This thesis gains a handy and exact testing and analyzing method on vehicle interior noise by designing three different testing means : immobile test , dragging test and road test 设计了三种不同的试验工况：原地试验、拖行试验、道路试验，并用传递函数方法对试验结果进行分析，总结出一种简便准确的分析车内噪声传递路径的实验手段和分析方法。
When the model running on the virtual road , it can show the vertical , lateral and pitching movement of the vehicle body and driver , and the rotation movement of the six wheels , these movements were controlled by model analysis data 汽车模型在虚拟道路试验场中行驶时，能够体现车厢(包括驾驶室)的垂向运动、横向运动和俯仰运动；驾驶员的垂向运动、横向运动和俯仰运动，六个轮胎的旋转运动。
The road tests of this vehicle ' s braking and handling performance have been processed ; it is found the simulation analysis is coherent with the testing data , and the braking and handling performance of this vehicle are well Nj2046越野汽车的操纵稳定性和制动性能的道路试验表明，对该车进行的操纵稳定性和制动性能的仿真分析与试验结果具有较好的一致性，该车具有良好的操纵稳定性和制动性能。
In order to verify the theory , bench test and road test are carried out in which the variable structure control method and the adaptive neural fuzzy control method are used to control the system , the tests results demonstrate the effectiveness of proposed control methods 为了对理论分析进行验证，对汽车电动助力转向系统采用变结构控制方法和模糊控制方法，台架和道路试验结果证明了控制方法的有效性。
The vehicle road data acquisition and processing system based on multi - component wheel force transducer is an important apparatus of the vehicle testing . it is very significant in the road testing , especially for the transmission system and the brake system 以车轮多维力传感器为核心的汽车道路试验数据采集与处理系统是汽车整车试验的重要技术装备，它的研制对汽车传动系统、制动系统的道路试验具有重要意义。
After all , the vehicle road tests about the two different abs systems have been finished . the results shows that the domestic mk20i abs is better than the import abs - d from japan , changan star sc6350 domestic abs system is successful 最后，针对sc6350 “长安之星”的原装abs ? d型和国产mk20iabs系统，进行了大量的有关abs系统的道路试验研究，结果表明，国产化的mk20iabs系统优于日本原装abs - d型系统， sc6350 “长安之星” abs系统成功的进行了的国产化。
By this means , the performance of the shock absorber is improved as well as the quality of suspension system . after tested on the testing equipment and on the road condition matched with the car , outer performance of the double - tube gas hydraulic shock absorber pr ove to be excellent and the indicator diagram are full and smooth . the operation and control of vehicle are also obviously improved . with the improvement of domestic components as well as gas charging equipment and gas charging workmanship , the double - tube hydraulic shock absorber meets domestic market requirements and will have a better prospect 我们对研制的双筒充气液压减振器进行了台架试验和装车道路试验，表明这种减振器具有优良的外特性，其示功图丰满、圆滑，车辆操纵性明显改善。随着我国零部件质量水平的提高，及充气设备、充气工艺的改进，双筒充气液压减振器将有更广阔的发展空间，适合我国的国情。
It includes the research of the test method , the design and construct of the road used in the experiment , the writing of the experiment outline and etc . a well measuring and testing system included some instruments was selected according to the test method introduced in this paper 本文研究了越野汽车差速锁止机构自动控制系统的道路试验方法，主要包括试验方法研究、试验道路的设计和构建，试验大纲的编写等内容。依据本文编写的道路试验方法，选配了合适的测试系统和仪器。
The feasibility and quality of design has been validated , through life - span tests of springs and dampers , evaluation of readability and road tests of complete motorcycle of 16000km . and all these establish firmly foundation for jl125ce motorcycle stepping up to market with superexcellent quality 通过弹簧、阻尼器的寿命试验、操控性评价和整车16000公里道路试验，验证了设计的可行性和设计质量，整车体现出较好的操纵性、乘骑舒适性和良好的道路适应性，为jl125ce车以优良的品质走向市场奠定了坚实的基础。
The analysis of the experimental data indicated that the experimental outline of the system mentioned above was reasonable and had higher maneuverability this outline not only offered basic information to the establishment of the standard about this checking item , but also provided a test method for the research of the difference velocity lock ' s capability 试验数据分析表明，差速锁止机构自动控制系统道路试验大纲合理，可操作性强，为该检测项目的国家标准的制定奠定了基础，也为差速锁的性能研究提供了道路试验方法。
