SACON - Connected cars (Aditya Kakrania)

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SACON SACONInternational2017SpeakerNameCompanyDesignationTwitterHandleIndia|Bangalore|November10 11|HotelLalit AshokSACON 2017IncreasingTechnologyinVehiclesSACON 2017BasicsofCarsSACON 2017E.C.U.s(ElectronicControlUnit) useamicroprocessorwhichcanprocesstheinputsfromtheenginesensorsinreal-time.ECUisagenerictermforawiderangeofdevices.Ex:ABS,EngineManagementControl ECUsconsistofahardwarecomponentandsoftwarecomponent(Firmware).Itusesclosed-loopcontrol,acontrolschemethatmonitorsoutputsofasystemtocontroltheinputstoasystem.ECUgathersdatafrommultiplesensorslocatedallaroundthecarandperformsmillionsofcalculationsandtakesdecisionsbasedonthecalculations.E.C.Us ElectronicControlUnitSACON 2017 Electronic/engineControlModule(ECM): isatypeofelectroniccontrolunitthatcontrolsaseriesofactuatorsonaninternalcombustionenginetoensureoptimalengineperformance. TransmissionControlModule(TCM): devicethatcontrolsmodernelectronicautomatictransmissionstocalculatehowandwhentochangegears. Anti-LockBrakingsystem(ABS): automobilesafetysystemthatpreventsthewheelsfromlockingupandavoidinguncontrolledskiddingbasedonthedriverinputswhilebraking. SpeedControlUnit(SPU): asystemthatautomaticallycontrolsthespeedofthevehicle.Usedincruisecontrols. TelematicControlUnit(TCU): Aglobalpositioningsystem(GPS)unit,tokeeptrackofthelatitudeandlongitudevaluesofthevehicleandanexternalinterfaceformobilecommunication(GSM,GPRS,Wi-Fi,WiMax,orLTE),whichprovidesthetrackedvaluestoacentralizedgeographicalinformationsystem(GIS)databaseserverTypesofECUsSACON 2017 CANprotocolisamethodofcommunicationbetweenvariouselectronicdeviceslikeenginemanagementsystems,activesuspension,ABS,gearcontrol,lightingcontrol,airconditioning,airbags,centrallockingetc embeddedinanautomobileControlledAreaNetworkorCANProtocolSACON 2017TheControllerAreaNetwork(CAN,alsoknownasCANBus)isavehiclebusstandarddesignedtoallowelectroniccontrolunitsanddevicestocommunicatewitheachother.CANisapeer-to-peernetwork.ThereisnomasterthatcontrolswhenindividualnodeshaveaccesstoreadandwritedataontheCANbus.WhenaCANnodeisreadytotransmitdata,itcheckstoseeifthebusisbusyandthensimplywritesaCANframeontothenetwork.CANframesthataretransmittedusearbitrationIDthatisuniquetoeachframeinsteadofaddressesofeitherthetransmittingnodeorthereceivingnode(s).CANBusSACON 2017ShortforOn-Boarddiagnostics.Anelectronicsystemthatprovidesvehicleself-diagnosisandreportingcapabilitiesforrepairtechnicianstoaccesssubsysteminformationforthepurposeofperformancemonitoringandrepair. OBDIIprovidesaccesstostatusinformationaboutthefollowing: Real-timeparameters:RPM,speed,pedalposition,sparkadvance,airflowrate,coolanttemperature,etc. StatusofCheckEnginelight. Emissionreadinessstatus. Freezeframe:asnapshotofparametersatthetimeatroubleeventhasoccurred. Diagnostictroublecodes(DTCs). Oxygensensortestresults VehicleIdentificationNumber(VIN)OBD On-BoardDiagnosticsSACON 2017Connectedcars arethosethathaveaccesstotheInternetandavarietyofsensors,andthatarethusabletosendandreceivesignals,sensethephysicalenvironmentaroundthem,andinteractwithothervehiclesorentities.ConnectedCarsSACON 2017 MultipleSensors- Sensorsfordifferentfunctionalitiesoffered. VehicleDistanceSensor Insidedoorlock/unlock GPSSensor MultipleECUs- ElectronicControlUnitstalkedaboutitbrieflyinthebasicsofcarssection. Connectivitynetworks- V2X,LTE V2X - Vehicleto-VehicleCommunications LTE:WithupcominghighspeedbroadbandnetworksitwillbepossibleforCarscanbeconnectedtotheinternetprovidingalotoffeatures. OBD- IItalkedaboutitbrieflyinthebasicsofcarssection. HardwareAutomotiveendComponents- Steering,TractionControl,ABS ConnectedCarGateway:theentrypointforacartocommunicatetotheexternalworld.UsuallyviaConnectivitynetworks RemoteCloudServers: ServersoftheManufacturerorauthorized3rdpartycollectthedatageneratedbytheSensorsembeddedincarsandcanusethisdatatoprovidefunctionalitysuchasCrashNotification,StolenvehicletrackingandRoadSideAssistance ApplicationonSmartphone:MobileAppswhichallowscustomerstointeractwiththecar.Ex:BMWConnectedAPPComponentsofConnectedCarsSACON 2017ConnectedCarArchitectureSACON 2017 AdvancedDiagnostics:Carsensorscollectalotofdatainrealtime.ThesedatacanbesharedwithManufacturesandvehicledealerstoidentifypotentialissueswiththecarandpreventaccidentsandcarfailuresfromhappening. Telematics:Sensorscanprovidesufficientdatatokeepdriversandpassengerssafeineventofemergencies,automaticcrashnotification,roadsideassistanceandvehicletracking. GPSTracking:GPStrackingcanbeusedforrealtimemonitoringforcarortruckfleets. RemoteServices:Useyourmobiledevicetolocatecarinparking,unlockcarremotely,remotelywarmupordecreasethetemperatureofthecar. Ex:https://secure.bmw.com/com/en/insights/technology/connecteddrive/2013/services_apps/remote_services.html ConnectedMediaandInfotainment:Usethenetworksdolistentomusic,watchvideosorstreammusiconthego. VehicleUpdates:Updatethevehiclefirmwareandsoftwareremotely.WhatcanconnectedcarsdoSACON 2017 Parkingassistance:includemultiplesensorsontheforwardandrearbumperswhichdetectobstacles,allowingthevehicletosoundwarningsandcalculateoptimumsteeringanglesduringregularparking SmartphoneInterface,AndroidautoandApplePlay:Connectyoursmartphonetoyourcarinordertohaveeasyaccesstomaps,messages,musicandmore.Thesesystemsaimtoreplacetheinfotainmentsystemsofthecar.Userscanunlocktheircars,checkthestatusofbatteriesonelectriccars,findthelocationofthecar,orremotelyactivatetheclimatecontrolsystem Autopilot:Multiplesensorsplacedallroundthecar,whichhelpthecarunderstandtheenvironmentandmakedecisiononwhatactionshavetobeperformed. FatigueDetection:includemultiplesensorswhichmonitorthesteeringpattern,lanemonitoringandanalyzethedrivingbehaviorandifnecessaryadvisesthedrivertorest.AdvancedFeaturesofModernCarsSACON 2017HacksonCarssofarSACON 2017SACON 2017SACON 2017SACON 2017Almosthalfthe89,000vehiclesbrokenintoinLondonlastyearwerehacked.