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1、附录A.CarABSTechnologyandDevelopmentTrendInthecarbeforetheemergenceofabs,usedcaristheopenloopbrakesystem・Itscharacteristicisthebraketorqueonlyanddriversofthesizeofthemanipulationoftheforce,brakingforcedistributionregulationandthesizeofthebrakesonandtype.Withnow
2、heelthemotionoffeedbacksignalmeasurement,canftknowduringwheelbrakespeedandholdingindeath,caryoumayadjustaccordinglywheelcylinderorthegaschamberofthesizeofthebrakepressure.Soinanemergencybrake,inevitablyappearwheelontheground,holdingindeathdraggedthephenomenon
3、ofsliding.Whenthewheellock,thegroundoftheperformancewaspoor,thelateralattachedcanprovidethelateraladhesionissmall,carbyexternalforceinanyminuteundertheactionofwillappeardirection,easilyhappenedinstabil让yproblemsoftrafficaccidents・Inthewetpavementorsnowandiceo
4、ntheroad,thedirectionofbraketheinstabilityofthephenomenoncanmoreserious,towingItisthroughthebasicfunctionofsensors1wheeleachtransientstateofmotion,andaccordingtothemotioncorrespondinglyadjustthesizeofthebraketorqueintoavoidthewheelsholdingindeath,itisaphenome
5、nonofclosed-loopbrakesystem.Itistheelectroniccontroltechnologyincarsofthemostsuccessfulapplicationproject,oneofautobrakeantilockbrakesystemscanmakethecarinthebrakingmaintainstabilityandshortenthedirectionbrakingdistance,effectivelyimprovethedrivingsafety.CarA
6、BScansayisthemostimportantcarsafetyhistoryofthethreegreatinventions(theothertwoarcairbagwithscatbelt),ABSisalsoothersafetydevice(suchasESPdrivingdynamicstabilitysystemandEBDbrakingforcesbaseddistributionsystem)Becausemoneyspenttoobig,ABSthepracticaluseoftheea
7、rlyrailwayvehicleoraircraft.70s,digitalelectronictechnologyandlargescaleintegratedcircuit,fortherapiddevelopmentofABSsystemlaysafoundationtopracticalapplication.Boschcompanyin1978firstlaunchedthedigitalelectroniccontrolunitofthebrakesystem,andABS2Boschholding
8、deviceintheMercedesBenz,whichopenedonthemodernABSsystemdevelopmentsequenceAlthoughtheBoschABS2ofelectroniccontroldeviceisaseparationofthecomponents,butduetothedigitalelectroniccontroldevi
