Study of deflection-slip steering control strategy for electric wheel vehicles

Mingxing Wen; Zhihao Liang; Chao Zhang

doi:10.1117/12.2668025

20 April 2023 Study of deflection-slip steering control strategy for electric wheel vehicles

Mingxing Wen, Zhihao Liang, Chao Zhang

Proceedings Volume 12602, International Conference on Electronic Information Engineering and Computer Science (EIECS 2022); 126021D (2023) https://doi.org/10.1117/12.2668025
Event: International Conference on Electronic Information Engineering and Computer Science (EIECS 2022), 2022, Changchun, China

Abstract

To improve the stability and maneuverability of the vehicle when steering, a joint deflection-slip control strategy is proposed for a 4WD electric wheel vehicle（EWV）model. A vehicle two-track 2-degree-of-freedom dynamics model is established, and a sliding-mode controller based on the isokinetic convergence law is designed with the vehicle's transverse moment as the control target, the transverse target moment is obtained by adjusting the left and right wheel hub motor drive and braking torque, and a combined Carsim/Simulink simulation model is built to complete the simulation verification. The results show that with the application of deflection slip steering, the vehicle steering radius and the mass lateral deflection angle and transverse sway angle generated during steering are reduced, which enhances the steering stability and maneuverability of the vehicle.

Citation Download Citation

Mingxing Wen, Zhihao Liang, and Chao Zhang "Study of deflection-slip steering control strategy for electric wheel vehicles", Proc. SPIE 12602, International Conference on Electronic Information Engineering and Computer Science (EIECS 2022), 126021D (20 April 2023); https://doi.org/10.1117/12.2668025

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