基于变传动比的后轮主动转向控制方法研究

被引:6
作者
邱浩 [1 ,2 ]
雷正保 [1 ]
贺萍 [2 ]
机构
[1] 长沙理工大学汽车与机械学院
[2] 深圳职业技术学院汽车与交通学院
基金
广东省自然科学基金;
关键词
4WS; 操纵稳定性; 横摆角速度; 主动控制; 跟踪控制;
D O I
10.13841/j.cnki.jxsj.2015.01.019
中图分类号
U463.4 [转向系统];
学科分类号
080204 ; 082304 ;
摘要
为了改善汽车的操纵稳定性,获得理想的转向特性,利用四轮独立驱动、四轮独立转向电动汽车转向灵活的优势,提出一种基于后轮主动转向技术的变传动比控制策略。综合考虑了汽车在低速行驶时的操纵响应性能,及高速行驶时的行驶稳定性能,通过变传动比设计期望横摆角速度;采用LQR最优控制方法设计汽车的后轮主动转向控制器,实现对期望横摆角速度的跟踪。仿真结果表明,所提出的控制策略不但提高了汽车在低速下的操纵响应,还增强了汽车在高速行驶时的稳定性能。
引用
收藏
页码:90 / 94
页数:5
相关论文
共 11 条
[1]  
Asymptotic sideslip angle and yaw rate decoupling control in four-wheel steering vehicles. Marino R.,Scalzi S. Vehicle System Dynamics . 2010
[2]  
Stability of4WS vehicle based on side slip zeroing control.Influence of steering system dynamics. Nagai M,Nishizawa Y,Teranishi K. Proceedings of the6th International Pacific Conference on Automotive Engineering . 1991
[3]  
Effects of model complexity on the performance of automated vehicle steering controllers: Model development, validation and comparison. Smith, Dirk E.,Starkey, John M. Vehicle System Dynamics . 1995
[4]  
最优控制[M]. 重庆大学出版社 , 巨永锋,李登峰主编, 2005
[5]   全向驱动电动轮系统研究 [J].
王淑坤 ;
王宏健 ;
吕琼莹 .
机械设计, 2012, 29 (10) :93-96
[6]  
Multi-objective H optimal control for four-wheel steering vehicle based on yaw rate tracking. Lv, H.-M.,Chen, N.,Li, P. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering . 2004
[7]  
Vehicle dynamics and control. Rajamani R. . 2005
[8]  
A novel design of an In-situ Steering for a 4-wheel Independent Steering in a 4-inwheel-motor drive electric vehicle. Qiu H,Liang S,Qi Z,et al. 19th International Conference on Mechatronics and Machine Vision in Practice (M2VIP12) . 2012
[9]  
Robust controller design of four wheel steering systems usingμsynthesis techniques. Gao X M,Brian D M,Robert L T. Proceedings of the 34th IEEE Conference on Decision and Control . 1995
[10]  
Lecture Notes in Computer Science[C]. The First International Conference on Web-Age Information Management,1600