Multi-objective optimization of active steering system with force and displacement coupled control

被引：0
|
作者：
赵万忠 [1 ,2 ]
孙培坤 [3 ]
刘顺 [3 ]
林逸 [4 ]
机构：
[1] epartment of Vehicle Engineering,Nanjing University of Aeronautics and Astronautics
[2] State Key Laboratory of Mechanical Transmission,Chongqing University
[3] Department of Vehicle Engineering,Nanjing University of Aeronautics and Astronautics
[4] School of Mechanical and Vehicular Engineering,Beijing Institute of Technology
来源：
Journal of Central South University | 2012年 / 19卷 / 04期
基金：
中国国家自然科学基金;
关键词：
vehicle engineering; active steering; electric power steering; multi-objective genetic algorithm;
D O I：
暂无
中图分类号：
U463.4 [转向系统];
学科分类号：
080204 ; 082304 ;
摘要：
A novel active steering system with force and displacement coupled control(the novel AFS system) was introduced,which has functions of both the active steering and electric power steering.Based on the model of the novel AFS system and the vehicle three-degree of freedom system,the concept and quantitative formulas of the novel AFS system steering performance were proposed.The steering road feel and steering portability were set as the optimizing targets with the steering stability and steering portability as the constraint conditions.According to the features of constrained optimization of multi-variable function,a multi-variable genetic algorithm for the system parameter optimization was designed.The simulation results show that based on parametric optimization of the multi-objective genetic algorithm,the novel AFS system can improve the steering road feel,steering portability and steering stability,thus the optimization method can provide a theoretical basis for the design and optimization of the novel AFS system.
引用
收藏
页码：974 / 981
页数：8
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