On Some Nonlinear Current Controllers for Three-Phase Boost Rectifiers
On Some Nonlinear Current Controllers for Three-Phase Boost Rectifiers
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DOI：
10.1109/tie.2008.2003370
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发表时间：
2009-02
影响因子：
7.7
通讯作者：
A. Gensior;H. Sira-Ramírez;J. Rudolph;Henry Güldner
中科院分区：
文献类型：
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作者：
A. Gensior;H. Sira-Ramírez;J. Rudolph;Henry Güldner
比较了几种基于平坦度的三相三线升压整流器电流控制器。为此，示出了整流器模型的平坦度，并且给出了在有限时间内名义上实现电压调节的轨迹规划算法。主要的焦点在于内环电流控制器。一方面，基于线性化的控制器使用精确反馈线性化，精确前馈线性化，和输入输出线性化进行了讨论。另一方面，两个被动为基础的方法进行了比较。第一种是能量成形和阻尼注入方法，另一种是采用精确跟踪误差动态无源输出反馈。此外，降阶负载观测器，并提出了一种方法，可以防止无效的开关模式。所提出的控制算法进行了测试的切换模型上的仿真。
Several flatness-based current controllers for three-phase three-wire boost rectifiers are compared. For this purpose, the flatness of a rectifier model is shown, and a trajectory planning algorithm that nominally achieves voltage regulation in finite time is given. The main focus lies on the inner loop current controllers. On one hand, linearization-based controllers using exact feedback linearization, exact feedforward linearization, and input-output linearization are discussed. On the other hand, two passivity-based approaches are compared. The first one is the energy shaping and damping injection method, and the other one uses exact tracking error dynamics passive output feedback. Furthermore, a reduced-order load observer is given, and a method that allows the prevention of invalid switching patterns is presented. The presented control algorithms are tested by simulations on a switched model.