外文翻译—俞斌峰

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1、南京航空航天大学金城学院毕业设计（论文）外文文献翻译系部机电工程系专业车辆工程学生姓名俞斌峰学号2010012315指导教师毛建国职称副教授2014年2月AMathematicalModelofDriverSteeringControlIncludingNeuromuscularDynamicsAndrewJ.PickDavidJ.ColeAbstractAmathematicaldrivermodelisintroducedinordertoexplainthedriversteeringbehaviorobservedduringsuccessivedoublelane-chan

2、gemaneuvers.Themodelconsistsofalinearquadraticregulatorpath-followingcontrollercoupledtoaneuromuscularsystem(NMS).TheNMSgeneratesthesteeringwheelangledemandedbythepath-followingcontroller.Themodeldemonstratesthatreflexactionandmusclecocontractionimprovethesteeranglecontrolandthusincreasethepath

3、-followingaccuracy.Musclecocontractiondoesnothavethedestabilizingeffectofreflexaction,butthereisanenergycost.Acostfunctionisusedtocalculateoptimumvaluesofcocontractionthataresimilartothoseobservedintheexperiments.Theobservedreductionincocontractionwithexperienceofthevehicleisexplainedbythedrive

4、rlearningtopredictthesteeringtorquefeedback.Theobservedrobustnessofthepath-followingcontroltounexpectedchangesinsteeringtorquefeedbackarisesfromthereflexactionandcocontractionstiffnessoftheNMS.Thefindingscontributetotheunderstandingofdriver-vehicledynamicinteraction.Furtherworkisplannedtoimprov

5、ethemodel;theaimistoenabletheoptimumdesignofsteeringfeedbackearlyinthevehicledevelopmentprocess.Keywords:driver,steering,neuromuscular,muscle,reflex,torque,vehicle,feedback1IntroductionTheintroductionofdriverassistancetechnologieslikesteerbywireisleadingtoagreaterneedtounderstandthewayinwhichro

6、advehiclesoperateinclosedloopwiththedriver.Mathematicaldrivermodelshavereceivedincreasingattentionrecently,seeRefs.[1–4]forreviewsoftheliterature.Developmentsincludeadaptivebehavior,humancontrolbandwidthlimitation,andtheimproveduseofpathpreviewinformation.Despitethisrecentwork,significantfurthe

7、rprogressisneededbeforesufficientlyrealisticdrivermodelsareavailable[4].Inordertoassessthefullpotentialofnewsteeringtechnologiessuchaselectricpowersteeringandsteerbywire,itisnecessarytounderstandthedynamicinteractionbetweenthevehi