汽车列车制动相关英语词汇

SprungMass簧载质量thesprungandunsprungmasses簧载和非簧载质量basedupon建立在什么的基础上wasfoundtobe建立确立（被发现被证实）enhancethereliability增强了可靠性tractor-semitrailer半挂汽车列车Freebodydiagram自由体受力图yawrate侧偏角速度Severalmethodsofevaluationofjackknifing折叠的评价方法simulationresultsarecomparedwithexperimentstovalidatethemodel.使用试验对仿真结果验证。Theresultsofthedisturbanceinputcalculationsindicated,扰动输入的计算结果表明Twononlinearlateralcontrolalgorithms非线性控制算法backsteppingtechnique.倒车技术Inthiscontribution,在本文中areal-timecapabletruckdynamicsmodelispresented,whichcontainsseveralextensionstoastandardvehicledynamicsmodel.ArticulatedVehicle拖车Ayawplanemodelwithlimitedroll-DOFofafive-axletractorsemitrailerisdevelopedtostudytheopen-loopdirectionaldynamicsofthevehicle.一五轴仅限于翻滚自由度的横向仿真平台被建立用于研究开环汽车动力性仿真。ObjectConstraintLanguageTranslatorforBusinessProcessThispaperpresentsamethodologyfortrajectoryplanningandtrackingcontrolofatractorwithasteerabletrailerbasedonthesystem’sdynamicmodel。基于系统动力学模型，本文提出了牵引车带可转向挂车的轨迹规划和轨迹控制方法论。theequationsofmotionforalinearizedtruck-semitrailerwereemployed。半挂汽车列车线性化运动方程被使用。Wefirstconstructednonlinearequationsofmotionforarticulatedvehicleswith8degreesoffreedom.首先建立了半挂汽车列车的8自由度非线性运动模型。controlscheme控制程序Inthispaperanewsteeringcontrolschemefortractorsandsemitrailerscombinationisdeveloped本文建立了半挂汽车列车转向控制程序。Thisresearchwasperformedusingadesignedexperimenttoevaluatethelossofdrysurfacebrakingperformanceandstabilitythatcouldbeassociatedwiththedisablementofspecificbrakepositionsonatractor-semitrailerInvestigationofthebrakeforcedistributionontractor-semitrailercombinations半挂汽车列车制动力分配的研究relayvalves继动阀安全阀减压阀Demonstratetheaccuracyof论证什么的精度underaccelerationfromrest起步加速swayangle横摆角idenotesthei−thtireangularvelocity,i为第i轴车轮角速度。testtrack试验车道servicebrakesystem行车制动系统Brakepressureinairsystems气制动系统的制动压力Brake-pedalposition,制动踏板位置Wheelrotationalspeed车轮转速Testobjectives实验目的lateralacceleration侧向加速度Longitudinalacceleration纵向加速度brake-applicationsignal制动触发信号braking-in-a-turntest弯道制动试验consistsof包含thevehicleisinitiallyplacedinasteady-stateturnofspecifiedspeedandlateralacceleration车辆处于规定车速和侧向加速度下的稳态转向状态vehiclecombinations汽车列车tractor-semitrailer半挂汽车列车angularvelocityofarticulationanglesbetweenadjacentvehicleunits临近车辆单元的铰接角速度thefollowingvariablesshouldbedetermined还应测量如下变量thefirstvehicleunit首车trailingunits拖车ThemeasuringandrecordingequipmentshallbeinaccordancewithISO15037-2.车辆和记录装置应满足ISO15037-2的要求。theambient试验环境Inconductingthebraking-in-a-turntest,在进行开环制动试验时，Theseriesoftestsshouldbeperformedatleastthreetimes.试验应至少进行三次。Priorto在之前Inthisinitialcondition,thevehicleshallbesteeredsuchthatthereferencepointofthevehiclemovesalongthedesiredcircularpath.在初始条件下，车辆的参考点应按照期望的环形路径行驶。thesteeringwheel方向盘转向盘Insuchcases,在该情况下themomentofbrakeactuation制动促动时刻Thebrake-applicationrisetime制动力上升时间（从最小值到最大值）drum(ordisc)brakes鼓（盘）式制动器empiricalmathematicalmodels经验数学模型Thebraketorquemodels,presentedasfunctionsofbrakechamberpressureandapplicationspeed以制动气室压力和施加速度为函数描述的力矩模型relatetorqueoutputtoareal-timedynamicbrakechamberpressuremodelandtiretangentialspeed.将制动力矩和实时轮胎制动压力、轮胎切向速度联系在一起。nonlinearmathematicalmodels非线性数学模型useasystemsmodelingapproachtosimulateapneumaticcommercialheavyvehiclebrakingsystem使用系统方法对气动商用重型车辆制动系统记性仿真。thecurvesrepresentingTbversusPc描述制动气室气压和制动力矩关系的曲线Inpreviousformulationsofthequasi-staticrelationshipoftorquetobrakechamberpressureandspeed,在当前用公式描述的力矩与制动气室压力和速度的准静态关系中，Havepiecewiselinearrelationshipsofbraketorque(Tb)versuschamberpressure制动力矩和气室气压之间有分段的线性关系。linearregression线性回归Withtheassumptionthat基于的假设fittingaTbversusPcrelationshipatasingleapplicationspeed在单一施加速度下拟合力矩和气压的关系modelerrorbeingwithin6%overtheentirerangeofapplicationpressures模型误差Solidlines(withoutsymbols)indicatelinearbrakemodel实线表明线性制动模型Withrespecttospeed关于速度quadraticmodel.二次方程traditionalfirst-orderordinarydifferentialequation典型一阶常微分方程转向轴为线性的（力矩与气压的关系）挂车轴为二次的TheresultsdisplayedinFigures2.3,2.4,and2.5showthatthequadratic/quadratic”modelprovidessuperiorfit,ascomparedtothe“linear/linear”model.图3、4、5所示二次模型的结果显著优于线性模型。制动鼓参数includingdrumbrakesforsteer(15”diameterby4”widedrum–381x102mm),drive,andtraileraxles(bothdrumsat16.5”x7”–419x178mm),and430mm(16.9inch)diameterdiscbrakesforsteeranddriveaxles.atlength详尽地herein此中副词isdirectlyproportionalto成正比Asseeninequation(3.1),如式3.1所示LongitudinalControlofHeavyDutyVehicles:ExperimentEvaluationstepinput阶跃输入TheequationsthatgovernthetorqueresponsedepictedgraphicallyinFigure3.2aregiveninequations(3.3)through(3.5).directionalstabilityandstoppingdistances方向稳定性和停止距离inflationpressure充气压力side-to-side”control.Abs的控制模式之一Brakechamberpressurecontrolexperiencesthreemodes–build(followingPt),hold,ordump–basedontheregimesofwheelslipandcomparisonofvehicleCGwiththetangentialaccelerationofeachsensedwheelposition.三个历程创建保持释放robustalgorithm鲁棒控制tirelockupisimminent车轮即将抱死当车轮的加速度大于车辆的加速度时，就是车轮将要抱死的时刻，制动压力释放。P69arbitraryinputs任意输入信号optimumtrigger最优触发器delaytimestimelag时间滞后Asstatedbefore,如前所述Moresophisticatedalgorithm更为成熟的算法滑行实验coastingtest