飞机俯仰姿态的μ 鲁棒控制

μ Robust Control of Aircraft Pitch Attitude
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    摘要:

    针对飞机飞行条件变化引起的模型不确定性问题,基于μ 控制理论设计鲁棒的俯仰姿态控制系统。根据 干扰抑制原理将俯仰姿态控制系统设计转化为μ 综合的一般框架,将鲁棒性能问题转化为广义系统的鲁棒稳定性问 题。利用D-K 迭代算法求解得到14 阶的μ 控制器,基于平衡截断方法将该控制器成功地降为4 阶。对μ 降阶控制 器进行鲁棒性分析,结果表明μ 控制能兼顾系统的鲁棒稳定性和鲁棒性能。

    Abstract:

    Aiming at the problem of model uncertainty caused by the change of flight conditions, robust pitch attitude control system is designed using μ control theory. The pitch attitude control system design is constructed into the general framework of μ synthesis according to the principle of interference suppression. And the robust performance problem is transformed into robust stability problem of augmented system. Secondly, the D-K iteration algorithm is used to solve the fourteenth-order controller. Then controller is reduced to fourth-order successfully using the balanced truncation model reduction procedure. Lastly, robustness analysis is performed in terms of the reduced-order μ controller. The reduced-order μ controller yields the desired robust stability as well as the robust performance.

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引用本文

李冀鑫.飞机俯仰姿态的μ 鲁棒控制[J].,2011,30(03):51-54.

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  • 收稿日期:2013-01-16
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