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首页> 外文期刊>日本機械学会論文集. C編 >An Active Suspension System of Quarter Car Models Using Sliding Mode Controller (Design of Controller Using Minimum-Order Observer)
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An Active Suspension System of Quarter Car Models Using Sliding Mode Controller (Design of Controller Using Minimum-Order Observer)

机译:基于滑模控制器的四分之一车模型主动悬架系统(使用最小顺序观测器的控制器设计)

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摘要

This paper is concerned with the design of an active suspension system of quarter car models using the theory of sliding mode control. The model is described by a nonlinear system with two degrees of freedom excited by an unknown input from road surface. In the previous report, the proposed control for the active suspension was constructed as a sum of LQ control and nonlinear switching control based on a reduced linear system with one degree of freedom, and the improved performance by the proposed method was experimentally shown in a small-scaled model. The present report proposes an active suspension system based on the original nonlinear system using a minimum-order observer for estimating the unknown input from a road profile. The experimental results indicate that the proposed method is much improved in the suspension performance.
机译:本文涉及使用滑模控制理论的四分之一汽车模型主动悬架系统的设计。该模型由具有两个自由度的非线性系统描述,该自由度由来自路面的未知输入激发。在先前的报告中,基于具有一自由度的简化线性系统,将主动悬架的拟议控制构造为LQ控制和非线性切换控制的总和,并在小范围内通过实验显示了拟议方法的改进性能比例模型。本报告提出了一种基于原始非线性系统的主动悬架系统,该系统使用最小阶观测器来估计道路轮廓中的未知输入。实验结果表明,该方法在悬架性能上有很大的提高。

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