汽車電子轉(zhuǎn)向系統(tǒng)轉(zhuǎn)向執(zhí)行電機的控制研究.pdf

1、分類號：U27；U4610710—20040470㈣㈣㈣㈣Y1528l：i：。芝西猿害夫海碩士學(xué)位論文汽車電子轉(zhuǎn)向系統(tǒng)轉(zhuǎn)向執(zhí)行電機的控制研究導(dǎo)師姓名職稱申請學(xué)位級別論文提交日期學(xué)位授予單位李占鋒郭應(yīng)時教授答辯委員會主席余強教授學(xué)位論文評閱人白拴鎖高工關(guān)家午高工AbstractSteerbyWireSystem(saw)isanewsteeringsystemwhichinsteadthemechanicaltransmissionand

2、conjunctionwithwireandcontrollersbetweenthedriver’SsteeringbehaviorandthewheelsofthevehicleTheintelligentmechanicalandelectrictransferringequipmentsisthecoretechniqueofcontrolofSBWTheequipmentschangetheelectronicsignsoft

3、hedriver’SsteeringcommandsintomechanicalactionsandfeedbackdynamicalinformationtothedriverstillbytheelectronicsignsSoSBWachievestheintelligentsteeringcontr01ThesteeringelectromotoristhepowersourceofSBWItprovidesthesteerin

4、gtorqueforthevehicleBasedonthecharacteristicofthesteeringelectromotor，wecancontrolthevoltageorcurrentofthearmatureSOastocontrolthetorqueofthesteeringelectromotorThisarticleresearchesthecomposingandworkprincipleofSBWbased

5、onwhich，weselectbrushdirectcurrentmotorasthesteeringelectromotorofSBWandstudyitsdriveandcontrolmodeandselectlimitedmonopolePWMasthedrivemodeofthesteeringelectromotorItiseasytoachieveanditcanensureupperprecisionofcontr01B

6、yresearchingonthemodelofSBWweestablishthedynamicsmodelofthesteeringelectromotorandmostlystudythecontrolstrategyofthetorqueofthesteeringelectromotorwhichemphasizesthevoltageandthecurrentPIDclosedloopcontroloftheelectromot

7、orTheresultsofthesimulationindicatethatthecurrentPIDclosedloopcontroloftheelectromotorCallachievethatthecurrentofthesteeringelectromotortrailafterthetargetcurrentexactlywhichsatisfiesthecontrolrequestsofthesteeringelectr

8、omotorAtlast，weestablishthemodelofthetargetcurrentconformedbytheangleofthesteeringwheelandsimulatethemodelofSBWwhichadoptsthecurrentPIDclosedloopcontroloftheelectromotorBycomparingitsresponseoftheyawrateandtheexcursionra

9、teofthecenterofthemassofthevehiclewiththevehicleequippedwithmechanicalsteeringsystem，wevalidatethemodelandprovethecurrentPIDclosedloopcontrolstrategyofthesteeringelectromotorisfeasibleKeywords：steerbywire(SBW)；steeringel