求助高手,毕业论文将中文摘要翻译成英文

来源：百度知道编辑：UC知道时间：2024/06/17 00:09:47

摘要
近年来，随着人们生活水平的提高，对汽车乘坐舒适性的要求也越来越高。汽车行驶的平顺性和操纵的稳定性已经逐渐成为其在现代市场竞争中夺取优势的一项非常重要的性能指标。本文首先通过建立汽车悬架系统的七自由度整体模型图，运用结构动力学和振动知识推导出系统在正弦激励下的拉格朗日方程，并简化为振动微分方程形式，通过MATLAB编制优化程序，求出系统的复特征值和在特定参数下的响应变化图形。然后，简述现代汽车悬架系统的各种控制方法，模拟仿真出系统在不同的刚度和阻尼下输出响应的图形，通过比较分析，为半主动悬架系统的减振器的阻尼和弹性元件的刚度控制提供根据。最后，得出本文的结论。即，汽车悬架的动力响应和控制分析与刚度和阻尼的变化之间的紧密联系。
关键词：汽车悬架；响应；控制分析

In recent years, with the improvement of people's living standards, the requirements of the car ride comfort is also getting higher and higher. Car travelling on the ride and handling stability has gradually become in the modern market competition to win a very important advantage of the performance indicators. In this paper, through the establishment of the seven car suspension system as a whole model of freedom, the use of structural dynamics and vibration knowledge derived sine incentive system in the Lagrange equation, and to simplify the form of differential equations for the vibration through the optimization of procedures for the preparation of MATLAB , Calculated the value of complex features and specific parameters in response to changes in the graphic. Then, briefly Hyundai Motor suspension system of control, simulation system in a different stiffness and damping of the graphics output response, through a comparative analysis of semi-active suspension system for the sh

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