专有芯片开发：比亚迪玄玑A3助力智能汽车雄心

BuyAsia China Autos & Auto Technology Intelligent driving leap: proprietary chip,and urban area NoA financial guarantee Bin Wang ResearchAnalyst+852-220-35496Wei Huang AmbitionsBYD marked amajormilestone in its intelligentvehiclestrategyonMay28 withthe announcement of its"Xuanji A3"autonomous driving chip.The development ofproprietary autonomous driving chips,a strategy also pursued by rivals like Nio(Shenji NX9031),Xpeng (Turing Al chip),and Li Auto(M100 chip),has becomeessential forautomakers aimingforseamless softwareand hardware integrationandacompetitiveedgeinadvancedautonomousdrivingtechnologies.The"XuanjiA3"chipwasproducedusinga 4-nanometerprocess and incorporates a16-coreCPUdesignoperatingat420kDMIPS(DhrystoneMillionInstructionsexecutedPerSecond).Its3-coreNPU designcandeliverover 2,100TOPS (Tera Operations PerSecond)ofcomputingpowerwhenthreechips areclustered,furthersupportedbyupto273Gigabytes per secondof highmemorybandwidth.BYDasserts thatthe"Xuanji A3"is capable of enabling Level 3 and Level 4 autonomous driving andboastsoutstandingenergyefficiency,consuming20%lesspowerthancompetingchips. Research Associate+852-2203-7057 Redefining BYD's"Godeye"IntelligentDriving Capabilities via MajorUpgradesBYD will upgrade its "Godeye" Intelligent Driving solution in four key areas: architecture,sensors,algorithms,anddata (a)The architectural overhaul introduces the"Xuanji Architecture 2.0,"which incorporates afull-stack,independently developed centraldomaincontrolunit.Thisunitintegrates"cockpit,driving,and electric"functions,achievingan impressively low systemlatencyof just 8microseconds-an80% reduction compared to industryaverages.It also features a"sensorsatellite architecture,"ensuringraw sensorsignals are directlyprocessedby the central brain, minimizing data loss in intermediate steps. (b)The sensor system has beencomprehensivelystrengthened.In detail,LiDAR angular resolution has improved 1.6 times,with data volumetripling.The 4D millimeter-wave radar now boasts an extended maximumdetectionrangeof4o0metersandanincreaseto6,ooopointsperframe.For ultrasonic radar,latency has been cut by30%,detection capabilityenhancedby20%,andpointclouddensityescalatedtenfold. (c)Algorithmic advancementsare ledbyanew"Physical Al largemodel,"designed tofoster a capability system that can"understand,predict, andact."Thismodel integrates diverse data from cameras,LiDAR,millimeter- Autos&AutoTechnologyBYD modelforcomprehensivescenesynthesisandreconstruction,enablingthecreation of long-tail scenario libraries and closed-loop simulationtraining.inference and trajectory prediction, utilizing reinforcement learning tocontinuouslyrefinedecision-making across crucial dimensions like safety,efficiency,compliance,andhuman-like driving characteristics.(d)Atthe data level,BYDleverages itsfleetof3.15million intelligentdriving vehicles,generating up to 200 million kilometers of daily data, to fuel thesystem's self-evolution and algorithm iteration. Introduces Specialized Platform for Level 3 / Level 4 Autonomous Driving.FeaturingEnhancedPerceptionandExtensiveRedundancyBYD has introduced a specialized"Godeye"platform for"Level 3/ Level 4" autonomous driving.This platform is strategically built around a core principle ofmaximizing both perception capabilities and safety redundancy. In detail, thisplatform's perception system ismeticulously crafted tooperate effectively in allscenarios andunderallweatherconditions.Itsinnovative sensorsuiteincludes:(a)Ultra-high-line LiDAR, offering superior resolution and range for detailedenvironmental mapping;(b)"Flash-shot"cameras,custom-designed to captureclear images of high-speedmoving objects, crucial for dynamic drivingenvironments; and (c)Dual infrared cameras,providing reliablevision and objectdetection in challenging atmospheric conditions such as low light,heavy rain, ordensefog,whereconventional camerasmaystruggle.Thisplatform'sextensiveredundancy ensures reliability across every critical aspect of the autonomousdriving system,specifically covering: sensorredundancy,Soc (System-on-Chip)redundancy,McU (Micro-controller Unit) redundancy, algorithm redundancy,power redundancy,unlock redundancy,braking redundancy,communicationredundancy,steering redundancy,and parking redundancy. BYD Introduces AutonomousDriving Guarantees forUrbanNoABYD has announced a significant upgrade to its autonomous driving algorithms, moving to the"Godeye5.o"architecture.Across its entire product portfolio,BYDwill provide the"Godeye B" autonomous driving package, branded as"Dipilot 300"forRMB12,000.ThiscomprehensivepackagefeaturesoneLiDARunit,30sensingunits,andan Nvidia"Orin-X"autonomous chip.The"GodeyeB/Dipilot3oo"systemis engineered to adapt to a wide range of complex road environments, such asurbancongestion,highwaytravel,andintricateroundabouts.Itdelivers advancedfunctionalities including urban and highway full-scenario navigation (CNOA/HNOA),precisetrafficlightrecognitionandcountdowns,sophisticatedha