分布式驱动电动车辆差速控制技术研究

Research on electronic differential control technology for distributed driving electric vehicle

文章对分布式驱动系统的动态特性进行了理论分析,对转向时两驱动轮的差速控制进行了研究,基于数字PID算法设计了满足阿克曼转向原理的差速控制策略。基于Matlab/Simulink和RecurDyn软件构建了分布式驱动电动车辆联合仿真平台,通过连续转弯工况的仿真分析,验证了车辆连续转向时差速控制策略的有效性。

This paper theoretically analyzes the dynamic characteristics of distributed drive systems, researches the differential control of two driving wheels in steering, based on digital PID algorithm, designes a control strategy, the goal of which was that the speed of driving wheels meet Ackerman principle. Based on Matlab/Simulink and RecurDyn, a distributed driving electric vehicle simulation test platform was established. The simulation analysis of continuous turning conditions verifed the effectiveness of the steering differential control strategy.