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Generalized Proportional Integral Tracking Controller for a Single-Phase Multilevel Cascade Inverter: An FPGA Implementation

机译:单相多级串级逆变器的通用比例积分跟踪控制器:一种FPGA实现

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摘要

This paper presents a robust linear generalized proportional integral (GPI) control scheme for the output reference trajectory tracking task on a multilevel single-phase “buck” inverter. The scheme is shown to be robust with respect to arbitrary time-varying load current demands, acting as perturbation inputs to the inverter, and to significant converter parameter variations. The discrete time version of the control scheme is implemented on a field-programmable gate array hardware. Several laboratory robustness tests are performed on the controlled inverter with excellent results.
机译:本文针对多级单相“降压”逆变器的输出参考轨迹跟踪任务,提出了一种鲁棒的线性广义比例积分(GPI)控制方案。相对于任意随时间变化的负载电流需求,该方案具有鲁棒性,可充当逆变器的扰动输入,并可以有效抑制转换器参数的显着变化。控制方案的离散时间版本在现场可编程门阵列硬件上实现。在受控逆变器上进行了几次实验室鲁棒性测试,均获得了出色的结果。

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