According to the national criterion: Method of random input running test and Method of pluse input running test, the virtual road tests on the vehicle ride comfort are designed.

论文按照国家标准设计不同车速下平顺性随机输入及脉冲输入下虚拟行驶试验，并在设计过程中编制了试验所需的路面谱生成程序。

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According to the study, the test result and result of simulation fit to each other quite well, the software of simulation can be used in forecasting and analysing the ride comfort of vehicle.

研究表明，试验结果和仿真具有较好的一致性，仿真软件可以预测和分析汽车的平顺性。

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First, the static model of off-road vehicle is set up according to its structure and test method and specification for ride comfort.

首先根据越野汽车的结构特点和平顺性试验方法建立越野汽车静态模型；

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