针对多变量饱和线性系统的时变参考输入跟踪问题，研究了一种组合非线性输出反馈控制器的设计方法。

A new composite nonlinear output feedback controller is proposed to track the time-varying reference inputs for multivariable linear systems with input saturation.

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对端口受控哈密顿系统能量变化和动力学特性进行了分析，采用了分段线性输出反馈对其进行混沌反控制，给出了构造分段线性输出反馈矩阵的方法。

Based on the analysis of energy change and dynamical force characteristics for port control Hamiltom (PCH) system, a method of chaotic anti control is studied via nonlinear output feedback.

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对于离散时间线性系统的输出反馈设计，我们考虑使用预测型降维观测器的积分控制器。

For the output feedback design of discrete-time linear system, we consider the integral controller using prediction type reduced-order observer.

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