A mathematical model including the suspension and tire parameters is developed for analyzing the automotive interior noises caused by road irregularity excitation in this paper.
本文建立了因路面不平度随机激励所产生的车内噪声的数学模型。
The research results will be very helpful for the improvement of suspension vibration isolation characteristics under road irregularity excitation, and for the design of rubber bushings.
研究结论对于改善悬架系统的隔振特性和悬架橡胶元件的设计有一定的工程指导意义。
Considering the influence of the input disturbance, a mathematical description of road surface irregularity is established, which is the model of integral white noise and inspire with sine wave.
同时，考虑到路面扰动输入对悬架控制的重要影响，建立出积分白噪声形式的路面不平度数学模型及正弦激励模型。
In this paper, the Monte Carlo method which only samples the phase is used to produce road surface irregularity.
本文提出了一种用蒙特卡罗法对路面不平度函数进行抽样的方法，只对相位随机抽样。
Rigid-Elastic Coupled Model of full vehicle, Acoustical-Structure Interaction Model of car body and Irregularity model of road are built using the technique of Virtual Proving Ground.
借助于虚拟试验场技术建立了用于车内噪声评价的整车刚弹耦合模型、声固耦合车身模型和不平路面模型。
Rigid-Elastic Coupled Model of full vehicle, Acoustical-Structure Interaction Model of car body and Irregularity model of road are built using the technique of Virtual Proving Ground.
借助于虚拟试验场技术建立了用于车内噪声评价的整车刚弹耦合模型、声固耦合车身模型和不平路面模型。
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