汽車線控轉(zhuǎn)向系統(tǒng)的研究.pdf

1、武漢理工大學(xué)碩士學(xué)位論文汽車線控轉(zhuǎn)向系統(tǒng)的研究姓名：劉永申請學(xué)位級別：碩士專業(yè)：車輛工程指導(dǎo)教師：何耀華20050601AbstractForthemechanicalconnectionsbetweensteeringwheelandturningvehiclewheelareeliminated(steeringwheelcommunicatewithturningvehiclewheelthroughelectriecontrol

2、signal)Automotivesteer—by—wiresystemgetridoflimitationoftraditionsteersystem，whichcannotonlYdesignforcetransfertraitfreely，butdesignangletransfertraitforveehilesteeringAutomotivesteer—bywiresystemiSaimportantinnovationwh

3、ichbringinfinitydesignspaceandgreatimprovesteercapabi1ityMaincontents：Inchapterone，weintroducethedevelopmentofpowerassiststeersystemandresearchstatus、principle，structure，keyparts，Classificationofsteer—by—wiresystemInchap

4、tertwo，thebasiCstructure，workprincipleandcharacteriStiCofsteer—by—wiresystem&reintroducedwemakeoutanewdrivefeelsimulatorwhichcanprovideenoughdrivefeelforthedrivermicroprocessorhardwaresystemofsteer—by—wiresystem，anti—jam

5、mingandtime—triggertechnologyaretheemphasesofthischapterInchapterthree，steer—by—wiresystemmathematicsmodeliSbuiIdedupandwemakeoutdynamiasequationofsystemBaseontheresearchofsystemmodel，weanalysethecontroldrivefeelandcontr

6、olarithmetieforfrontwheelsteeringofsteer—bywiresystem，improvevehiClestabilitythroughsignalfeedbackcontr01WeworkoutcontrolstrategyfortargetcurrentandinvestigatethecontrolarithmeticAtlast，wecomparethePIDarithmetiCwithFUZZY

7、—PIDcontrolarithmeticInchapterfour，wechoose16bitSCblforcontrolsystemanddesigneverymodulesoftwareofcontrolsystembaseonmodularizationdesignFinally，Chapter5sumsUpabovecontentsProceedtoanalyzeanddiSCUSSforsomeproblemsandthep