车辆动力学基础符号中英文说明

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1、车辆动力学基础符号中英文说明aTirecorneringstiffnessparameter轮胎侧偏刚度参数bTirecorneringstiffnessparameter轮胎侧偏刚度参数AFrontalareaofavehicle车辆前视面积AfLateralforcecompliancesteercoefficientonthefontaxel后轴侧向力柔顺转向系数ArLateralforcecompliancesteercoefficientontherearaxel前轴侧向力柔顺转向系数axAccelerationinthex-directio

2、nx方向加速度ayAccelerationinthelateraldirectiony方向加速度bLongitudinaldistancefromfrontaxletocenterofgravity前轴到重心的纵向距离cLongitudinaldistancefromcenterofgravitytorearaxle后轴到重心的纵向距离CαCorneringstiffnessofthetireonanaxle一个轴上轮胎的侧偏刚度Cα’Corneringstiffnessofontire一个轮胎的侧偏刚度CCαTirecorneringcoeffici

3、ent轮胎侧偏系数CγTirecamberstiffness轮胎外倾刚度CDAerodynamicdragcoefficient空气阻力系数ChRoadsurfacerollingmomentcoefficient路面滚动阻力系数CLAerodynamicliftcoefficient空气动力升力系数CPMAerodynamicpitchingmomentcoefficient空气动力俯仰力矩系数CRMAerodynamicrollingmomentcoefficient空气动力侧倾力矩系数CYMAerodynamicyawingmomentcoeff

4、icient空气动力横摆力矩系数CsSuspensiondampingcoefficient悬架阻尼系数CSAerodynamicsideforcecoefficient空气动力横向力矩系数CPCenterofpresslocationofaerodynamicsideforce空气动力横向力的压力中心dLateraldistancebetweensteeringaxisandcenteroftirecontractattheground转向轴和轮胎与地面接触中心之间的侧向距离dhDistancefromaxletothehitchpoint车轴至牵引

5、点的距离dnsDistancefromcenterofmasstotheneutralsteerpoint质心至中性转向点的距离DTirediameter轮胎直径DIDynamicindex动态指数DxLineardeceleration直线的减速度DAAerodynamicdragforce空气阻力eHeightofthepivotforan“equivalenttorquearm”Drumbrakegeometryfactor“等效力矩臂”支点高度鼓式制动器几何因素E[y2]Meansquarevibrationresponse均方振动响应fLon

6、gitudinallengthforan“equivalenttorquearm”“等效力矩臂”的纵向长度faWheelhopresonantfrequency(vertical)车轮跳动共振频率（垂直）fnUndampednaturalfrequencyofasuspensionsystem(Hz)悬挂系统无阻尼固有频率（Hz）frRollingresistancecoefficient滚动阻力系数FbBrakingforceVerticaldisturbanceforceonthesprungmass制动力悬挂质量上的垂直干扰力FiImbalanc

7、eforceinatire轮胎的不平衡力FxForceinthex-direction(tractiveforce)x方向的力（牵引力）FxmMaximunbrakeforceonanaxle车轴上的最大制动力FxtTotalforceinthex-directionx方向的合力FyForceinthey-direction(lateralforce)Lateralforceinanaxley方向的力（侧向力）轮胎上的侧向力Fy’Lateralforceinonetire一个轮胎上的侧向力FzForceinthez-direction(vertical

8、force)z方向的力（垂直）FziVerticalforceoninsidetireinat