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汽车防抱死制动系统的控制算法及仿真研究(3)

发布时间:2021-06-06   来源:未知    
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汽车防抱死制动系统的控制算法及仿真研究

Anti—lockbrakingsystem(ABS)isamaintechnologytoimprovethevehicleactivesafety.Withtheenhancementoftravelingspeedandincreasingofdensityofvehicle

aflow,andandABSisproducinganddevelopingundertheconditionoftherequirementofhigher

higherperformanceoftravelingsafety.

ourInthisthesis,thedevelopmenthistoryandtheresearchanddevelopmentstatuein

countryaresummarized.Thestructure

processandcontrolandworkingprincipleareintroduced.Andthecontrolmethodsusedatpresentarecomparedandanalyzed.

Thevehiclemathematicmodelsofbrakingbehavior,includingwholevehiclemodel,

aresemi—vehiclemodelandquartervehicle

brakingissetup.Andtheloadonthewheelswhilevehicleanalyzed.Themagicformulatiremodelandthedoublelinearmodelaregiven.ThequartervehiclesimulationmodelissetupunderMatlab/Simulinkenvironment.

Thebasictheoryoffuzzycontrolmethodisintroducedin

controldetail.ThePIDcontrol,fuzzyandself-adaptivefuzzyPIDcontrolmethodRreputforward.Thesimulationiscarried

areoutbyusingthequartervehiclemodelandthecontrolmethods.Thesimulationresults

acomparedand

effecttoanalyzed.Theresultshowsthatthecontrolmethodshavegetwellcontrolanti-lockbrakingsystem

Keywords:anti—lockbrakingsystem,

simulationvehiclemathematicmodel,controlarithmetic,

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