Nonlinear two-dimensional modeling of a McPherson suspension for kinematics and dynamics simulation

Jorge Hurel, A. Mandow, A. García-Cerezo
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引用次数: 27

Abstract

This paper proposes a systematic and comprehensive development of a nonlinear two-dimensional mathematical quarter-car model of the McPherson suspension. The model considers not only vertical motion of the sprung mass (chassis) but also rotation and translation for the unsprung mass (wheel assembly). Furthermore, this model includes the wheel mass and its inertia moment about the longitudinal axis. This work improves the conventional quarter-car model by incorporating both the suspension geometry and the tyre lateral stiffness, which allows analyzing variations in kinematic parameters, such as camber angle and track width. Besides, the paper offers an implementation of the model using Matlab-Simulink, whose dynamics and kinematics have been validated against a realistic two-dimensional model developed with the Adams View program.
McPherson悬架的非线性二维建模及其运动学和动力学仿真
本文系统、全面地建立了麦弗逊悬架的二维非线性四分之一小车数学模型。该模型不仅考虑了簧载质量(底盘)的垂直运动,而且考虑了非簧载质量(车轮总成)的旋转和平移。此外,该模型还考虑了车轮质量及其绕轴转动惯量。这项工作通过将悬架几何形状和轮胎横向刚度结合起来,改进了传统的四分之一车模型,从而可以分析运动学参数的变化,如弧度角和轨道宽度。此外,本文还利用Matlab-Simulink对该模型进行了实现,并与Adams View程序开发的真实二维模型进行了动力学和运动学验证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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