名词解释Adams

1、Adams/car的悬架分析（Suspension Analyses），共提供悬架38种性能。对所有悬架均提供： Aligning Torque - Steer and Camber Compliance /单位回正力矩的转角或外倾角  Camber Angle /外倾角  Caster Angle /后倾角 Dive Braking/Lift Braking /制动点头/制动抬头 Fore-Aft Wheel Center Stiffness /悬架纵向刚度 Front-View Swing Arm Length and Angle /前视图（虚拟）摆臂长度和角度

2、0; Kingpin Inclination Angle /主销内倾角 Lateral Force - Deflection, Steer, and Camber Compliance / Lift/Squat Acceleration /抬头（一般指启动时前悬架抬升，后悬架压缩） Percent Anti-Dive Braking/Percent Anti-Lift Braking /（前悬架）防点头/（后悬架）防抬升 Percent Anti-Lift Acceleration/Percent Anti-Squat Acceleration / Ride Rate /悬架动刚度 Ride

3、Steer /悬架转向性能 Roll Camber Coefficient /侧倾轮倾系数（车身侧倾时车轮侧倾角与车身侧倾角的比值） Roll Caster Coefficient / Roll Center Location /侧倾中心位置 Roll Steer /Ride steer is the slope of the steer angle versus the vertical wheel travel curve. Ride steer is the change in steer angle per unit of wheel center vertical deflectio

4、n due to equal vertical forces at the wheel centers. Positive ride steer implies that the wheels steer to the right, as the wheel centers move upward.引导滚/ /骑牛引导的坡角与垂直轮旅行曲线。骑牛的变化引导单位轮中心垂直偏转角度由于平等在车轮中心垂直力。积极的骑牛意味着车轮正确引导,车轮中心向上移动。 Side-View Angle / The side-view angle is the wheel carrier side-view rot

5、ation angle. It is positive for a clockwise rotation, as seen from the left side of the vehicle.侧视角度/ /侧视角度上轮架侧视旋转角度。是积极的顺时针旋转,从车辆的左侧。 Side-View Swing Arm Length and Angle / The swing arm is an imaginary arm extending from the wheel's side elevation instant center of rotation to the wheel center

6、. For front suspensions, the sign convention is that when the instant center is behind the wheel center, the swing arm has a positive length. For rear suspensions, the sign convention is the opposite: when the instant center is ahead of the wheel center, the swing arm has a positive length. The angl

7、e of the swing arm is the angle it makes to the horizontal. A positive angle for a positive length is when the arm slopes downward from the wheel center. A positive angle for a negative length arm is when the arm slopes upward from the wheel center.侧视摆臂长度和角度上/ /摆臂是一个虚构的手臂从轮子的侧视图即时中心轮的旋转中心。前停业,符号惯例是,

8、当车轮中心,背后的即时中心摆臂有一个积极的长度。后悬架,符号惯例是相反的:当即时中心轮中心之前,摆臂有一个积极的长度。摆臂的角度角度的水平。积极的正面角长度时的手臂向下倾斜轮中心。积极的消极的长臂角度是当手臂轮中心的斜坡向上。 Suspension Roll Rate /悬架侧倾刚度 Toe Angle /前束角 Total Roll Rate /总侧倾刚度 Wheel Rate /悬架刚度对转向悬架还提供： Ackerman /Ackerman is the difference between the left and right wheel steer angles. A positiv

9、e Ackerman indicates that the right wheel is being steered more to the right than to the left.阿克曼/ /阿克曼的区别是左、右轮引导的角度。积极Ackerman指出正确的车轮正在带领比向左向右。 Ackerman Angle / Ackerman angle is the angle whose tangent is the wheel base divided by the turn radius. Ackerman angle is positive for right turns.阿克曼角/ /

10、阿克曼角是角的正切是轴距除以转弯半径。阿克曼角度为右转是积极的。 Ackerman Error / Ackerman error is the difference between the steer angle and the ideal steer angle for Ackerman geometry. Because Adams/Car uses the inside wheel to compute the turn center, the Ackerman error for the inside wheel is zero. For a left turn, the left w

11、heel is the inside wheel and the right wheel is the outside wheel. Conversely, for a right turn, the right wheel is the inside wheel and the left wheel is the outside wheel. Positive Ackerman error indicates the actual steer angle is greater than the ideal steer angle or the actual is steered more t

12、o the right.Ackerman Error / /阿克曼错误引导的角度和阿克曼的理想引导角几何。因为adams/car使用内部轮计算中心,内轮的阿克曼误差为零。左拐,左车轮内侧车轮和轮轮外。相反,右转,右轮内轮和左车轮轮。积极Ackerman错误显示实际的引导角大于理想引导角或实际带领更多的是正确的。 Caster Moment Arm (Mechanical Trail) / Caster moment arm is the distance from the intersection of the kingpin (steer) axis and the road pl

13、ane to the tire contact patch measured along the intersection of the wheel plane and road plane. Caster moment arm is positive when the intersection of the kingpin axis and road plane is forward of the tire contact patch.施法者力臂(机械痕迹)/ /施法者力臂的十字路口的距离是主要人物(引导)轴和飞机轮胎印迹的路测量车轮平面的交集和道路平面。施法者力臂是积极当大王销轴和道路平面

14、交叉口是向前的轮胎印迹。 Ideal Steer Angle / Ideal steer angle is the steer angle in radians that gives Ackerman steer geometry or 100% Ackerman. For Ackerman steer geometry, the wheel-center axes for all four wheels pass through the turn center. Note that Adams/Car uses the steer angle of the inside wheel to d

15、etermine the turn center for Ackerman geometry. Therefore, the ideal steer angle and the steer angle are equal for the inside wheel. When making a left turn, the left wheel is the inside wheel. Conversely, when making a right turn, the right wheel is the inside wheel. A positive steer angle indicate

16、s a steer to the right.理想引导角/ /理想引导角度引导角的弧度,让阿克曼引导几何或100%阿克曼。阿克曼引导几何,所有四个轮子的wheel-center轴通过中心。注意, Adams/Car使用引导轮内侧角来确定将阿克曼几何中心。因此,理想的引导角度和内轮的控制角相等。时左转,左边轮轮内。相反,当右转,右轮轮内。积极引导角度指出一个正确的引导。 Outside Turn Diameter / Outside turn diameter is the diameter of the circle defined by a vehicle's outside fro

17、nt tire when the vehicle turns at low speeds. Adams/Car determines the circle by the tire's contact patch for a given steer angle. For a left turn, the right front wheel is the outside wheel. For a right turn, the left front wheel is the outside wheel.转外直径/ /转外直径是圆的直径定义为外车辆的前轮胎当车辆在低速。Adams/

18、Car决定了圈轮胎印迹的对于一个给定的控制角度。左转,正确的前面轮轮外。向右转,左前轮轮外。 Percent Ackerman / Percent Ackerman is the ratio of actual Ackerman to ideal Ackerman expressed as a percentage. Percent Ackerman is limited to the range from -999% to 999%. Percent Ackerman is positive when the inside wheel's steer angle is larger

19、than the outside wheel's steer angle.Ackerman百分比/ /阿克曼是实际Ackerman理想的比率百分比阿克曼表示为一个百分比。阿克曼仅限于百分比从-999%到999%不等。Ackerman百分比是积极的内轮的控制角比外面的大轮的控制角。 Scrub Radius / Scrub radius is the distance from the intersection of the kingpin (steer) axis and the road plane to the tire contact patch measured along t

20、he projection of the wheel-center axis into the road plane. Scrub radius is positive when the intersection of the kingpin axis and the road plane is inboard of the tire contact patch.数据/ /擦洗半径的距离十字路口是主要人物(引导)轴和道路平面测量轮胎接触补丁wheel-center轴的投影到路上飞机。擦洗半径时积极大王销轴和道路平面交叉口的内侧的轮胎印迹。 Steer Angle /Roll steer is

21、the change in steer angle per unit change in roll angle, or the slope of the steer-angle-verses-roll-angle curve. Roll steer is positive when for increasing roll angle (left wheel moving up, right wheel moving down) the steer angle increases (wheels steer toward the left).引导角/ /转引导引导角的变化单位横摇角的变化,或st

22、eer-angle-verses-roll-angle曲线的斜率。辊时积极引导增加横摇角(左车轮向上移动,右轮移动)引导的角度增加(车轮引导向左边)。 Steer Axis Offset / The steer axis offset is the shortest distance from the steer (kingpin) axis to the wheel center. The steer axis offset is measured in the plane perpendicular to the steer axis and passing through th

23、e wheel center. The steer axis offset is always positive. The steer axis offset-longitudinal is the component of the steer axis offset along the intersection of the wheel plane with the plane perpendicular to the steer axis and passing through the wheel center. The steer axis offset-longitudina

24、l is positive when the wheel center is forward of the steer axis. The steer axis offset-lateral is the component of the steer axis offset along the projection of the wheel-center axis into the plane perpendicular to the steer axis and passing through the wheel center. The steer axis offset - la

25、teral is positive when the wheel center lies outboard of the steer axis.转向轴偏移/ /转向轴偏移量是最短的距离从引导(主要人物)轴轮中心。转向轴偏移测量平面垂直转向轴,通过车轮中心。转向轴偏移量总是积极的。转向轴的组件是offset-longitudinal转向轴偏移的十字路口轮平面与平面垂直于转向轴通过车轮中心。转向轴偏移量-纵是积极向前的车轮中心时引导轴。转向轴的组件是offset-lateral转向轴偏移wheel-center轴沿投影到平面垂直于转向轴和通过车轮中心。时积极引导轴偏移量横向轮中心转向轴的谎言舷外

26、Turn Radius /转向半径二、悬架分析实例1. 确定分析对象和分析内容（1）本例分析对象：双横臂悬架（Double-Wishbone Suspension）（2）本例分析内容：A baseline parallel wheel travel analysis that moves the assembly vertically through the suspensions rebound-bump travel。2.组建悬架和转向子系统（1）创建前悬架子系统 确认所在工作界面为standard模式； 确定悬架所对应的模板文件； 完成后一顶要save，切记！文件保存在默认的个人文件夹。

27、（2）创建前悬架的装配体 确定悬架所要装配的悬架子系统对应的模板文件； 为上步建立的悬架子系统装配转向系。3. Performing a Baseline Parallel Wheel Travel Analysis（1）定义车辆参数 Simulate Suspension Analysis Set Suspension Parameters 所要设置的参数： Suspension Assembly: my_assembly Tire Model: User Defined Tire Unloaded Radius: 300 /轮胎自由半径 Tire Stiffness: 200 /这个指的是

28、哪个方向的刚度？ Wheel Mass: 10.0 /车轮质量 Sprung Mass: 1400 /簧上质量 CG Height: 300 /车辆质心高度 Wheelbase: 2765 /轴距 Drive Ratio: 100 /前后悬架驱动力之比，前驱100，后驱0 Brake Ratio: 64 /前后制动力分配，%（2）执行Parallel Wheel Travel分析 Simulate Suspension Analysis Parallel Wheel Travel. 所要设置的参数： Suspension Assembly: my_assembly Output Prefix:

29、 baseline / 输出文件名称前缀为baseline _parallel_travel Number of Steps: 15 /从低到高的解算次数 Mode of Simulation: interactive /运行模式 Bump Travel: 100 /上跳行程 Rebound Travel: -100 /下跳行程。此例为负但帮助文件明确只能为正数 Travel Relative To: Wheel Center / 代表轮心，若为 Contact Patch即指轮胎和路面的接触点 Fixed Steer Position: /此选项为可选项，依赖于Steering Input的值，若Stee