资源描述：
《某轿车动力装置参数的匹配设计英文翻译论文》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、某轿车动力装置参数的匹配设计英文翻译毕业论文1.IntroductionAutomaticandcontinuouslyvariabletransmissionsystemshavebeenexpandingtheirpresenceinpassengervehiclesinrecentyears,whichhasnaturallypromptedactiveresearchonvehiclepowertransmissioncontrolsystems.Themaintopicsincludeshiftcontrolalgorithm(Shin,Hahn,Yi
2、,&Lee,2000a;Zheng,Srinivasan,&Rizzoni,1999;Shin,Hahn,&Lee,2000b),feedbackcontroloftorqueconverterclutchslipsystems(Jauch,1999;Hibino,Osawa,Yamada,Kono,&Tanaka,1996;Hahn&Lee,2000),newhydrauliccircuitsforcontrolperformanceenhancement(Jung,Cho,&Lee,2000),etc.Despitetheextensiveresearche
3、ffortoncontrolalgorithms,itappearsthatthepressureinformationofahydraulicactuatorhasnotbeenfullyutilizedinvehiclepowertransmissioncontrol,largelyduetothehighcostofapressuresensor.Asaresult,mostpracticalcontrollershavebeenlargelybuiltuponthemechanicalsubsystemonly,whileneglectingthedyn
4、amicsofahydraulicactuator.Insteadofdirectlymeasuringthepressureoutputofahydraulicactuator,thispaperproposesanindirectalternativetoestimatethepressureoutput:anobserver-basedapproach.Themainthrustofthispaperisthatthepressureoutputofahydraulicactuatoris‘observable’withtheslipvelocitymea
5、surementofthemechanicalsubsysteminavehiclepowertransmissioncontrolsystem.Inadditiontothereadilyavailableslipvelocitymeasurement,theobserverdesignrequiresthemodelsofhydraulicandmechanicalsubsystemswhoseaccuracydirectlyimpactstheobserverperformance.Themechanicalsubsystemisphysicallymod
6、eledwithrelativeease.Thecomplexityofthehydraulicactuatordynamicsdoesnotallowaphysicalmodelamenabletoobserverdesign.Instead,systemidentificationyieldsasimplifiedempiricalmodelofthehydraulicactuator.Actualobserverdesignfocusesonguaranteeingrobuststabilityagainstparametricvariationsandt
7、orqueestimationerrorsthatareboundtooccurinamechanicalpowertransmissioncontrolsystem.Hardware-in-the-loopsimulationstudiesareconductedtoexaminetheperformanceoftherobustobserver-basedestimatorforthehydraulicactuatorpressure,whichshowstheviabilityoftheproposed38approach.Theoutcomeisarob
8、ustpressuree
