安卓车载系统统数字座舱升级解决方案-2024-09-智能网联

Asolutionforupgrading

digitalcockpitwithnewestAndroidAutomotive

UweMeißner,BertoltSchmidt,RolandLaresSeptember18,2024

©Elektrobit2024

Challenge

Updateabilityofdigitalcockpits

©Elektrobit2024September182

Challenge:Updateabilityofdigitalcockpits

UpdateabilityofinfotainmentOSisnotsolved-neitherinsoftwarenorinhardware

CustomersexpectIVI(InVehicleInfotainment)experienceasoftheirsmartphones.

Lifetimeandcomplexityofthecarisdifferenttoasmartphone.

ReasonforanupdateOEM:E.g.asface-lift

Cardealer:E.g.afterleasingperiodEndcustomerdemand

Projectionsolutions(CarPlay,AndroidAuto)canhelpbutcarmanufacturers(OEM)haveno

controlofthedata.

Overthenextyears,theservicebusinessforcars

willincrease,andOEM’sneedanoptiontoparticipateonthismarket.

©Elektrobit2024September183

Challenge:Updateabilityofdigitalcockpits

AdditionalscenariosfromOEMperspective

1.AnOEMwantstobridgethemarketgap

betweenhislegacyinfotainmentsystemsandtherolloutofhisfullyfledgedAndroid

AutomotiveOSbaseddigitalcockpit

2.AnOEMneedsadedicatedAndroid-based

infotainmentsolutionforoneofhiskeylocalmarkets

3.AnOEMneedsanupdateofitsAndroid

AutomotiveOS-basedcockpit,buttheexistingcockpithardwaredoesnotsupportnewer

Androidreleases

4.AnOEMwantstoencapsulatethefast-movingentertainment/infotainmentpartsfromthe

slowermovingandsafetyrelevantcockpitelements

©Elektrobit2024September184

©Elektrobit2024September185

Currentsituation

Currentsituation

Lot'sof(veryold)IVIsystemsinthefieldwhichdon'tgetanyupdates

HPCcockpitcomputershaveperformancehead-roomdefinedatbeginofdevelopmentnotforcompletelifetime

•HeadroomatthebeginningisveryexpensivebutnotsufficientinstillexponentialimprovingperformanceofSoCs(e.g.thinkof

AIaccelerators,NPU,GPU)

Aftermarket:mainlywithoutOEMcustomization/deepintegration

Projectionsolution(CarPlay,AndroidAuto,Weblink,etc):mainlywithoutOEMcustomization/deepintegration

ExistingCartridgesolutions;justfewofthem

•CN:bigtechhassolutionsfortheirecosystem

•ClassicTier1’s

©Elektrobit2024September186

Currentsituation

Summary

OldSystems,nosecurityupdates,nonewfeatures,proprietaryappstores

SolutionsmainlywithoutOEMcustomizationordeepintegration

Hardwareperformanceincreaseovertimeisstill

exponential(thinkaboutlocalAIacceleration/NPU)

©Elektrobit2024September187

©Elektrobit2024September188

Companionsolution

Whatisacompanionsolution

DigitalcockpitHPCwithadditionalhardwaredeviceforAndroidAutomotiveinfotainmentpart

Displays

CentralCockpitControllerModule

AndroidAutomotiveCompanionDevice

CarNetwork(s)

©Elektrobit2024September189

Solvethelifetimechallengewithacompanionsolution

G1

G2

G2

Advantage

•Basicsetupofthecarcanstaylonger

•NextgenerationofHMIcanbetestedonaverystablesystem

•Generationofcarscanhaveequalsoftwareudpate

•Servicescanberolledoutforallthecars

©Elektrobit2024

10

September18

Whatisacompanionsolution

ExtensionofanIVIsystem

LoosercouplingoftheIVIpart

•PossibilitytoupgradetheIVIhardwarewithouttouchingcarinterfaces

•Cartridgehardwarecanbecheap:e.g.,SoC+RAM+FLASH+USBinterface

•UXoverhaulpossiblewhichextends

performance/featuresofthecompanion

•SafetypartsarealreadysolvedinIVIcockpit

controller;thecartridgecanenhancethenon-safetyfunctionsnoexpensivesafety-

relevantpartswithincartridgedevelopment

StillOEMsolution

•Fullcontrol

©Elektrobit2024September1811

•OEMexperienceandHMI

Whatisacompanionsolution

Softwarearchitecture

“TheapplicationsoftwaredoesnotrecognizewhetheritisrunningonthecentralcockpitcontrollerorontheAndroidcompanion

device.”

BasedondefaultAndroidAutomotiveOS

Bridgetowireupthecompanionsolutiontothecentralcockpitcontroller:

•HALsforhardwarenotexistinginthecompanionitself

•Servicestocoordinatebetweencompanionandcentralcockpitcontroller

UXandHMIapplications

Imagesource:

©Elektrobit2024September1812

Whatisacompanionsolution

Bridge

Cartridgeconfiguration

Bridge

CentralCockpitHPC

capabilitiesinterface

Diagnosis

Communication

CarInterfaceSensorInterface

PowerManagement

VideoInComposition

APPs/HMI&businesslogic

Assistants

User

Management

Audio

Media

SWupdate

CompanionDevice

CapabilitiesCoding

Diagnosis

Communication

Car/SensorHAL

PowerManagementGaragemode

VideoProjectionTouchInput

HMIandAndroidservices,SDKs

SpeechApp/Assistant

UserManagement

Audio

MediaSessionManager

SWupdate

Softwareinterface

Hardware

Android

CompanionDevice

CentralCockpit

Controller

Software

©Elektrobit2024September1813

Whatisacompanionsolution

EEarchitecturedomainexample

LTE,,V2X,BLE,GNSS,FM/DAB

!

Eth

Eth

↓

...

Eth

CAN

ECUBody

HPC

ePowertrain

Telematicsexternal

HPCADAS

Eth2.5Gbps

Eth

CAN

CAN

CAN

ecall

LIN

Secure

Gateway

ECU

LIN

书

CAN

Video

C

4xLVDS

Android

Companion

USB2.0/3.0

Rear-viewcam

power/enable

USB

Drivermonitoring

Dashcam

USB

front/rear

Interiorcam

CentralCockpitHPC

LVDS

CAN

LVDS

CAN

LVDS

Touch

YY

2xmic

...

CarPowersupply

warning

speakers

!

Cockpitdomain

Cluster(ASIL-B)HUDIVI

©Elektrobit2024

September1814

USB2.0/3.0

Android

USBpowered

Whatisacompanionsolution

Companion

Androidcompanionexamples-Hardwarearchitecture

CarPowerSupply

USB3.2Type-C

5Gbps

DebugUSB2.0

480Mbps

DebugDP

VBUS

AndroidCompanionUSBpowered

USB2.0SoC

DisplayPort

LPDDR4eMMC/UFSUSB3.2gen1

GPU

DSP/ISP

Security

I/O

AIaccel.

Power

ManagerIC

USBPDControl

USB2.0

Protection

USB3.2

Protection

Flash

64GByte

CPU

RAM

6GByte

PowerSupply

5V3A(15W)

+5V

Flash

64GByte

RAM

6GByte

LPDDR4eMMC/UFS

USB2.0

Protection

USB2.0

CPU

USB2.0

480Mbps

GPU

DSP/ISP

Security

I/O

AIaccel.

USB2.0

Protection

USB2.0SoC

DisplayPort

DebugUSB2.0

480Mbps

DebugDP

VBUS

CarPowerSupply

+12V

Power

ManagerIC

Protect.&Filter

AndroidCompanion12Vpowered

ENABLE +12VGROUND

©Elektrobit2024September1815

Companionsolution

Addressedchallenges

Lifecycle

•Hardware(performance)updates:Multiplehardwaregenerations

•CurrentAndroidAutomotiveversion

OEMcontrol

Incontrasttoprojectedsolutions

UserexperienceandHMI

Vehicleanduserdata

©Elektrobit2024September1816

Companionsolution

Variations

OEM/aftermarket

Retrofit/carfacelift

Mid/high-endextenderwithoutneedtodevelopfullIVIheadunitwithsafetymultipletimes;overcome

limitationsofSoCofferingsofpincompatiblefamiliesNewhardwareneeds,likelocalAIacceleration

“Thinclient"withcloudinstance

©Elektrobit2024September1817

Elektrobit’ssolution

Elektrobit’scompanionsolutionforAndroid

©Elektrobit2024September1818

Elektrobit’scompanionsolutionforAndroid

Phaseapproach

1.Concept/Consultancy

Analysisofcustomersituationandconsultancyforsolutions

2.Feasibilitystudy/PoC

E.g.forAndroidcompliantsolution;performanceetc.

3.Seriesdevelopment

UX/UIdesign:ElektrobitcaneitherdotheUX/UIdesignorsupport/consult

ImplementationkickstartedandsupportedbyElektrobit

productsandre-usablemodulesofourElektrobitcompanionsolutionportfolio

Pre-certification

4.Validation&Certificationphase

©Elektrobit2024September1819

Elektrobit’sbridgelibrary

Sending/receivingIVIcontent(unencrypted)

Receiver:

TheIVIsystemMUSTprovideanH.264/AVCBaselineProfilehardwaredecoder.

•

••

BPminlevelshouldbeHigh@L4.2

(

/wiki/H.264

)

Maximumframerateof60FPSforallvideoresolutions

Allframerates(continuousandnoncontinuous)betweenzeroFPSandthemaxframerate

SOCsupplier

©Elektrobit2024September1820

Elektrobit’sone-stopservice

Fromconcepttointegrationtomaintenance

Integrationintoexistingarchitecture

Ensureifandhowcertificationwillbedone

SupportswithOTAandOEMappstoreifneeded

DefineKPIfortheproducts

Supportvarianthandling(car-lines/models)

Futureupdateandfeatureplanning

Afterthephasesofsoftwareandhardwareconcepts.SoftwareandhardwareisdevelopedtogetherwiththecarmanufacturerorTier1.

ThecompaniondevicecanbeproducedbyaTier1andintegratedintothevehicle.

©Elektrobit2024September1821

Audi

Successstory

AudilevelsupinfotainmentsystemwithElektrobit

©Elektrobit2024

Audilevelsupinfotainmentsystem

withElektrobit

Customerchallenges

Withthisproject,Audifacedadualchallengeofensuringlongevityandadaptabilityforitsrenowned,mostadvancedinfotainment

system.SeamlessintegrationofanAndroidcompaniondeviceandtheinfusionofselected3rdpartyappsaddedlayersofcomplexitytotheproject.

Elektrobit’ssolution

FullintegrationofAndroidAutomotiveOSincluding

connectivityfeaturesintoAudi'sinfotainmentsystemviahardwarecompanion

deviceandsoftwarestackformultipleprovisions.

Constraints

•Seamlessintegrationintothelegacysystem

•CollaborativeUIconceptcreation

•Consideringproductlifecyclemanagementcomplexities

©Elektrobit2024

September1823

Audilevelsupinfotainmentsystem

withElektrobit

Customerbenefits

Elektrobit’saddedvalue

Elektrobitprovidesan

experiencedsoftwareteamwitharichhistoryofHMI

creationandautomotivesoftwareintegration.

WithcomprehensiveAndroid

expertiseandcollaboration

withGoogle,Elektrobitstoodasapillarofinnovation.

Theteamalsoshowcased

prowessinintegratingAmazonAlexa,ensuringamultifacetedenh