Lateral Stability Control of Distributed Drive Electric Vehicle with Mechanical Elastic Wheel

被引：0
|
作者：
Lin F. [1 ]
Cai Y. [1 ]
Zhao Y. [1 ]
Zang L. [2 ]
Wang S. [1 ]
机构：
[1] College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing
[2] School of Automobile and Rail Transportation, Nanjing Institute of Technology, Nanjing
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2022年 / 58卷 / 08期
关键词：
Distributed drive electric vehicle; Lateral stability; Mechanical elastic wheel; Sliding mode control; Torque distribution;
D O I：
10.3901/JME.2022.08.236
中图分类号：
学科分类号：
摘要：
The stability of the vehicle has always been an important issue in vehicle safety research. Vehicle instability usually occurs under extreme conditions such as emergency lane change or obstacle avoidance. Firstly, according to the wheel brush model, a mechanical model of longitudinal and lateral of the mechanical elastic wheel(MEW) is established. Then, in order to ensure the lateral stability of the distributed drive electric vehicle(DDEV) equipped with MEW, an integrated framework is proposed. In order to improve the robustness of the sliding mode controller, a sliding mode controller combines integral and terminal terms is designed at the upper-level controller. The sliding mode controller can improve the lateral stability of the vehicle by obtaining the desired yaw moment. At the lower-level controller, the longitudinal force axial load proportional distribution strategy is used to distribute the torque and the yaw moment. Vehicle dynamic model with MEW brush model is established. The controller framework is verified by Carsim and Matlab/Simulink under emergency simulation conditions. The simulation results show that the controller framework can improve the lateral stability of DDEV with MEW effectively. © 2022 Journal of Mechanical Engineering.
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页码：236 / 243
页数：7
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