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基于验证稳定性的控制算法是否可行,建立了整车7自由度模型和2自由度模型,采用先进的智能控制方法来提高车辆的稳定性。对汽车模型在低附着系数上对转向盘进行阶跃输入和正弦输入工况,并进行了仿真分析,得出结论,有控制器的汽车与未加控制器的汽车相比,汽车的质心侧偏角与横摆角速度的输出稳定状态值减小,提高了车辆的横摆稳定性。
Based on the verification of the stability of the control algorithm is feasible, the establishment of a vehicle 7 degrees of freedom model and 2 degrees of freedom model, the use of advanced intelligent control methods to improve vehicle stability. In the low adhesion coefficient of the automobile model, the steering wheel is steered and sinusoidally inputted and simulated. The conclusion is that compared with the vehicle without controller, the vehicle with centroid side Declination and yaw rate of the output steady state value decreases, increasing the vehicle’s yaw stability.