4WD电动汽车转速闭环控制  

Closed-Loop Control of Rotation Speed of 4WD Electric Vehicle

作　　者：卓桂荣[1] 余卓平[1] 陈惠[1] 陈辛波[1] 

机构地区：[1]同济大学

出　　处：《汽车技术》2004年第12期18-22,共5页Automobile Technology

基　　金：国家科技部863燃料电池汽车重大专项子课题"四轮驱动电动汽车关键技术的研究"(2003AA501000-4);中国博士后基金资助(2003033322)

摘　　要：研究了4WD电动汽车的转速闭环控制。提出了模型跟踪2自由度转速闭环控制策略和基于观测器的车速估算方法。介绍了该控制方法的基本原理及实现技术。通过轮毂电机加载试验台的硬件在回路仿真、9自由度整车模型弯道制动及分离系数路面仿真,验证了该控制方法的有效性。Closed-loop control of rotation speed of4WD electric vehicle is studied.The closed loop control strategy by model tracking2-freedom rotation speed and the sight-based velocity estimation method are introduced.The basic principle and realization technology of the control method are introduced.By simulation of hardware circuit of the test rig loaded by hub electric motors,simulation of turning braking of a9-DOF vehicle model and separation factor road surface,the validity of the control method is verified.

关 键 词：电动汽车 4WD 驱动防滑 横摆力矩控制 

分 类 号：U469.72[机械工程—车辆工程]