介绍了汽车转向轮侧滑量测量的必要性和基本测量原理，根据其基本原理设计了测量系统的硬件和软件；
The necessary to measure the automobile directive wheel sliding and the theory of measuring are described. The hardware and software of measuring system based on the theory are designed.
前轮摆振是指汽车在平坦的路面上直线行驶时，转向轮以一定的幅度和频率绕主销持续振动的现象。
Front wheel shimmy is the phenomenon that steering wheels vibrate around king-pin axis with a certain amplitude and frequency when the vehicle travels in a straight road.
因此在此类电动汽车的设计中应当充分考虑对变速或转向时各轮的转矩加以控制，以提高操控性能。
Therefore in the process of speed changing or steering, the torque control for each wheel should be taken into consideration to improve the controllability of vehicle.
运用ADAMS软件建立了新型四轮转向（4WS）汽车整车虚拟样机模型。
The virtual prototype model of a new type 4WS vehicle is created with ADAMS software.
本文研究侧偏角有约束条件下，汽车四轮转向控制系统的设计问题。
Four wheels steering control for vehicle with constraints on side slip Angle is studied in this paper.
该方法采用主动转向技术来改变转向轮的转向角度，有效地减少了汽车的侧向加速度，提高了汽车的防侧翻的能力。
The strategy adopts the active steering technique to change the wheel steering Angle, and hence can reduce the lateral acceleration and improve the anti-rollover ability of vehicles.
汽车，特别是全轮驱动汽车，其具有可转向的第一汽车轴与可转向的第二汽车轴。
Vehicle, in particular an all-wheel drive vehicle, with a first steered vehicle axle and a second steered vehicle axle.
结果表明，较之二轮转向汽车，四轮转向汽车能大幅度的提高汽车对方向盘输入的动态响应特性，具有更好的机动性能和稳定性能。
And the results show that four-wheel steering vehicle can improve the dynamic responses to the same steering input. And it has far better handling stability than two-wheel steering vehicle.
从四轮转向汽车的控制角度出发，分别建立了考虑侧风作用的二自由度和三自由度汽车动力学模型，并对其转向响应特性进行了分析。
In the perspective of Four-Wheel-Steering control, 2-dof and 3-dof vehicle dynamic model considering crosswind is established respectively, and vehicle steering response characteristic is analyzed.
本文应用汽车动力学分析软件ADAMS建立了汽车前悬架—转向系统的仿真模型，并采用单轮激振方式对模型的动力学特性进行了仿真分析。
The ADAMS software is used to build the front suspension and steering system model, and simulation analysis on the model is done by means of wheel flouncing.
基于轮胎的立方非线性，结合汽车四轮转向的力学特性，建立汽车四轮转向的非线性模型。
Based on the cubic nonlinear of tire and the mechanical characteristic of 4ws, the nonlinear vehicle 4ws model was established.
基于预瞄驾驶员模型，针对确定性汽车模型，探讨了四轮转向汽车在一类复杂路面上行驶过程中后轮的最优转向控制规律及整车转向特性。
The optimal control laws of 4WS on the complex typical path are studied using driver model of preview follower method based on the certain vehicle model considering roll, yaw and lateral motions.
基于预瞄驾驶员模型，针对确定性汽车模型，探讨了四轮转向汽车在一类复杂路面上行驶过程中后轮的最优转向控制规律及整车转向特性。
The optimal control laws of 4WS on the complex typical path are studied using driver model of preview follower method based on the certain vehicle model considering roll, yaw and lateral motions.
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