车辆主动悬架LQG控制器的设计与仿真分析-车辆主动悬架LQG 控制器的设计与仿真分析.rar
通过建立1/2 车辆模型和路面输入模型, 应用最优控制理论进行了车辆主动悬架的LQG 控制器的设计, 并在Matlab/Simulink 环境中建立系统模型并进行仿真模拟, 将主、被动悬架的车身加速度、仰俯角加速度、悬架动挠度及车轮动位移4 项指标进行了对比分析。仿真结果表明, 具有LQG 控制器的主动悬架对车辆行驶平顺性和乘坐舒适性的改善有良好的效果。
A 1/2 carmodel and a road input model were established based on the op t im al con t ro l theo ry
w h ich w as u sed to design a LQG controller of automob ile act ive su spen sion. A system sim u lat ion
model based on Matlab/Simulink environm en t w as bu ilt and u sed fo r sim u lat ion. Fou r perfo rm2
ance indexes, body accelerat ion, p itch angle accelerat ion, su spen sion dynam ic t ravel and t ire dyn2
am ic def lect ion, w ere compared. The sim u lat ion resu lt s demon st rated that the act ive su spen sion
w ith a LQG con t ro ller cou ld imp rove au tomob ile riding com fo rt perfo rm ance eno rmou sly.
2021-10-22 14:24:50
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