大众技术汇总en.docx
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大众技术汇总en.docx
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大众技术汇总en
10-WaySeat
Multi-adjustableseatsensurecomfortableandfatigue-freetravel,evenonlongjourneys.Thisfeelingofwellbeingisachievedbyfindinganidealsittingpositionsuitedtoeachindividualoccupant.Tothisend,theseatcanbeadjustedinawidevarietyofwaysandadaptedtodifferentbuildsandstatures.Thelumbarsupportbuiltintothebackrestrelievesthestrainonthespinalcolumnandguardsagainstpossiblediscomfortresultingfromincorrectposture,crampsorexistingbackproblems.Theelectricaloperationallowsforconvenientandinfinitelyvariableseatadjustment.
10-wayseat
Apartfromthefore/aftpositioning,alsoallowsadjustmentoftheseatheightanddepth,thebackrestangleandthelumbarsupport.
12-wayseat
Apartfromthefore/aftpositioning,alsoallowsadjustmentoftheseatheightanddepth,theseatcushionandbackrestangle,andthelumbarsupport.
18-wayseat
Offersluxuriouslevelsofcomfort:
apartfromthefore/aftpositioning,alsoallowsadjustmentoftheseatheightanddepth,theseatcushionandbackrestangle,thetopofthebackrest,aswellasthelumbarsupport,theheadrestraintheightandfinallytheseatcushiondepthtoo.
Alsosee
∙LumbarSupport
∙MassageFunction(Seats)
∙MemoryFunction
1-ZoneTemperatureControl
Climatronicregulatestheinteriortemperatureinlinewiththepreselectedpreferredtemperaturebymeansofautomaticadjustmentoftheblowerspeedandoperationoftheairdistributorflaps.Itthusassuresapleasantclimateinalloperatingandweatherconditions,withvirtuallydraught-freeflowofairthroughthepassengercompartment.TheClimatronicsystem’selectroniccontrolmonitorsallkeyinfluencingvariablesandsourcesofinterference,suchasthepositionofthesun,theintensityofitsraysandtheoutsidetemperature,andaddsmoreorlesscoolairaccordingly.
Thecontrolunit'sinterfacewiththeCANdatabusmakesothercomfortfeaturesavailable,too:
automaticairrecirculationwhenthewindscreenwashersareactivatedorwhenreverseisengagedshieldstheoccupantsfromunpleasantodours.Speed-dependentcontrolfortheblowerwithautomaticadjustmentoftheoutlettemperaturereducesnoiselevelswhendrivingatlowspeeds.
Climatronicalsoincludesadefrostfunctionwhichcanbeactivatedatthepushofabuttontoclearfoggedoriced-upwindows.Thisdirectsthefullairflowontotheinsideoftheglasswithahighblowersetting.Iftheoutsidetemperatureisabove2.5°C,thecoolingsystemcutsintodrytheair.
Inthisway,theClimatronicsystemfromVolkswagenimprovespassengercomfortaswellasofferingaddedconvenienceandsafety.Maintainingapleasantclimatekeepsthedriver’spowersofconcentrationandreactionssharp,bothofwhicharevitalforsafemotoring.
Variousfeaturesareavailable,dependingonthevehicle:
1-zonetemperaturecontrol
2-zonetemperaturecontrol
Dividesthecabinintotwoclimatezones.Thedriverandfrontpassengercanselecttheirtemperaturesindependentlyofoneanother.
3-zonetemperaturecontrol
Thedriver,frontpassengerandrearpassengerscanadjusttheirtemperaturesindependentlyofoneanother.
4-zonetemperaturecontrol
Dividesthecabinintofourclimaticzones,eachwithindividualtemperaturecontrol.
2-BatteryConcept
Theconstantlygrowingnumberofelectronicsystemsand“convenience”consumersinvehicles,suchaspowerwindows,seatheatingandsafetyfeatures,isplacingevergreaterdemandsontheelectricalenergysupply.Dependingontheenginevariantandequipmentfitted,anumberofmodelsthereforecomewithatwo-batteryconceptfeaturingastarterbatteryandabatteryfortheelectricalsystem.Innormaloperation,thestarterbatterysuppliespowertothestarterwhiletheelectricalsystembatteryisresponsibleforpoweringtheelectricalconsumers.Aseparateelectricalsystemcontrolunitpermanentlymonitorsthechargelevelofbothbatteries,andregulatesthewayinwhichtheyprovidereciprocalsupportforoneanotherifonebatteryisrunninglowonenergy.
4MOTION
4MOTIONisVolkswagen’spermanentfour-wheeldrivesystem.
The4MOTIONpermanentfour-wheeldrivesystemfromVolkswagendistributestheengine’spowertoallfourwheelsasrequired.
Onmodelswheretheengineisinstalledlongitudinally,aTorsendifferentialsplitsthedriveforcebetweenthefrontandrearaxles.VehicleswithatransverseenginearefittedwiththeHaldexcoupling.
4MOTIONprovideshighactivesafety,reliabletractiononvirtuallyallsurfacesandoptimumdirectionalstabilityatalltimes,evenincross-winds.Thefactthatitsextrasafetyreservesareavailablepermanentlygivesitaclearedgeoverdriver-operatedfour-wheeldrivesystems.Furthermore,4MOTIONcanbecombinedwithalldynamicscontrolsystemssuchaselectronicstabilisationprogram(ESP),tractioncontrol(ASR),enginedragtorquecontrol(MSR)andelectronicdifferentiallock(EDL).
Alsosee
∙4XMOTION
∙HaldexCoupling
∙ActiveSafety
∙ElectronicStabilisationProgram(ESP)
4XMOTION
4XMOTIONistheelectronicallycontrolledpermanentfour-wheeldrivesystemintheTouareg.Thepermanentfour-wheeldrivesystemisthebasisforitsextraordinaryoff-roadcapability.TheTouaregfeaturesalockablecentredifferentialwithamulti-plateclutchandlow-rangegear.Innormaloperation,powerdistributionbetweenthefrontandrearaxlesissmoothlyadjustedasafunctionoftheamountofslip.Inaddition,thecentredifferentialcanbelockedtoproduceafixeddistributionratioofthedrivetorque.Thelow-rangegearratio(2.69:
1)forheavy-dutyoff-roaddrivingcanbeselectedelectricallyusingthechassiscontrolswitch.ThisprovidesmaximumdriveforceatlowvehiclespeedsandenablestheTouaregtotacklegradientsassteepas100percent(45°).Ifrequired,4XMOTIONcanadditionallybeorderedwitharear-axledifferentialthatproducesa100percentlockingeffectbetweentherearwheels.Thedifferentiallock(100percent)isactivatedmanuallyatthedriver’scommand.Thecross-axlelockisalsoautomaticallyactivatedaccordingtothesituationencounteredtoimprovetractionanddrivingdynamics.
Alsosee
∙4MOTION
∙CentreDifferential
6-SpeedDSGGearbox
DSGgearboxescomprisetwoindependentgearboxunits.Astheymovethroughthegears,thedual-clutchmechanismallowstheenginetoengagewitheachofthetwogearboxesinturnviatwodriveshafts.Thedual-clutchgearboxpermitsanautomaticgearchangewithnointerruptioninpowerflow.
Thegearboxiscontrolledviaamechatronicsmodule,whichhousestheelectroniccontrolunit,varioussensorsaswellasthehydrauliccontrolelementsinasinglecompactunit.
TheDSGdual-clutchgearboxfeaturestwodrivingprograms:
normalmodeandsportmode.InSportmode,theDSGholdsontothegearsforlonger,aswellasshiftingdownearlierasnecessary.
However,gearchangescanalsobemademanually.Tiptronicswitchesonthemultifunctionsteeringwheelmakethisactionparticularlysporty.Operationoftheclutchisalwaysfullyautomatic,however.
The6-speedDSGissuitedtohigher-poweredengineswithtorquesofover250Nm.Thedualclutchconsistsoftwomulti-plateclutchesrunninginanoilbath.
The7-speedDSGgearboxcomesintwodifferentversions:
∙Forsmallerengines:
themaximumtorqueis250Nm.Inthisinstancethedualclutchisdry-running,withoutanoilbath.
∙Forenginessubjectedtohigherloads:
themaximumtorqueis600Nm.ThisDSGisthereforedesignedtocopewithhightorques.
7-SpeedDSGGearbox
DSGgearboxescomprisetwoindependentgearboxunits.Astheymovethroughthegears,thedual-clutchmechanismallowstheenginetoengagewitheachofthetwogearboxesinturnviatwodriveshafts.Thedual-clutchgearboxpermitsanautomaticgearchangewithnointerruptioninpowerflow.
Thegearboxiscontrolledviaamechatronicsmodule,whichhousestheelectroniccontrolunit,varioussensorsaswellasthehydrauliccontrolelementsinasinglecompactunit.
TheDSGdual-clutchgearboxfeaturestwodrivingprograms:
normalmodeandsportmode.InSportmode,theDSGholdsontothegearsforlonger,aswellasshiftingdownearlierasnecessary.
However,gearchangescanalsobemademanually.Tiptronicswitchesonthemultifunctionsteeringwheelmakethisactionparticularlysporty.Operationoftheclutchisalwaysfullyautomatic,however.
The6-speedDSGissuitedtohigher-poweredengineswithtorquesofover250Nm.Thedualclutchconsistsoftwomulti-plateclutchesrunninginanoilbath.
The7-speedDSGgearboxcomesintwodifferentversions:
∙Forsmallerengines:
themaximumtorqueis250Nm.Inthisinstancethedualclutchisdry-running,withoutanoilbath.
∙Forenginessubjectedtohigherloads:
themaximumtorqueis600Nm.ThisDSGisthereforedesignedtocopewithhightorques.
ABS
Whenthedriverbrakeshardonaslipperyroadsurface,theanti-lockbrakingsystempreventsthewheelsfromlocking,sothatthevehiclecanstillbesteered.
Whenthewheelslockup,theyarenolongerabletotransmitcorneringforces,meaningthatthedriverlosescontrolofthevehicle.Topreventthisfromhappening,theABScontrolunituseswheelspeedsensorstomonitortherotationalspeedofeachwheel.Ifitdetectsthatawheelisabouttolock,asolenoidvalveintheanti-lockbrakingsystem’scontrolunitreducesthebrakepressureappliedatthewheelinquestionuntilitstartstorotatefreelyagain.Thepressureissubsequentlyincreasedtothelock-upthresholdoncemore.Thevehicleremainsstableandsteerable.
ThisprocessisrepeatedseveraltimespersecondinallVolkswagenmodels.Thedrivercantellwhentheanti-lock
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