另外，基于所提出的估计器，本文设计了不依赖非线性系统模型的高阶微分反馈控制器。该控制器稳定性好，鲁棒性强。

Further more, based on the estimator a high order differential feedback controller is designed, which does not rely on the model of the nonlinear system, and has well stability and robustness.

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利用自适应高阶微分反馈控制器实现倒立摆的鲁棒镇定与调节，实现了SISO和MIMO混沌系统控制与同步。

We applied successfully the proposed adaptive HODFC to the inverted pendulum stabilization and regulation, and the SISO and MIMO chaotic system control synchronization.

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