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首页> 外文期刊>European Journal of Control >Robust Controller Design for Uncertain Nonlinear Systems via Fuzzy Modelling Approach with Application to the Stabilization of Power Systems
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Robust Controller Design for Uncertain Nonlinear Systems via Fuzzy Modelling Approach with Application to the Stabilization of Power Systems

机译:基于模糊建模的不确定非线性系统鲁棒控制器设计及其在电力系统稳定中的应用

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摘要

The robust stabilizing control for nonlinear systems in Takagi-Sugeno fuzzy model with both parameter uncertainties and disturbances is studied in this paper. First, a design method for the stabilizing controllers when only parameter uncertainties exist in the system model is given based on linear matrix inequality technique. Second, a variable structure controller design method for fuzzy systems is presented when there exist both parameter uncertainties and disturbances in the fuzzy model. The proposed theory is applied to the robust stabilizing controller design for the excitation control of power systems. Simulation results show that the transient stability can be improved by using a fuzzy nonlinear controller when there exist both parameter perturbations and external persistent disturbances in the power systems.
机译:研究了具有参数不确定性和干扰性的Takagi-Sugeno模糊模型中非线性系统的鲁棒稳定控制。首先,基于线性矩阵不等式技术,给出了系统模型中仅存在参数不确定性时的稳定控制器的设计方法。其次,提出了在模糊模型中同时存在参数不确定性和扰动的模糊系统变结构控制器设计方法。提出的理论被应用于电力系统励磁控制的鲁棒稳定控制器设计。仿真结果表明,在电力系统中同时存在参数摄动和外部持续扰动的情况下,采用模糊非线性控制器可以提高暂态稳定性。

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