基于门限值控制的单轮ABS控制器仿真设计
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摘要
针对传统ABS系统控制逻辑复杂,且实际开发中不同车型的门限值不匹配,开发周期长等问题,提出一种兼容各种车型参数的门限值调试仿真系统。系统基于两自由度的单轮动力学模型,以及Dugoff的轮胎滑移率与路面附着系数关系模型,结合门限值控制算法,确定滑移率区间并采用MATLAB的m语言来编写仿真程序。最后,针对某款车型的参数进行了仿真实验,实验结果表明,门限值控制算法能很好地将车轮滑移率控制在最佳滑移率附近,具有较好的控制精度及鲁棒性。
Aiming at the complexity of the traditional ABS system control logic,the mismatch of different vehicle models in the actual development and the long development cycle,a threshold debugging simulation system compatible with various vehicle parameters was proposed.The system is based on a two-degree-of-freedom single-wheel dynamics model,and Dugoff's relationship between tire slip ratio and road surface adhesion coefficient.Combined with the threshold control algorithm,the slip ratio interval was determined and the simulation program was written using m language of MATLAB.Finally,the simulation experiments were carried out on the parameters of a certain model.The experimental results showed that the threshold control algorithm could control the wheel slip rate near the optimal slip rate,and had better control precision and robustness.
Aiming at the complexity of the traditional ABS system control logic,the mismatch of different vehicle models in the actual development and the long development cycle,a threshold debugging simulation system compatible with various vehicle parameters was proposed.The system is based on a two-degree-of-freedom single-wheel dynamics model,and Dugoff's relationship between tire slip ratio and road surface adhesion coefficient.Combined with the threshold control algorithm,the slip ratio interval was determined and the simulation program was written using m language of MATLAB.Finally,the simulation experiments were carried out on the parameters of a certain model.The experimental results showed that the threshold control algorithm could control the wheel slip rate near the optimal slip rate,and had better control precision and robustness.
引文
[1]Jeremy Broughton,Chris Baughan.The effectiveness ofantilock braking systems in reducing accidents inGreat-Britain[J].Accident Analysis and Prevention,2002,5(34):201-237.
[2]杨超.基于模糊控制的ABS联合仿真研究[D].武汉:武汉理工大学,2012.
[3]张云清,熊小阳,陈伟,等.基于车轮减速度及滑移率的ABS联合仿真研究[J].系统仿真学报,2008(08):2171-2176.
[4]Jeonghoon Song.Performance evaluation of a hybridelectric brake system with a sliding mode controller[J].Mechatronics,2005,15(03):339-358.
[2]杨超.基于模糊控制的ABS联合仿真研究[D].武汉:武汉理工大学,2012.
[3]张云清,熊小阳,陈伟,等.基于车轮减速度及滑移率的ABS联合仿真研究[J].系统仿真学报,2008(08):2171-2176.
[4]Jeonghoon Song.Performance evaluation of a hybridelectric brake system with a sliding mode controller[J].Mechatronics,2005,15(03):339-358.