针对典型电机伺服系统的性能要求，提出一种基于复合非线性反馈(CNF)控制和扩展状态观测器(eso)的控制方案。

A new control scheme was proposed, which combines a composite nonlinear feedback (CNF) control technology with an extended state observer (ESO).

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该方法先考虑输入具有饱和非线性的线性系统一般形式，再通过构造低增益部分、高增益非线性部分及复合非线性控制律三步完成设计。

The normal form of the linear systems with input saturation was considered; and then the control law was designed by constructing low-gain, high-gain and CNF gradually.

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并对装设有svc的两区域四机电力系统进行计算机数字仿真，结果表明基于神经网络逆系统方法设计出的复合非线性控制器可以有效地改善SVC控制性能。

The simulation of the two-area four-machine SVC system verifies that the compound nonlinear controller designed by the proposed method can effectively improve the control ability of SVC system.

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