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The Nonlinear Controller Design of Generator System with Dynamic Uncertainties

机译:动态不确定发电机系统的非线性控制器设计

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摘要

By combining backstepping techniques and small-gain theorem, a nonlinear controller for generator system with dynamic uncertainties is proposed to make rotor angle and voltage stable. For the high-order model of generator system, the excitation control is designed by the modified backstepping techniques and dynamic uncertainties are controlled by the small-gain method, which render the whole closed-loop system asymptotically stable. Since the controller design is based completely on the nonlinear dynamic system without any linearization, the nonlinear property of the system is used to design the nonlinear robust controller. Simulations have shown the effectiveness of the proposed design method.
机译:通过结合反推技术和小增益定理,提出了一种具有动态不确定性的发电机系统非线性控制器,以使转子角和电压稳定。对于发电机系统的高阶模型,采用改进的反推技术设计了励磁控制,采用小增益方法控制了动态不确定性,使整个闭环系统渐近稳定。由于控制器设计完全基于非线性动态系统而没有任何线性化,因此系统的非线性特性可用于设计非线性鲁棒控制器。仿真表明了所提出的设计方法的有效性。

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