线性部分采用改进的线性二次型最优控制器法进行计算，而非线性部分采用自适应增益来更好地适应故障情况。

A modified linear quadratic optimal controller is designed for the linear part, while adaptive gain is used in the nonlinear part for adapting to different control surface damages.

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论述了自适应有源噪声控制器的设计原理及实现方法，给出了通用型自适应有源噪声控制器的硬件结构和软件流程。

Design principle and implementation of an adaptive active noise controller is proposed in this paper. Hardware structure and software flow are given.

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本文对采用继电型自适应律的模型参考自适应控制系统提出了一种新的设计方法，并获得一种降阶自适应控制器。

This paper deals with the design problem of a model reference adaptive control system using relay-type adaptive law. A novel design method is presented and a reduced adaptive controller is obtained.

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