电液主动悬架滤波输出反馈控制器的设计及仿真实现

被引:7
作者
张玉春
王良曦
丛华
杨班权
机构
[1] 装甲兵工程学院机械工程系
关键词
主动悬架; 电液作动器; 滤波输出反馈; 非线性建模; PI控制;
D O I
10.19562/j.chinasae.qcgc.2004.03.021
中图分类号
U463.33 [悬挂];
学科分类号
摘要
基于 1/ 2车辆模型和非线性电液作动器 ,提出并详细设计了主动悬架滤波输出反馈控制器。整个主动悬架系统分解为内、外两个回路 ,外回路采用滤波输出反馈控制 ,大幅度衰减了车辆在高低频范围内的起伏和俯仰运动 ,提高了车辆的乘坐舒适性。内回路基于非线性作动器模型 ,采用传统的PI控制器 ,较好地跟踪输出了控制系统需要的作用力。此外 ,还对作动系统的摩擦力进行了详细建模。频域和时域仿真结果演示了主动悬架的良好性能并验证了结论。
引用
收藏
页码:325 / 330
页数:6
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