大功率变流技术Issue(5)：41-44,49,5.
基于转矩分配的电动汽车横摆稳定性控制
Yaw Stability Control of EV based on Torque Distribution
摘要
Abstract
The driving posture and trajectory of four-wheel-drive EV in the process of turning can not track orders of drivers just based on differential control,because the variable factors like road and tyre will cause some instability problems such as overswing,sideslip,oversteering and understeer.In order to solve these instability problems,after analyzing the relations between yaw rate and stability,it proposes direct yaw control strategy based on torque distribution,in-wheel motor is controlled with direct torque control（DTC） to high dynamic traction and conducted the simulation under Matlab/Simulink environment.The simulation result shows that the dynamic optimization of the tire torque distribution can control the vehicle attitude in the best range to ensure stability of the vehicle in the predetermined direction.关键词
电动汽车/横摆角速度/直接转矩控制/四轮驱动/转矩分配Key words
EV/yaw rate/direct torque control/4-wheel drive/torque distribution分类
交通工程引用本文复制引用
丁惜瀛,张钦爽,覃艳丽,苑克臣..基于转矩分配的电动汽车横摆稳定性控制[J].大功率变流技术,2011,(5):41-44,49,5.基金项目
辽宁省自然科学基金资助项目 （）
