Research on the Active Safety Control of the 4WID Vehicle

被引：0
|
作者：
Bi F. [1 ,2 ]
Sun H. [1 ]
Zhang L. [2 ]
Liu L. [1 ]
Wang J. [1 ]
机构：
[1] State Key Laboratory of Engines, Tianjin University, Tianjin
[2] Tianjin Internal Combustion Engine Research Institute, Tianjin
来源：
Tianjin Daxue Xuebao (Ziran Kexue yu Gongcheng Jishu Ban)/Journal of Tianjin University Science and Technology | 2022年 / 55卷 / 02期
关键词：
Acceleration slip regulation; Active front steering; Direct yaw-moment control; Sliding mode control; Vehicle stability control;
D O I：
10.11784/tdxbz202008020
中图分类号：
学科分类号：
摘要：
Relative to the active safety control of 4WID vehicle, a control system is developed based on the integration of active front steering, direct yaw-moment control, and acceleration slip regulation. The control system adopts a hierarchical control structure. The decision layer designs a cooperative controller of yaw rate and sideslip angle based on the sliding mode control theory and vehicle phase plane stability criterion, and it calculates the corrective yaw-moment. Besides, a fuzzy PI controller is designed based on slip ratio threshold to allocate the additional yaw-moment of the active front steering and direct yaw-moment control modules, finally obtaining additional yaw-moment and additional steering angle. The execution layer takes control of the driving/braking torques and steering angle to track the velocity and control slip ratio and vehicle stability. Simulation results show that under the limiting condition of high speed and low-adhesion-coefficient road, an integrated control strategy maintains vehicle stability and provides comprehensive performance superior to single control. © 2022, Editorial Board of Journal of Tianjin University(Science and Technology). All right reserved.
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页码：158 / 165
页数：7
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