Hierarchical control for distributed drive electric vehicles based on four-wheel steering

被引：0
|
作者：
Jing C. [1 ]
Song Y. [2 ]
Luo S. [3 ]
机构：
[1] Automotive College, Henan College of Transportation, Zhengzhou
[2] Automobile Research Institute, China Heavy Duty Automobile Group Co. Ltd., Jinan
[3] College of Traffic and Transportation, Chongqing Jiaotong University, Chongqing
来源：
International Journal of Vehicle Noise and Vibration | 2024年 / 19卷 / 3-4期
关键词：
four-wheel driving; four-wheel steering; torque distribution; variable wheelbase; vehicle stability;
D O I：
10.1504/IJVNV.2023.136067
中图分类号：
学科分类号：
摘要：
To improve the flexibility of electric vehicles at low speed, handling performance and yaw stability at high speed, and make full utilisation of the advantages of four-wheel steering. In this paper, a hierarchical control strategy for handling stability based on variable wheelbase reference model is presented. In the upper controller, a stability judgement controller is established to coordinate operation of the four-wheel independent steering system and direct yaw moment control system under various driving conditions. In the low layer controller, an optimal torque allocation strategy is designed to reasonably distribute the braking/driving torque. The results show that the proposed control strategy can improve the flexibility of electric vehicle in a small turning radius, and the yaw stability and handling performance under the extreme conditions. Copyright © 2023 Inderscience Enterprises Ltd.
引用
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页码：212 / 243
页数：31
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