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针对一类未知非线性系统 ,提出一种输出反馈控制方法。首先在假设系统状态已知的情况下设计状态反馈控制器 ,实现跟踪性能。然后在系统状态不完全可测的情况下 ,通过设计高增益观测器对系统的状态进行估计 ,实现输出反馈控制器设计。最后证明所设计的输出反馈控制器可获得状态反馈控制器所取得的最大最小问题的跟踪性能
For a class of unknown nonlinear systems, an output feedback control method is proposed. First, we design the state feedback controller under the condition of knowing the system state to realize the tracking performance. Then the state of the system is estimated by designing a high gain observer under the condition that the system state is not completely measurable, so as to realize the output feedback controller design. Finally, it is proved that the designed output feedback controller can obtain the tracking performance of the maximum and minimum problem obtained by the state feedback controller