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基于重复的准比例共振控制与线性主动干扰排斥控制的主动功率过器控制策略

Yifei Gao1, Liancheng Zhu1, Xiaoyang Wang1

  • 1School of Electrical Engineering, Liaoning University of Technology, Jinzhou, China.

PloS one
|February 20, 2025
PubMed
概括

一个新的控制策略提高了主动功率过器 (APF) 的性能. 具有线性活性干扰排斥控制的重复性准比例共振器 (重复性QPR-LADRC) 增强了波电流跟踪和抑制能力.

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Active Filters01:25

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Active filters are electronic circuits that use operational amplifiers (op-amps), resistors, and capacitors to filter out unwanted frequency components from a signal. A first-order low-pass active filter is designed to pass signals with a frequency lower than a certain cutoff frequency and attenuate frequencies higher than that cutoff frequency. The transfer function for a first-order low-pass active filter is:
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Time-Domain Interpretation of PD Control01:07

Time-Domain Interpretation of PD Control

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Time and frequency -Domain Interpretation of PI Control01:27

Time and frequency -Domain Interpretation of PI Control

Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
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Phase-lead and Phase-lag Controllers01:22

Phase-lead and Phase-lag Controllers

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Frequency-Domain Interpretation of PD Control

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