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A New EPS Control Strategy Based on Feedback of Yaw Rate and Lateral Acceleration

机译:基于横摆率和横向加速度的新的EPS控制策略

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摘要

In this study, a new Electric Power Steering(EPS) control strategy based on feedback of vehicle yaw rate and lateral acceleration was investigated for the improvement of vehicle steering stability and increase of vehicle dynamic performance. An integrated control model based on EPS system model including steering resistance torque and full-car 3 Degree-Of-Freedom (DOF) dynamic model was developed. Various step inputs and sinusoidal inputs were applied to the integrated control model for simulation and the resulting performance was analyzed. In addition,real vehicle test was carried out. The results revealed that the proposed EPS control strategy can provide good performance of stability and controllability of the vehicle, also can reduce the rise time, the adjust time and the overshoot.
机译:在该研究中,研究了基于车辆横摆率和横向加速度反馈的新电力转向(EPS)控制策略,以改善车辆转向稳定性和车辆动态性能的增加。开发了一种基于EPS系统模型的集成控制模型,包括转向阻力扭矩和全车3自由度(DOF)动态模型。将各种步进输入和正弦输入应用于模拟的集成控制模型,并分析了所得性能。此外,进行真正的车辆测试。结果表明,拟议的EPS控制策略可以提供车辆的稳定性和可控性的良好性能,也可以减少上升时间,调整时间和过冲。

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