摘要
汽车电动转向系统的助力性能直接关系到汽车转向操作的安全 ,笔者以电动转向系统的跟踪性能和对扭矩传感器测量噪声及路面干扰的抑制为控制系统设计的目标 ,将H∞ 控制理论应用于控制系统的设计 ,采用LMI处理方法设计了控制器。计算机仿真结果证实 ,所设计的电动转向系统具有良好的跟踪性能 ,并有效地抑制了扭矩传感器测量噪声和路面激励干扰的影响 。
The assist performance of electric steering system is closely related to the safety of steering operation. The objectives of this study are to enhance the tracking performance of electric steering system, resistance to the influence of road disturbance and torque sensor noise. H ∞ infinity control theory is applied to design the control system, and a H ∞ infinity controller is designed with LMI method. The simulation results prove that electric steering control system designed has a good tracking performance, and can resist the influence of road disturbance and torque sensor noise. The results give a basis for the design of electric steering system.
出处
《中国安全科学学报》
CAS
CSCD
2003年第7期25-28,共4页
China Safety Science Journal
关键词
电动转向系统
助力性能
转向安全
控制理论
汽车
Electric steering system Assist performance Steering safety H ∞ controller
