基于滑模變結(jié)構(gòu)控制的電動汽車穩(wěn)定性控制系統(tǒng)研究.pdf

1、山東理工大學(xué)碩士學(xué)位論文基于滑模變結(jié)構(gòu)控制的電動汽車穩(wěn)定性控制系統(tǒng)研究姓名：楊化方申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：李軍偉20090410山東理T大學(xué)碩lj學(xué)位論文AbstractAbstractElectricvehiclestabilitycontrolsystemisanactivesafetytechnologyofvehicleItCanimprovethecontrollabilityandstabilityofve

2、hiclebyrestrainingtheoverturningandunderturningofvehicleThispapergivestheresearchofelectricvehicleturningstabilitycontrolandhardware—in—the—loopsimulation(HILS)testplatformTheobjectoftheresearchisthedual—rearwheelindepen

3、dentdriveelectricvehicleUsingdirectyawmomentcontrolmethod(DYC)，analgorithmbasedonslidingmodevariablestructurecontroltheoryhasbeenproposedtoenhancethehandlingandstabilityofelectricvehiclesTheoverallstructureofthevehicleha

4、ndingandstabilitycontrolhardwareintheloopsimulationtestplatformwasproposedandexperimentswerecarriedoutonthisplatformInthispaperatwodegreeoffreedom(2DOF)dynamicsmodelandaperfectlinearmodelof2DOFwereestablishedonthebasisof

5、theHBPacejkatiremodel(MagicFormula)Sideslipangleandyawratewerechosentobethemaincontrolvariables，thentherelationsbetweenthetwovariablesandstabilitywereanalyzedToimprovetheelectricvehiclestabilitythedirectyawmomentcontrolm

6、ethodwasintroducedtoenhancecurveaccelerating(orbraking)capabilityatlimitingbehaviorUsingsliding—modevariablestructurecontroltheorythreedifferentkindsofstabilitycontrolstrategieshavebeendesigned，theyaresideslipangleslidin

7、gmodevariablestructurecontrol，yawratesliding—modevariablestructurecontrol，combinecontrolofsideslipangleandyawrateIntheMatlab／Simulinksimulationplatform，simulationwasconductedtovalidatetheperformanceofthedesignedcontrolle

8、rbycomparingwithorwithoutcontrollerandwhichcontrolalgorithmsshouldbeappliedindifferentspecificallyvehicleworkingconditions，howthecontrolparametersimpactthecontrolqualityhowtoeliminatevibrationinthesliding—modevariablestr

9、ucturecontroltheoryhavebeendiscussed111evalidityandtherobustnessofthecontrolstrategieswereprovedthroughthesimulationresultsBasedondSPACE，hardwarein—theloopsimulationtestplatformoftheelectricvehiclehandingandstabilitycont

10、rolhasbeendevelopedOnthistestplatform，experimentalstudyfortheelectricvehiclestabilitycontrolsystemdesignedforthispaperWascarriedoutExperimentalresultsshowthatthecontrolalgorithmdesignedinthispaperhasacertainprecisionandp