EPS与SASS的自校正集成控制仿真及试验研究  

Simulation and Test of the Integrated Adaptive Control of EPS and SASS

作　　者：陈龙[1] 尤妍娴[1] 江浩斌[1] 牛礼民[1] 汪若尘[1] 

机构地区：[1]江苏大学

出　　处：《汽车技术》2008年第5期5-10,共6页Automobile Technology

基　　金：电动汽车主动悬架与助力转向匹配设计及集成控制关键技术项目(BG2004025)

摘　　要：建立了汽车电动助力转向和半主动悬架集成控制的动力学模型,运用自校正控制理论设计了集成控制器。选择极点配置自校正控制,将闭环系统极点移到需要的位置上,并给出适当的控制律。自主开发出集成控制器,并用改进的可调阻尼减振器代替原车减振器,对某车型装车进行道路试验。仿真结果和试验结果验证了模型的正确性,表明该集成控制方法能够改善车辆的行驶平顺性和操纵稳定性。A model of the integrated dynamic control system of electric power steering （EPS）and semi-active suspension system （SASS）is set up.An integrated controller is designed hased on adaptive control.The polar points are selected to configure adaptive control theory,the polar points of closed-loop system are moved to the required position,and the control rules are presented.The integrated controller is developed,and the original shock absorhers are replaced hy the improved shock ahsorhers that can adjust the damping, then the road tests are carried out hased on a car.The simulation and the test results prove validity of the model and indicate that this integrated controller can improve the ride comfort and the handling stability.

关 键 词：电动助力转向 半主动悬架 集成控制 自校正 

分 类 号：U435[交通运输工程—道路与铁道工程]