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李洁,刘耿硕.基于MATLAB的汽车悬架系统仿真研究[J].河北工程大学自然版,2019,36(2):97-100
基于MATLAB的汽车悬架系统仿真研究
Simulation research of automobile suspension system based on MATLAB
投稿时间:2019-04-23  
DOI:10.3969/j.issn.1673-9469.2019.02.022
中文关键词:  主动悬架  MATLAB  车身加速度  PID控制器
英文关键词:Active suspension  MATLAB  Body acceleration  PID control
基金项目:河北省科技厅项目(18212110);邯郸郸市科学技术研究与发展计划项目(1721202044-4);邯郸学院课题(2018101)
作者单位
李洁 邯郸学院 机电学院, 河北 邯郸 056005 
刘耿硕 邯郸学院 机电学院, 河北 邯郸 056005 
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中文摘要:
      悬架作为汽车的关键零件之一,直接决定着汽车乘坐的舒适性和行驶安全性。为了建立汽车悬架系统有效的控制器,实现对悬架系统的有效控制,进而提升车身的稳定性和安全性,以主动悬架为研究对象,建立了两自由度1/4悬架模型,通过受力分析建立了合适的数学模型。并且基于MATLAB/Simulink构建了仿真模型,通过选择车身加速度这个最有效的标准作为控制目标,设计了PID控制器并进行了仿真模拟调控。最后采用试凑法整定参数,经过多次仿真模拟和对比实验结果,得出了PID控制器参数的最佳整定值。
英文摘要:
      As one of the key parts of the automobile, suspension can directly determine the ride comfort and driving safety. In order to establish the effective controller of the automobile suspension system, realize the effective control of the suspension system, and thereby improve the stability and safety of the car body, this paper takes the active suspension as the research object, establishes a two-degree of freedom one-fourth suspension model, and a suitable mathematical model is established by force analysis. In addition, based on MATLAB/Simulink, a simulation model was——is established. By selecting the most effective standard of vehicle body acceleration as the control target, a PID controller was built to carry out simulation regulation. Finally, the parameters are adjusted by trial and error method, and the optimal tuning results of PID controller parameters are obtained through multiple simulation.
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