基于路面附着系数估计的AFS控制策略研究.docx

基于路面附着系数估计的AFS控制策略研究.docx基于路面附着系数估计的AFS控制策略研究摘要:考虑路面附着条件对车辆横摆响应的影响,,采用了无迹卡尔曼滤波观测器观测路面附着系数,并用Carsim-,,验证了所设计的滑模控制器在低附着路面、:主动前轮转向;无迹卡尔曼滤波;路面附着系数;状态观测中图分类号::AControlStrategyofAFSBasedonEstimationofTire-roadFrictionCoefficientZHOUBing1,2,TIANChen2,SONGYitong2,WUXiaojian2(,JilinUniversity,Changchun130025,China;,HunanUniversity,Changsha410082,China)Abstract:Consideringtheimpactoftire-roadfrictioncoefficientontheyawmotionofvehicles,anactivesteeringcontrolstrategybasedontheestimationoftire--timetire-roadfrictioncoefficient,observerwasestablishedbasedontheUnscentedKalmanFiltertheory,andtheco-,aslidingmodecontrollerwasdesignedaddressingthetire-:activefrontsteering;unscentedKalmanfilter;frictioncoefficient;stateobservation?辆的横向稳定性是影响车辆高速安全行驶的一项重要性能,前轮转角、