基于Simulink/Trucksim的四轴分布式电驱动车辆的建模与仿真

Modeling and Simulation of Four Axles Distributed Drive Electric Vehicle Based on Simulink/Trucksim

分析了多轴分布式电驱动车辆的动力学特性,并且根据横摆稳定性的研究需求,基于Matlab/Simulink搭建了分布式电驱动车辆的动力学模型。该模型包括车辆运动模块、转向模块、转速转换模块与电机模块。通过Simulink与Trucksim进行方向盘转角阶跃输入与方向盘转角正弦输入的联合仿真,验证了所搭建的车辆动力学模型的准确性,为后续车辆横摆稳定性的控制策略的研究提供了可靠的仿真平台。

In this paper,the dynamic characteristics of the multi-axis distributed electric drive vehicle are analyzed.According to the research requirements of yaw stability,the dynamic model of distributed electric drive vehicles is built based on Matlab/Simulink.The model includes a vehicle motion module,a steering module,a speed conversion module,and a motor module.The co-simulation of angle step input and angle sine input is carried out by Simulink and Trucksim,which verifies the accuracy of the developed vehicle dynamics model,and provides a reliable simulation platform for the subsequent research of control strategy of vehicle yaw stability.