飞机防滑刹车控制系统LQ最优控制仿真
LQ optimal simulation for aircraft anti-skid brake control system
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摘要: 采用现代控制理论线性二次型(LQ)最优控制理论对飞机自动防滑刹车控制ABS系统进行了深入的分析研究,并利用Matlab最优控制工具箱及Simulink对刹车控制系统进行了仿真,仿真过程综合考虑了飞机机体、机轮轮胎、路面状况、刹车控制装置的特性,以状态空间表达式导出了飞机刹车滑跑的动力学模型,通过调节制动压力来控制机轮的滑移率,使其达到期望值,求出最优反馈矩阵,将反馈矩阵代入仿真模型,最终设计出飞机防滑刹车系统最优鲁棒控制器.Abstract: Linear-Quadratic optimal control technique, Matlab optimal toolbox and Simulink were applied for aircraft anti-skid brake control system, according to aircraft body,tyre,ground and brake device. The dynamic model was given by modern state-space method, optimal state-feedback gain was calculated and the robust controller of aircraft anti-skid brake system was designed.
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