Multivariable model reference adaptive control of aircraft with asymmetric damage
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摘要: 针对非对称受损的常规布局飞机，对其自适应控制设计方法与适用条件进行了研究.建立了非对称结构受损飞机的非线性模型，详细讨论了模型的线性化过程以及受损造成的纵、横向间动态耦合项；结合常规布局非对称结构受损飞机的物理特性，对多变量模型参考自适应控制器设计的关键条件：关联矩阵和高频增益矩阵顺序主子式符号的不变性做出了证明，确立了该方法在非对称结构受损飞机上应用的理论可行性；通过仿真验证了MRAC（Model Reference Adaptive Control）方法对非对称结构受损飞机控制的有效性.
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关键词:
- 非对称受损飞机 /
- 多变量模型参考自适应控制 /
- 高频增益矩阵 /
- 关联矩阵
Abstract: Some issues in adaptive control of generic aircraft with asymmetric damage and its key conditions were analyzed.A thorough study of modeling, linearized aircraft models and coupling of lateral and longitudinal dynamic was presented. And the detailed proof of the key condition for model reference adaptive control(MRAC): the invariance of the signs of principal minors of the high frequency matrix and the infinite zero structure was performed which demonstrates the theoretical feasibility of MRAC of generic aircraft with asymmetric damage. At last, simulation results were given to illustrate the design and performance of adaptive control systems for aircraft flight control. -
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