轮毂电机驱动汽车区域极点配置横向稳定性控制*

doi:10.19562/j.chinasae.qcgc.2019.08.008

Abstract

Abstract: For the opportunities and challenges brought by the distributed drive structure on vehicle dynamics control, how to reliably realize lateral stability control is the key technology. Considering the uncertainty of vehicle parameters, a lateral stability control strategy of an in-wheel-motored electric vehicle based on the regional pole placement is proposed, and the influence of guaranteed weight parameters on control performance is analyzed. In order to make maximum use of the adhesion ability of the road, the yaw moment is generated by the driving forces and braking forces of the in-wheel-motors together and a rule-based torque allocation control strategy is proposed combined with the switch of the driving model. The performance analysis the control system is carried out by numerical simulation and hardware-in-loop simulation. The results show that the proposed upper strategy based on regional pole placement can not only improve vehicle handling stability, but also has strong robustness to the parameter uncertainties such as tire lateral stiffness. At the same time, the lower level strategy can reliably allocate wheel torques on low attachment road

Key words: electric vehicle, in-wheel-motor, lateral stability, regional pole placement, parameter uncertainty

Huang Caixia, Lei Fei, Hu Lin, Zhang Zhiyong. Lateral Stability Control Based on Regional Pole Placementof In-wheel-motored Electric Vehicle[J].Automotive Engineering, 2019, 41(8): 905-914.

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Lateral Stability Control Based on Regional Pole Placementof In-wheel-motored Electric Vehicle

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