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1、AdaptiveCruiseControlACC汽车自适应巡航系统BasicintroductionIngeneral,adaptivecruisesystemconsistsofsensor,thedigitalsignalprocessorandcontrolmodulethreeparts.Iftheuseofhumansinmetaphor,sensorissimilartotheeyes,ears,nose,itisresponsibleforperceptionlimberordefaultofexactlocation,common
2、sensorsonthemarketatpresentradarsensors,infraredbeamandvideocameras.Signalprocessorisresponsibleforthesensorreceivesthedigitalprocessingofinformation,andfinallybythecontrolmoduletocontroltheprocessingthecollectedinformation.Whenjudgingsystemneedtoslowdown,finallybytheABSsyste
3、mforwheelbrakingorgearboxfoundwereused,wouldreducethespeedofthecar.SensorinstallationpositionSensorsonthemarketatpresentbasicallyincludesradarsensors,infraredbeamsensorsandvideocameras.Branddifferentmodelsanditsinstallationpositionisdifferentalso,commoninstallationlocationhas
4、logo,bumper,belowandonbothsidesafterthecarrearviewmirrorbehind.Thecausesofthesedifferencesmainlyvarioussensorprincipleofwork,whichalsoincludethecostofsomefactors,ofcourse.OperatingprincipleBycarfromsensorfeedbacksignal,theACCcontrolunitcanbejudgedintermsofobjectsclosetotheveh
5、iclespeedroadconditions,andcontrolofthevehicledrivingstate;Throughthefeedbacktypeacceleratorpedalperceptionofdriverforceexertedonthepedal,theACCcontrolunitcandecidewhethertoimplementthecruisecontrol,inordertoreducethefatigueofthedriver.Adaptivecruisecontrolsystemmakestheforma
6、tionofvehicledrivingeasier.TheACCcontrolunitcanbesetautomaticallytrackedvehicles,whenthedefaultoffollowingdrivingvehicles,theACCcontrolunitcanadjustthespeedforthecarandthesame,atthesametime,stability,andtheneardistancecanbethroughthesteeringwheelcontrolleverontheSettingsbutto
7、ntochooseAdaptivecruisecontrolsystemgenerallywhenthespeedisgreaterthan25km/htobeeffective,butwhenreducedto25km/hthefollowingspeed,youneedadriverformanualcontrol.Throughthesystemsoftwareupgrade,adaptivecruisecontrolsystemcanrealizethe"stop/start"function,tocopewithdrivinginthe
8、cityoffrequentstopandstart.Thisextensionfunctionofadaptivecruisecont