Research on vehicle stability based on active steering and aerodynamics control

Abstract

Abstract: Aiming at the problem of vehicle instability caused by tire saturation under extreme working conditions, an integrated control strategy based on active aerodynamic control and active rear wheel steering is proposed to improve the stability of vehicles on low-adhesion roads. The control strategy consists of an upper controller and a lower controller. The upper controller uses the two-degree-freedom model of the vehicle to determine the desired dynamic response. While, in the lower controller, a vehicle stability strategy with the coordination of active rear wheel steering and active aerodynamics is proposed. By building the CarSim/Simulink joint simulation model, the effectiveness of the discussed strategy is verified by selecting the double shift line condition and the drift condition. The results show that the designed coordinated control system can reduce the utilization of tires and effectively improve vehicle stability.

Key words: vehicle stability, active rear wheel steering, active aerodynamics, sliding mode control

CLC Number:

U469.696

GAO Wei, YU Wei, DENGZhao-wen, YI Qiang. Research on vehicle stability based on active steering and aerodynamics control[J]. Journal of Lanzhou University of Technology, 2023, 49(5): 59-66.

References

[1] CHUVILIN E,BUKHANOV B,CHEVEREV V,et al.Pneumatically shifted air suspension loading for improved fuel economy benefits[C]//SAE 2016 Commercial Vehicle Engineering Congress.[S.l.]:SAE International,2016.
[2] AHANGARNEJAD A H,MELZI S.Active longitudinal load transfer control for improving vehicle's stability [J].International Journal of Vehicle Performance,2019,5(1):2-17.
[3] 杨康.基于主动气动控制的车辆稳定性控制系统研究 [D].厦门:福州大学,2018.
[4] CORNO M,BOTTELLI S,PANZANI G,et al.Improving high speed road-holding using actively controlled erodynamic surfaces [C]//European Control Conference.[S.l.]:IEEE,2013.
[5] KUREC R,REMER M,PIECHNA J.The influence of different aerodynamic setups on enhancing a sports car's braking [J].International Journal of Mechanical Sciences,2019,164:105140.
[6] HE Y P.Design of an actively controlled aerodynamic wing to increase high-speed vehicle safety [J].SAE Technical Papers,2013,1:0802.
[7] DIBA F,BARARI A,ESMAILZADEH E.Active aerodynamic system to improve the safety and handling of race cars in lane change and wet road maneuvers [C]//ASME International Design Engineering Technical Conferences and Computers Information in Engineering Conference.[S.l.]:ASME,2012.
[8] HAMMAD M,QURESHI K,HE Y P.Safety and lateral dynamics improvement of a race car using active rear wing control [C]//WCX 2019 SAE World Congress Experience.[S.l.]:SAE International,2019.
[9] 邓召文,余伟,余思家,等.赛车空气动力学套件设计与气动特性研究 [J].机械设计,2021,38(8):72-79.
[10] 赵慧勇,梁国才,蔡硕,等.四轮独立驱动电动车直接横摆力矩控制 [J].重庆理工大学学报(自科学),2021,35(9):83-91.
[11] 李韶华,张志达,周军魏.全轮转向非线性重型车辆稳定性集成控制研究 [J].振动与冲,2019,38(9):148-156.
[12] EMIRLER M T,KAHRAMAN K,ŞENTURK M,et al.Lateral stability control of fully electric vehicles [J].International Journal of Automotive Technology,2015,16(2): 317–328.
[13] 冯樱,邓召文,高伟.基于联合仿真的四轮转向汽控制策略研究 [J].重庆交通大学学报(自然科学),2010,29(6):997-1001.
[14] 赵又群,金颖智,季林.基于灰色预测的驾驶员-汽车系统侧翻预测 [J].中国机械工,2018,29(9):1009-1016.
[15] 安部正人.汽车的运动和操纵 [M].陈辛波,译.北京:机械工业出版社,1998:174-177.
[16] 刘启佳,陈思忠.基于LQR的四轮转向汽车控制方法 [J].北京理工大学学报,2014,34(11):1135-1139.
[17] 李伟,王薇薇,徐灏飞.基于状态观测器的LQR四轮转向控制 [J].重庆交通大学学报(自然科学版),2019,38(12):133-139+144.
[18] NAGAI M,NISHIZAWA Y,TERANISHI K.Sability of 4WS vehicle based on side slip zeroing control [C]//Proceedings of the 6th International Pacific Conference on Automotive engineering.[S.l.]:SAE International,1991.
[19] 喻凡,林逸.汽车系统动力学 [M].北京:机械工业出版社,2014:211-300.
[20] 董铸荣,张欣,胡松华,等.基于LQR变传动比控制的4WIS电动车转向控制仿真研究 [J].汽车工业,2017,39(1):79-85.