Dynamic model of an air spring and integration into a vehicle dynamics model

弹簧(装置) 空气悬架 悬挂(拓扑) MATLAB语言 模拟 车辆动力学 工程类 计算机科学 汽车工程 机械工程 数学 同伦 操作系统 纯数学
作者
Fang Chang,Zhen-Hua Lu
出处
期刊:Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering [SAGE Publishing]
卷期号:222 (10): 1813-1825 被引量:31
标识
DOI:10.1243/09544070jauto867
摘要

It is worthwhile to design a more accurate dynamic model for air springs, to investigate the dynamic behaviour of an air spring suspension, and to analyse and guide the design of vehicles with air spring suspensions. In this study, a dynamic model of air spring was established, considering the heat transfer process of the air springs. Two different types of air spring were tested, and the experimental results verified the effectiveness of the air spring model compared with the traditional model. The key factors affecting the computation accuracy were studied and checked by comparing the results of the experiments and simulations. The new dynamic model of the air spring was integrated into the full-vehicle multi-body dynamics model, in order to investigate the air suspension behaviour and vehicle dynamics characteristics. The co-simulation method using ADAMS and MATLAB/Simulink was applied to integration of the air spring model with the full-vehicle multi-body dynamics model.

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