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Random Modeling and Control of Nonlinear Active Suspension

机译:非线性主动悬架的随机建模与控制

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摘要

For a quarter car with nonlinear active suspension in rough road, the problem of random modeling and control is considered. According to the relative motion principle, the influence of rough road can be seen as that force is disturbed by the noise and a random model is constructed. By an appropriate transform, the model is transformed into a lower triangular system, which can be used as backstepping method. Then a controller is designed such that the mean square of the state converges to an arbitrarily small neighborhood of zero by tuning design parameters. The simulation results illustrate the effectiveness of the proposed scheme. Therefore, the active suspension system offers better riding comfort and vehicle handing to the passengers.
机译:对于在崎rough不平的路面上具有非线性主动悬架的四分之一汽车,要考虑随机建模和控制问题。根据相对运动原理,可以看到粗糙路面的影响,即力受到噪声的干扰,并建立了随机模型。通过适当的转换,可以将模型转换为下三角系统,可以用作后推方法。然后设计一个控制器,以便通过调整设计参数将状态的均方收敛到零的任意小邻域。仿真结果说明了该方案的有效性。因此,主动悬架系统为乘客提供了更好的乘坐舒适性和车辆操纵性。

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  • 来源
    《Mathematical Problems in Engineering》 |2017年第6期|4045796.1-4045796.8|共8页
  • 作者单位

    Yantai Univ, Sch Math & Informat Sci, Yantai 264005, Shandong, Peoples R China;

    Yantai Univ, Sch Math & Informat Sci, Yantai 264005, Shandong, Peoples R China;

    Yantai Univ, Sch Math & Informat Sci, Yantai 264005, Shandong, Peoples R China;

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