future drivingWord下载.docx
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future drivingWord下载.docx
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MaywepresenttheCNN10:
Futureofdriving.
Thankstoon-boardcomputersthatoperateeverythingfromthestereoandnavigationtothebrakesandaccelerator,theeraof"
bigdata"
iscomingtotheautomobile.
Liketheirdeskboundbrethren,theserollingcomputersproduceanenormousamountofdata–mostlyaboutpeople'
sbehaviorbehindthewheel–thatcanbeanalyzedtospottrendsandfightinefficiencies.Andthankstothisdata,yourcarmaysoonknowwhereyouwanttogobeforeyouevenpulloutofthedriveway.
Mercedes-Benzisdevelopingasystemthatovertimepromisestolearnyourschedule,tastesandevenyourmoods.Forexample,itknowsthatyouleavethehouseeveryweekdayat7:
30a.m.totakeyourkidstoschoolandthatyoulikethecabinatoasty75degrees.BasedonGPSandsatellitedata,itquicklylearnsyourpreferredroutesandtracksreal-timetrafficproblems,soitcansuggestdetourstohelpyousavetime.
ThecarcaneventunetheradiototheDisneychanneluntilyoudropoffthekids,atwhichtimeitwillrecommendNPR.Intheafternoons,itknowsyouusuallypreferhip-hop.
"
salmostlikethecar'
sbecomingaware,"
saysM.BartHerring,generalmanagerforproductsforMercedes-Benz."
Becauseitcanmakereallysmartdecisions."
Fordhasdevelopedasystemforitshybridcarsthattrackswhereandhowanownerdriveseachdaytomaximizefueleconomy.Thatdatacanbeusedtoalterhowthehybridsystembehaves--whenthegasolineenginecomesontogeneratepower,andwhenthecarrunsonelectricityonly--togetthemostdrivingrange.Forexample,ifyourcarrecognizesyou'
realmosthome,itwillswitchovertoelectricpowerknowingyou'
llsoonbeabletorechargethebattery.
Thisallhappenswithoutthedriverhavingtopunchinadestinationonthecar'
sGPS.Thecarwillsimplyhavelearnedthatwhenyougetinyourcarat8a.m.onaTuesdayyouarealmostcertainlyabouttotakethesamerouteyoutakeeveryTuesdayatthattime.
Ofcourse,allthisdataaboutmotorists'
whereaboutsraisesconcernsaboutprivacy,especiallyifautomakersweretosellthatdatatomarketers.AreportlastmonthbytheGovernmentAccountabilityOfficefoundthatcarmakersdonotappeartobesharinganylocationdatathatwouldpersonallyidentifydrivers,althoughtheautomakers'
privacypracticesremainconfusing.
Meanwhile,manynewvehiclemodelstodayhavesensorsconnectedtothepedalsandsteeringwheelthatdetectexactlywhatyou'
redoingwiththosecontrols,whileseparatesensorsconnectedtothewheelsandenginedetectwhatthecarisdoinginresponse.
Thatinformationisstoredinaneventdatarecorder,sometimescalleda"
blackbox."
It'
sdifferentfroma"
blackbox"
inanairlinerbecauseitdoesn'
trecordthecar'
spositionorconversationsinsidethepassengercompartment.Butitiscontinuallyrecordingeverythingthedriverdoeswiththecontrols.
Intheeventofacrash,itstopsrecordingandpreservesthatlastfewsecondsofactivity.Withacourtorder,police,attorneysandinsurancecompaniescancollectthatdatatoseewhetheradriverwasspeedingorfailedtotakeevasiveactiontoavoidawreck.
Progressive,theinsurancecompany,hasfoundthathowyouuseyourbrakes--specifically,whetheryoutendtomakeshort,suddenstopsorlonger,gentleones--canbeanexcellentpredictorofwhetheryou'
relikelytofileinsuranceclaims.
That'
swhyProgressive'
sSnapshottool,adevicethattapsintoyourcar'
scomputersystems,monitorsonlyyourbrakingbehavior.That'
senoughfortheautoinsurertodecidewhetheryoudeserveabreakonyourinsurancepremiums.(Hint:
Gentlebrakingwillsaveyoumoney.)
So,thenexttimeyoubuyanewcar,remember:
Whileyou'
regettingtoknowhowyournewridehandlesitselfontheroad,yourcarisalsogettingtoknowyou.
ConnectedCars
Forseveralyearsnow,we'
vebeenhearingaboutanearfutureinwhichallofourdigitaldevicescommunicatewitheachother.Yourfridgenoticesthatyou'
reatthegrocerystore,forexample,andsendsamessagetoyourphonesayingyou'
reoutofmilk.Oryouroventextsyouwhenthepotroastisdone.
Nowthisso-called"
Internetofthings"
iscomingtothehighway.Ascarsgrowmoreandmorecomputerized,theywillbeabletotrademessagesabouttraffic,weatherandroadconditions.Moreurgently,theycanbroadcasttheirspeedanddirectionandwarneachotheraboutpotentialsafetyhazards,suchaswhenanearbyvehicleisdriftingintoyourlane.
IfIcangetinformationfromthecarnexttomethatthey'
regoingtoturnright,thatwouldbegreat,"
explainsMaartenSierhuis,directorofNissan'
sresearchcenterinSiliconValley.Heimaginesadaywheninformationaboutalmostallvehiclesisstoredinthecloudandaccessiblebyall."
Itwouldbelikecrowdsourcingthedrivingexperience."
Thistechnologyiscalledvehicle-to-vehiclecommunications,orV2Vforshort,andit'
snotfaroff.
Inthefirsttestofitskind,almost3,000carsandtrucksequippedwithprototypeV2VdeviceshavebeendrivingaroundAnnArbor,Michigan,overthepastyear-and-a-halfaspartofapilotprogrambytheUniversityofMichiganandtheU.S.DepartmentofTransportation.
Thedevicesemitashort-rangesafetysignal10timespersecondandcandetectsignalsfromothervehiclestodeterminewhenapotentialaccidentisimminent.Carsequippedwiththedevicesemitbeepswhentheydetectpotentialhazardssuchasanothervehicleenteringanintersection,apedestrian,apatchoficeoreventheirdriverspeedingtoofastaroundacurve.
Researchersarestillcrunchingthedata,soitmaybetoosoontosaywhetherAnnArbor'
snetworkofconnectedcarsmadeitsstreetssafer.Butfederaltransportationofficialsarealreadysoldonthetechnology,whichtheyestimatecouldprevent76%ofthecrashesonU.S.roads.
Earlierthismonth,theNationalHighwayTrafficSafetyAdministrationannounceditwillmoveforwardwithplanstorequireV2Vtechnologyonallcarsandlighttrucks,possiblyasearlyas2017.Thetechwouldcomestandardonallnewvehiclesandcouldeasilybeaddedtoolderonesaswell.
V2Vcrashavoidancetechnologyhasgame-changingpotentialtosignificantlyreducethenumberofcrashes,injuriesanddeathsonournation'
sroads,"
saysNHTSAActingAdministratorDavidFriedman."
Decadesfromnow,it'
slikelywe'
lllookbackatthistimeperiodasoneinwhichthehistoricalarcoftransportationsafetyconsiderablychangedforthebetter."
ThisV2Vtechnologywouldonlysendwarningstodrivers.Butfuturesystemscouldautomaticallytakeoverbrakingorsteeringiftheysensedanimminentcollision,federalofficialssay.Carmakersalsoareexperimentingwithothermethodsofwarningdriversofimpendingdangers,suchasvibratingsteeringwheels.
Driverhealth
Wehumansareflaweddrivers.Wesometimesgetbehindthewheelwhilesleepyorevendrunk,andwe'
reeasilydistracted,whetherbyourelectronicdevicesorsomethingprettyoutsideourwindow.
Inthegravestcircumstances,wecanevenhaveastrokeorheartattackbehindthewheel.
Thisiswhyresearchers,appdevelopersandcarcompaniesaredevelopingtechnologytomonitorflesh-and-blooddriversandhelpthemavoidaccidents.Advancedsensorsinthepassengercabincanmonitoradriver'
svitalssuchasheartrate,eyemovementsandbrainactivitytodetecteverythingfromsleepinesstoaheartattack.
Nissanisexperimentingwithanarrayoftechnologythatdetectsdrunkendriving.Asensorinthetransmissionshiftknobcanmeasurethelevelofalcoholinadriver'
ssweat,whilethecar'
snavigationsystemcansoundanalarmifitdetectserraticdriving,suchasweavingacrosslanes.
TheUniversityofLeicesterisworkingonasystemthataimsLEDlightsatthedrivertotracktheireyemovementsanddetermineiftheyarepayingattentiontotheroad.
Butevenawakeandalertdriverscangetdistracted.Audiistestinganattentionguardthatusescamerastomonitorthedriver'
sheadposition.Ifadriverlooksawayfromtheroadfortoolongandthecar'
ssensorsseeitiscominguponanothervehicle,thecarwillsoundanalarmandevenslowdowntopreventacollision.
Theoverallobjectiveistokeepyousafe,tokeepyoumoving,"
saysMohanTrivedi,directorofUCSanDiego'
slabforintelligentandsafeautomobiles,whohasworkedwithAudionthetechnology."
Oneoftheotherthingsisastress-free,enjoyablerideforthedriver."
Thentherearesystemsthatusesensorstokeeptabsonadriver'
s
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