吉林大学学报(工学版) ›› 2018, Vol. 48 ›› Issue (5): 1305-1312.doi: 10.13229/j.cnki.jdxbgxb20170765
• • 下一篇
赵伟强1, 高恪1, 王文彬2
ZHAO Wei-qiang1, GAO Ke1, WANG Wen-bin2
摘要: 基于一种电液耦合转向系统进行商用车中、高速转向行驶失稳预防控制研究,采用转向力矩控制方法,通过主动调整助力使车辆时刻行驶在稳定区内,从而达到预防车辆失稳的目的。简述了电液耦合转向系统结构,进而对利用转向系统预防车辆失稳的可行性进行了说明,并建立了车辆2-DOF参考模型,采用柔性PID与自适应递增算法对线性和非线性两种行驶状态进行单独控制,得到补偿力矩。利用所搭建的电液耦合转向系统硬件在环试验台对提出的控制方法进行验证,结果显示,车辆处于临界失稳状态时电机助力矩与转向轮转角减小,横摆角速度减小,有效保证了车辆时刻行驶在稳定区域内。
中图分类号:
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