精选优质文档-倾情为你奉上主动悬架LQG最优控制设计吕福麟9摘要:根据汽车行驶性能的要求,建立二自由度的1/4汽车动力学模型,利用最优控制理论对主动悬架的LQG(Linear Quadratic Gaussian)控制器进行设计,运用MATLAB/simulink对模型仿真,对比主动悬架与被动悬架在控制效果上的差别。仿真结果表明,具有LQG控制器的主动悬架可以明显的提高汽车行驶的操稳性能。关键词:主动悬架;LQG控制器;MATLAB/simulink;仿真结果ABSTRACT:According to the requirement of the vehicle driving performance,a 2-degree-of-freedoms 1/4 car dynamic model was build.LQG(Linear Quadratic Gaussian) controller for active suspension was designed with the optimal control law,MATLAB/simulink wa