交流电源线性二次型重复控制器的设计与分析

2003 IEEE International Symposium on Industrial Electronics ( Cat. No.03TH8692) Pub Date : 2003-06-09 DOI:10.1109/ISIE.2003.1267309

V. Montagner, E. Carati, H. Grundling

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引用次数: 12

摘要

提出了一种适用于不间断电源的离散时间控制器。所提出的技术能够保证良好的稳定裕度，并通过将离散线性二次型调节器与重复控制器相结合来减少最终或周期性扰动的误差。在只考虑输出电压测量的情况下，采用卡尔曼滤波来观察对象状态变量。通过仿真和实验结果对该方案进行了稳定性和性能分析，说明了该方案在不间断电源中的有效性以及在交流电源应用中的适用性。

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Design and analysis of a linear quadratic regulator with repetitive controller for AC power supplies

This paper presents a discrete-time controller for uninterruptible power supplies applications. The proposed technique is able to guarantee good stability margins and to reduce errors from eventual or periodical disturbances through the combination of a discrete linear quadratic regulator with a repetitive controller. A Kalman filter is used to observe the plant state variables, considering only the measurement of the output voltage. Stability and performance analysis are carried out through simulation and experimental results, illustrating the efficiency of the proposed scheme for uninterruptible power supplies as well as its suitability for AC power sources applications.

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2003 IEEE International Symposium on Industrial Electronics ( Cat. No.03TH8692)

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