湖南大学学报（自然科学版）2016，Vol.43Issue(2)：22-27,6.
电动车辆组合式离合器换挡过程优化控制
Shift Process Optimal Control of Combined Clutch in Electric Vehicles
摘要
Abstract
In order to improve the shift quality of electric vehicles equipped with combined clutch plan-etary transmission with two gears,a dynamic model of shift process was established.Longitudinal jerk and friction work were chosen as the comprehensive control targets by considering the changes of the motor torque and the load torque.The linear quadratic optimal control model of combined clutch friction torque was built to realize the optimal control trajectory of clutch oil pressure.Compared with the optimal control under different throttle openings and road slopes,the simulation results have shown that the optimal traj-ectory can effectively improve the shift quality and it is more sensitive to the changes of the motor torque than that of the load torque.关键词
电动车辆/组合式离合器/动力学模型/线性二次型最优控制/换挡品质Key words
electric vehicles/combined clutch/dynamic model/linear quadratic optimal control/shift quality分类
交通工程引用本文复制引用
李军求,陈建文,王宜河,王义政..电动车辆组合式离合器换挡过程优化控制[J].湖南大学学报（自然科学版）,2016,43(2):22-27,6.基金项目
国家自然科学基金资助项目（51475042），National Natural Science Foundation of China （）
