these organizationsMelvin Conway,Computer scientist,1967The complexities of highly integrated systems must be understood and managed if they are to be maintained for

10、 an extended period of time with acceptable effortThe architecture must be designed to be updated.The architecture must be simplified,particularly where frequent updates are anticipated.Technical discontinuity must be avoided if time to market is to be minimized.Seite 7Thema|Abteilung|DatumADDRESSIN

11、G THE CHALLENGES OF ALWAYS FRESH“AND PEOPLE CENTRICITY:PROCESSVogelsang and Fuhrmann.Why feature dependencies challenge the requirements engineering of automotive systems:An empirical study.RE,2013.94 Vehicle Functions the remaining 85 functions had 1451 dependencies to each other of which 58%were u

12、nknownto the function experts.of which only 9 hadno dependencies to other vehicle functionsSeite 8Thema|Abteilung|DatumADDRESSING THE CHALLENGES OF ALWAYS FRESH“AND PEOPLE CENTRICITYOrganisationProcessArchitectureOrganizations which design systems.are constrained to produce designs which are copies

13、of the communication structures of these organizationsMelvin Conway,Computer scientist,1967The complexities of highly integrated systems must be understood and managed if they are to be maintained for an extended period of time with acceptable effortThe architecture must be designed to be updated.Th

14、e architecture must be simplified,particularly where frequent updates are anticipated.Technical discontinuity must be avoided if time to market is to be minimized.Seite 9Thema|Abteilung|DatumADDRESSING THE CHALLENGES OF ALWAYS FRESH“AND PEOPLE CENTRICITY:ARCHITECTURE BACK TO BASICS Integration Platf

15、ormIntegration PlatformLogical backbone busBackendIntegration Platform“Onboard Apps”(on-demand)Vehicle access interface&servicesTHardcoreProcess321Seite 10Thema|Abteilung|DatumADDRESSING THE CHALLENGES OF ALWAYS FRESH“AND PEOPLE CENTRICITY:ARCHITECTURE BACK TO BASICSIPIPLogical backbone busASCEDDA=A

16、ctuatorB=Backend systemC=CameraD=DisplayE=ECUF=FunctionIP=Integration platformS=SensorZ=Zone moduleBZZEEEASASASASASEZIPFFFFace recognitionFFFFBrake by wireFFFFFFFSeat heatingFFFFFFRemote door unlockFFSeite 11Thema|Abteilung|DatumNEXT STEPS IN PURSUIT OF ALWAYS FRESH“AND PEOPLE CENTRICITYTo do Furthe

17、r consolidate in-vehicle communication technologies.Fully leverage the potential of Ethernet(e.g.Traffic shaping/classes,security).Extend network to embrace increased bandwidth and asymmetrical requirements(e.g.video(camera/display)Logically extend In-Vehicle ethernet backbone to provide seamless en

18、d to end connectivity.Address Instant-on/energy efficiency for communication technologies.Identify an approach to establishing the vehicle device interface What data/services are relevant at the vehicle device interface to support“always fresh”and people centricity How will the interface be describe

19、d How will the interface be governedSeite 12Thema|Abteilung|DatumThank you for your attentionHOSTING THE 11TH ETHERNET&IPAUTOMOTIVETECHNOLOGY IN 2021HISTORY,CONCEPT AND KEYNOTESEE-322,09.8.2021Seite 14Thema|Abteilung|DatumBMW SCHREIBT BEI AUTOMOTIVE ETHERNET EINE ERFOLGSGESCHICHTE.BMW hat 2008 als e

20、rster Autohersteller Ethernet als Kommunikationstechnologie im Auto eingefhrt.Mit der Pionierarbeit zu Automotive Ethernet und seiner Standardisierung,hat BMW nachhaltig die Industrie verndert.Heute sind alle anderen Autohersteller BMW gefolgt und nutzen ebenfalls Ethernet in ihren Serienfahrzeugen.

21、Am 3.und 4.November 2021 findet im BMW Projekthausstudio eine Fachtagung zu Automotive Ethernet statt.Es wird ein Hybridevent mit 88 Teilnehmern im Raum(inklusive 10 Ausstellern)und Lifebertragung an Onlineteilnehmer(100).BMW hostet das Event,die gesamte Organisation wird von der IEEE durchgefhrt.BM

22、W hat die Mglichkeit mit einer 20 Minuten Keynote,die Teilnehmer zu begren und zu begeistern(geplant 3.11.9:00).Seite 15Thema|Abteilung|DatumMGLICHER INHALT(KONFERENZSPRACHE IST ENGLISCH).Abstract from EE-322 regarding Networking Technologies.The actual choice of the architecture might change the le

23、ngth of the wiring,but not the need for communication.A robust and powerful communication network is key to the functioning modern cars.-Ethernet allows for state of the art security-Automotive Ethernet provides the right communication infrastructure that supports various speed grades.High Data-rate

24、s:Multi-GB enables computer on wheel architectures(Zonal)and personalized cloud-computing services.The big challenge is the physical layer.Low Datarates:10BASE-T1S Ethernet has been developed in order to seamlessly integrate chassis&interiors ECU to the Ethernet network.-To be cost efficient,10BASE-

25、T1S supports a multidrop bus structure.-10BASE-T1S is ready for next generation series introduction(NCAR).Demonstrator with 10BASET1S System network from EE-322 at the event.Keynotes from BMW Management does not need to focus on Ethernet only.03.11 at 09:00 pm CET for 20 minutes.Ideas:Future of vehicle electronics and architecture(NCAR),succesfull introduction of SP21,new challenges like semiconductor supply-crisis,how this is impacted by changing mobility trends Etc.