Integrated Control With DYC and DSS for 4WID Electric Vehicles

被引：30

作者：

Tian, Jie ^{[1
]}

Wang, Qun ^{[1
]}

Ding, Jie ^{[1
]}

Wang, Yaqin ^{[2
]}

Ma, Zheshu ^{[1
]}

机构：

[1] Nanjing Forestry Univ, Coll Automobile & Traff Engn, Nanjing 210037, Jiangsu, Peoples R China

[2] Nanjing Univ Sci & Technol, Sch Mech Engn, ZiJin Coll, Nanjing 210046, Jiangsu, Peoples R China

来源：

IEEE ACCESS | 2019年 / 7卷

关键词：

Differential steering system; four-wheel independent-drive; differential steering vehicle; direct yaw moment; integrated control; DIFFERENTIAL STEERING SYSTEM; DYNAMICS; YAW;

D O I：

10.1109/ACCESS.2019.2937904

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper investigates the front-wheel differential steering system (DSS) for a four-wheel independent-drive (4WID) electric vehicle (EV) with a steer-by-wire (SBW) system in case of the steering failure. The nonlinear dynamic model of differential steering vehicle (DSV) is established and the stability regions at different adhesion coefficients are determined based on the theory of phase plane. The traditional front-wheel steering vehicle is selected as the reference model. The direct yaw moment control (DYC) aiming to restore the vehicle to the stability region, and the DSS control aiming to achieve the normal steering function based on the theory of model reference sliding mode control, are researched and applied to the nonlinear dynamic model successively. The direct yaw moment and differential driving torque of the front-wheel needed for the vehicle stability and DSS are obtained respectively. The simulation results show that the proposed integrated control can simultaneously ensure the differential steering and vehicle stability of the nonlinear vehicle on different adhesion coefficient roads.

引用

页码：124077 / 124086

页数：10

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