Common problem_Common problem

Q

What is the meaning of OTA update for intelligent cars?

A

1、FixsystembugsrapidlyFortraditionalcars,oncesomesystemproblemswerefoundduringusersdriving,theonlywaytosolvethemisthatcarmakersrunuptherecallprocedureandaftergottheinformfromcarmakers,usersneedtoretur

Q

What is the type of OTA update for intelligent cars?

A

TherearetwotypesofOTAupdateforintelligentcars:oneisFOTA(Firmware-over-the-air),itistodownloadanupdatepackagefordeviceandECUflashmemorytofixcurrentfirmwareproblemsorupdateflashmemory.TheotheroneisSOTA(

Q

What is the relationship between recovery and OTA?

A

Recovery actually is part of OTA. For real computing ability and storage usage of embedded ECU of intelligent cars, recovery is the inevitable way to update firmware.

Q

Whether the bus wire will change into Ethernet or FLEXRAY from CAN/LIN because of OTA data amount issure?

A

Asforthetransmissionofupdatepackageamongintelligentdevices,highspeedbuswire,suchasEthernetandFLEXRAY,isthebestchoice.Meanwhile,besidethetransmittingcapacity,theTCPofsoftwarealsoneedtobewelldefined.

Q

Is there any standard or authentication of security or protocols for OTA implementation?

A

There are two answers for this question: one is for security and the other one is for protocols.
For the standard of security, lots of carmakers will use their own encryption standard according to th

Q

As one mature technology in consumer electronic field, what is the challenge of OTA implementation into car market?

A

For this question, we need to explain from two points of view. For vehicle side, the framework and performance of all car devices are diverse from each other. So, we need to design and customize OTA a

Q

Is the OTA recovery started by TBOX or gateway? If it is gateway, then how the protocols definition between TBOX and gateway?

A

Wecamecrossbothconditionsinourprojectsanditisdecidedbytheframeworkofwholevehicle.IfthevehicleweappliedourOTAintoisamaturemodeloramatureplatformoraspecificmodelusingpassthroughgateway,theOTArecoverywil

Q

Now, which nodal points need to support OTA of whole vehicle?

A

Thisisdecidedbycarmakers.CarmakerswillimplementOTAnodalpointsindifferentstages.Fornow,mostlyOTAnodalpointsaresomeintelligentdevicesandsomenon-criticalcomponentsECUssuchasOBU,TBOX,aircondition,PEPS.Whi

Q

Does OTA update all parts of intelligent car, including decision level, sensor level and data dealing level, or just parts of car?

A

Forintelligentcar,ourOTAcanrealizethecompleteupdateincludingsensorlevel,decisionlevelandcontrollevel.Duringthecooperationwithsomecarmakerinstitutewithforesight,wenoticethat,currently,OTAfunctionmainly

Q

What are the problems of big file transport for OTA

A

Firstly, the cost of transport time and flow, which is the most direct problem for carmakers. Secondly, cars might be sold to everywhere over the country, big file transport will definitely impact the

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