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兵工学报  2012 

高超声速飞行器的动态滑模飞行控制器设计

, PP. 307-312

Keywords: 飞行器控制、导航技术,高超声速飞行器,动态滑模,飞行控制,鲁棒性

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Abstract:

?基于高超声速航空飞行器的纵向动力学,提出了一种基于动态滑模原理的飞行控制器。在将模型进行输入/输出线性化的基础上,构造辅助的滑模变量,求取了滑模控制量,实现了动态滑模控制的两阶段收敛。证明了传统滑模面以及辅助滑模面有限时间内的收敛特性,并给出了控制器参数所满足的条件。该方法对不连续的控制量输出加以积分作用,有效地降低了普通滑模控制器的抖振现象。在33528m高度和马赫数15的平稳巡航条件下的仿真研究表明:与普通滑模控制器相比,动态滑模有效降低了抖振,并且对参数不确定模型具有更好的鲁棒性。

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