采用三种方法对汽车动力学参数进行提取。
Adopting three methods to get the dynamics parameters of a car.
建立汽车动力学模型。
建立了垂向汽车动力学模型和道路虚拟输入模型。
The vertical model of vehicle dynamics and the virtual model of road input are deduced.
三轴汽车；汽车动力学；响应；转向特性；侧偏力；
Three axle vehicle; Vehicle dynamics; Response; Steering character; Cornering force;
运用频域法对线性汽车动力学系统的随机响应进行研究。
The method of frequency domain is used to research the random responses of linear system on vehicle dynamics.
汽车动力学稳定性控制（VDC）可以改善汽车在这些极限情况下的操纵性和稳定性。
The handling and the stability can be improved in limit cornering by using the VDC.
首先建立了八自由度的汽车动力学模型，设计了模糊pi控制器和汽车稳定性控制策略。
An 8-dof vehicle dynamics model was established and a fuzzy PI controller and a control strategy of a vehicle stability control system were developed.
通过建立七自由度汽车动力学模型，对汽车座椅平顺性进行了仿真计算，并对座椅刚度、阻尼进行了优化；
Simulating computation of motor vehicle seat riding comfort is carried out and rigidity and damping property of seat optimized by establishing automotive dynamics model of seven degrees of freedom.
论述了电控限滑差速器(ELSD)改善汽车动力学特性的原理，提出了基于提高汽车主动安全性的控制方法。
The application prospect of electric limited slip differential (ELSD) in vehicles and its effect on improving vehicle dynamic characteristics and safety are addressed.
为了实现气压abs的动态仿真，建立了汽车动力学的四个数学模型：整车模型、单轮模型、轮胎模型和制动器模型。
For achieving the dynamic simulation of air ABS, four math models whole vehicle model, single wheel model, tire model and arrester model were built in thesis.
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.
本文提出了一种汽车动力学模型，建立了动力学方程及求解方法，编制了汽车动力学性能计算机仿真程序(ADPCSP)，并给出了应用实例。
This paper proposes an automobile dynamics model, sets up dynamics equations and solving algorithms, develops a corresponding computer simulation program (ADPCSP), and gives some practical examples.
然而，它们的用途一直被限制于一些项目，如改善汽车身体、飞机机身与羽翼的空气动力学的外形，直到最近才有了新的内容。
Until recently, however, their use has been confined to projects such as refining the aerodynamic profiles of car bodies, aircraft fuselages and wings.
伯尼尔说：“它就是一个所有事物的整合——汽车学、空气动力学、发动机、电子学，所有的部分。”
Says Bernier: "It is basically the whole thing together-the car, the aerodynamics, the engine, electronics, all the components."
除非你在空气动力学实验室工作，否则没有人知道汽车在空气的阻力下行驶时，75英里的时速比65英里要多消耗多少能量，事实是这个差距非常大。
Unless you work in an aerodynamic lab, you don't understand how much more energy it takes to push a car through the air at 75 MPH than at 65 MPH, but it's huge.
一些汽车和卡车司机紧随大型卡车之后行驶，利用空气动力学作用减少自身的燃油消耗，但是这种做法是相当危险的。
Some car and lorry drivers try to exploit this aerodynamic effect by tailgating big trucks to reduce their own fuel consumption. But it is exceedingly dangerous.
照宝马的汽车架构主管汉斯·拉特·格贝尔说法，这里大多数诸如鼓捣鼓捣空气动力学或即时泵入冷冻剂这种小改动。
These are mostly "easy things" like fiddling with aerodynamics or pumping coolant "on demand", says Hans Rathgeber, BMW's head of vehicle architecture.
论文首先研究了汽车纵向动力学系统的结构、功能及特征，分析了下层子系统和上层子系统之间的关系。
In this paper, the relationship between substrate system and superstratum system is studied based on analysis of the structure, function and characteristic of vehicle longitude dynamics system.
利用神经网络模式识别能力对输入数据处理辨别，设计合适的控制网络层对汽车纵向动力学系统实施控制；
Then, the neural networks model is applied to identify and process input data, design suitable networks layer for the vehicle longitude dynamics system control.
本文所建模型不仅可用于汽车纵向动力学分析，同时对采用该新型差速器越野车的设计开发有一定的指导意义。
The model built in this paper not only can be used in the analysis of vehicle longitudinal dynamics, but also is helpful to the development of this kind of new type differential.
警犬号超音速喷气式汽车研究团队的首席工程师，马克·查普曼(Mark Chapman)说：“我们在这一年里完成了所有的空气动力学的工作，汽车才能完全稳定在马赫为1.3的速度上。
Mark Chapman, Bloodhound SSC's chief engineer, said: "From all the aerodynamic work we have done this year, the car is completely stable at mach 1.3.
汽车纵向动力学系统控制是实现汽车自动控制的重要组成部分，纵向控制即是汽车行驶方向上的速度控制。
Longitudinal dynamics system control is an important part of automated control of the vehicle. Longitudinal control is the speed control of an automobile on its running way.
通过整车试验数据与相同工况下的仿真结果对比，表明所述模型可以以很好的精度反映汽车在各种工况下的动力学性能。
Comparing the test result and simulation result and simulation result in same maneuver, it is proved that the presented model gets vehicle dynamic performance by simulation in high precision.
地面效应是汽车空气动力学研究的主要难点之一。
The ground effect is one of the main difficulties in road vehicle aerodynamics.
甚至与十年前相比，现代汽车更加轻，更加有力，更加符合空气动力学。
Compared with cars of even ten years ago, modern cars are lighter, more powerful and more aerodynamic.
文章根据汽车系统动力学原理，建立了汽车电动助力转向和主动悬架集成控制的动力学模型。
A model of the integrated dynamic control system of electric power steering (EPS) and active-suspension is set up according to the principle of vehicle system dynamics.
文章根据汽车系统动力学原理，建立了汽车电动助力转向和主动悬架集成控制的动力学模型。
A model of the integrated dynamic control system of electric power steering (EPS) and active-suspension is set up according to the principle of vehicle system dynamics.
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